The following is the established format for referencing this article:McElwee, P., H. Vũ, G. Võ, and D. Lê. 2022. Patriotism, place, and provisioning: assessing cultural ecosystem services through longitudinal and historical studies in Vietnam. Ecology and Society 27(1):3.
ABSTRACTCultural ecosystem services (CES) provide multiple benefits to people, including experiences, identities, and capabilities through both material and non-material means. There have been few studies of CES in Vietnam, despite a number of historical, religious, cultural, and customary traditions that have long influenced landscape values and management. We aim to identify a range of CES important to respondents in a study site in north-central Vietnam by providing a unique longitudinal view. Over a two-decade period, different ecosystem benefits have been obtained by local households, some of which have been influenced by cultural factors or could be considered CES. These have included material ecosystem services, including agricultural production, local medicinal plants, and culturally relevant craft materials. There are also non-material CES of interest, including those related to sense of place and national identities, spiritual and religious practices, and recreational and aesthetic benefits. However, over time there has been diminishing importance of some material resources as landscapes have changed from a mix of agricultural lands and natural forests to plantation forestry, and social impacts have resulted from increased labor migration, which has diminished sense of place among younger generations. Assessing these changes allows us to explore how CES are not static or pre-given but shift over time and within different contexts.
Cultural ecosystem services (CES) are increasingly recognized as important benefits resulting from how people perceive, value, and use landscapes. The concept was first introduced in the Millennium Ecosystem Assessment (MEA), defining them as the (often intangible) “non-material benefits that people obtain from ecosystems” and outlining examples, ranging from recreational interactions with nature, sense of place, and aesthetic values to health and psychological benefits, learning and education, and spiritual and religious meanings (MEA 2005:58). Since then, the literature on CES has expanded rapidly; reports have delved into the networks and nodes in the growing field (Milcu et al. 2013), measurement principles to make them commensurable with other ecosystem services (Tengberg et al. 2012, Satz et al. 2013), and the relationship between CES and other academic fields (Daniel et al. 2012), among other topics. Cultural ecosystem services are considered an important component of the ways humans positively value their interactions with nature, which can translate into support for environmental policies, economic benefits through tourism and recreation, and direct social benefits like better health and well-being (Gould et al. 2019, Kosanic and Petzold 2020, Roux et al. 2020). Demand for CES is expected to continue to rise in coming decades, and thus is a key area for both researchers and policymakers to pay attention to and understand (Wolff et al. 2015).
How we identify and categorize different CES remains a challenging and active discussion. For example, recent work by the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES) has suggested that the non-material benefits of nature fall into categories of learning and inspiration, including education, knowledge acquisition, and inspiration for art and technological design; physical and psychological experiences, i.e., opportunities for physically and psychologically beneficial activities for healing, relaxation, satisfaction, recreation, leisure, and aesthetic enjoyment; and supporting identities, including religious, spiritual, and social-cohesion experiences, sense of place, purpose, belonging, rootedness, or connectedness, and basis for narratives and myths, rituals, and celebrations (Diaz et al. 2018). The authors point out, however, that these categories are broad and that diverse contexts will generate different classification systems in use locally; in other words, a single classification standard for CES is likely to be difficult. Further, some have argued that many of the concepts lumped into the idea of CES are associated with values, perceptions, and conceptualizations that cannot be well captured in terms like “cultural,” “ecosystem,” or “services” at all, given that these concepts emerge from biases toward anthropocentrism and scientism, rather than more contextual understandings of human-nature relationships (Kirchhoff 2019).
Despite these debates and critiques, most researchers have continued to associate CES with non-material, non-consumptive, and intangible benefits that arise from human interactions with ecosystems (Chan et al. 2012, Fish et al. 2016). For example, Russell et al. (2013) discussed different ways of experiencing nature, including knowing, perceiving, interacting and living with, yet without attention to “using” and “consuming” as possibilities to generate CES. Studies asking respondents to assess different ecosystem services commonly separate out CES from tangible benefits, like water provisioning or food (Pleasant et al. 2014). However, material ecosystem benefits are also strongly shaped by culture and values, and can also generate experiences and capabilities characteristic of CES (Chan et al. 2012, von Heland and Folke 2014, Bryce et al. 2016). For example, anthropologists have long investigated material goods and their uses as unique windows into different cultural and symbolic identities (Appadurai 1988). Material goods, ranging from food to housing to dress, can provide an important mediating role between worlds, are often imbued with symbolic resonance, and are important shapers of subjectivities. Most ecosystem benefits from nature are thus experienced through cultural worldviews and usually co-produced using anthropogenic assets, whether they are material or non-material (Díaz et al. 2018). As an example, production and collection of food within agroecosystems can be shaped by choices for provisioning of culturally preferred meals, shared labor in socio-cultural practices of collection, respect for future generations through seed saving, as well as co-producing reciprocal benefits back to ecosystems through preservation of biological diversity or soil carbon conservation. Thus, it makes sense to consider both material and non-material benefits arising from interacting with or using ecosystems as components of CES (Plieninger et al. 2015).
This approach fits with Fish et al. (2016), who introduced the idea of CES as constituted by interactions in specific places where cultural practices occur, and which result in benefits like identities, experiences, and capabilities. Identities are the ways in which nature helps people understand themselves and their communities; experiences are how events and contacts with ecosystems afford mental or physical benefits; and capabilities are how abilities to understand and do things are enhanced by ecosystems (Fish et al. 2016). This approach emphasizes that it is the underlying values given to nature that are potentially intangible and incommensurable, but that benefits like identities, experiences, and capabilities can derive from both material and non-material sources (Schnegg et al. 2014). This approach is also valuable in pointing out that services, benefits, and values can all change over time, whether due to ecosystem changes, socioeconomic shifts, or transformations in value systems. Thus, a more processual and dynamic interplay between humans and ecosystem services is preferred over seeing services as fixed processes and benefits as only end outcomes (Pröpper and Haupts 2014).
We use a case study in Vietnam to explore these issues and contribute to understanding how CES are shaped in dynamic situations encompassing both material and non-material services. There have been few studies explicitly engaging with CES as a concept in Vietnam, despite the country being a hotspot of biodiversity with long cultural traditions across a range of ethnic and cultural communities. Although many social scientists have pointed out important cultural knowledge and practices around ecosystem management, particularly for ethnic minorities (Condominas 1974, Århem 2009), there is relatively less attention to ethnic Vietnamese communities (known as Kinh) and explicit discussion of key concepts surrounding CES like values, identities, and capabilities. We examine a number of cultural ecosystem benefits in a study site in north-central Vietnam with Kinh villages and provide a unique view through the use of longitudinal data, including participant-observation, interviews, and surveys, with initial research carried out in 2001-2002 and a follow-up visit in 2019. Over this time period, different ecosystem benefits, influenced by cultural factors or impacting cultural preferences and subjectivities, have been enjoyed by local households. These benefits and the values underpinning them have shifted over time, highlighting that studies that pay attention to how and why experiences, identities, and capabilities may evolve and change can help in understanding the processual nature of CES.
For respondents in our study site in the province of Hà Tĩnh, key cultural benefits from ecosystems were both material and non-material, ranging from culturally valuable foods, medicines, and other products, as well as the aesthetic and health values of landscapes. Many respondents also associated such landscapes with concepts of “homeland” and sense of place, and added to these feelings were nationalistic and patriotic symbolism linked to history, particularly around the origin of revolutionary heroes from these areas. Religious and spiritual values were also described by some respondents, especially older generations. However, changes over time have resulted in a diminishing importance of some CES, which have declined in importance as resources have been depleted and values have shifted. Changes in the physical landscape toward plantation forestry and high-yielding agricultural crops has changed perceptions and values in both positive and negative ways. Additionally, high poverty rates in the area have driven families to send household members to work overseas in labor migration; the increasing reliance on remittances from laborers has led to less use of material resources from nearby ecosystems, as well as concerns that younger generations will not have the same sense of place for their homeland. Assessing these changes allows us to explore how CES are not static or pre-given, but shift over time and within contexts.
Cultural ecosystem services (CES) in Vietnam
Overall, there has been little work on CES in Vietnam to date, with only a handful of studies having addressed the topic explicitly (Table 1). Although many other authors have certainly discussed the cultural importance of ecosystem interactions and management in the past, they did not use the framing of CES per se to do so. For example, Indigenous knowledge is one cultural connection to landscape that has been explored in different communities in Vietnam (Nguyễn and Ross 2017, Sơn et al. 2019), but many others remain unstudied. This is particularly true for Kinh communities because existing studies of cultural landscapes and other literatures tend to focus on ethnic minorities and Indigenous peoples (Tekken et al. 2017).
Studies carried out in Vietnam that have drawn on CES concepts and literatures have identified cultural values associated with tourism, such as visiting beaches, walking, and other forms of recreation (Hồ et al. 2018a) as well as cultural services from gardens (Quyên et al. 2017). Some studies have also highlighted spiritual CES, including rituals conducted in important landscapes (Hồ et al. 2018a). There have been some studies of CES in agricultural production and values associated with rural landscapes, as well as concerns about declines in CES as modernization of agriculture has occurred (Berg et al. 2017, Tekken et al. 2017). Most of the work in Vietnam has been focused primarily on the Mekong Delta region, with other culturally important landscapes (mountainous areas, oceans, or islands) receiving less attention.
There are important ecosystem services with cultural dimensions in Vietnam that have been discussed outside of CES frameworks and not using these terms per se. For example, the cultural significance of garden and farm practices has been the subject of several studies (Trình et al. 2003, Vlkova et al 2011, Mohri et al. 2013), and there are ecological or environmental associations with cultural festivals, such as whale worship ceremonies (Parnwell 2013) and with literary traditions (Lê 1999). Vietnam also has a few policies that are somewhat related to CES, although not explicitly. These include participation in the World Heritage Convention, with the designation of eight national sites as important cultural and environmental landscapes, including the Trang An landscape complex designating both cultural and ecological significance (Bùi et al. 2018, Thào and Pulliat 2019). Vietnam also has a nationwide program of payments for ecosystem services, which transfers money from users of services to those who provide them. One of the five main ecosystem services that is eligible for payments includes aesthetic landscape value for tourism enterprises, who are supposed to pay 1-2% of their revenues as payment for environmental services (PES) to local governments, although this only happens in a few selected areas (McElwee et al. 2019). However, beyond this tourism component, the PES program does not incorporate other CES concepts nor attempt to value non-material benefits.
The study was conducted in rural areas of Hà Tĩnh province, approximately 300 km south of the national capital Hanoi (Fig. 1) in a region known as the north-central coast. Hà Tĩnh had an estimated population of nearly 1.5 million people in 2019, and the province has long been considered to be one of the poorest areas of the country. The area is geographically characterized by low coastal plains bordering the East Sea, rising to high mountains separating Vietnam from Laos. Historically forest production has taken place in hills and agriculture in lowlands, and two important national nature reserves, Vũ Quang National Park and Kẻ Gỗ Nature Reserve (KGNR), were demarcated in the 1990s to protect biodiversity; however, much of the forest area even in reserves is heavily disturbed due to past logging. Some 50,000 ha of lands considered “degraded” in the province were converted to acacia plantations between 2000 and 2014 (Lã et al. 2016).
The research was undertaken in five villages located in the Cẩm Xuyên district in the buffer zone of KGNR, a state-designated protected area surrounding the man-made irrigation reservoir known as Lake Kẻ Gỗ. Approximately 40,000 people lived in the buffer zone of the park at the time of the work in 2001, although in reality this created no significant restrictions on land use. The study villages, which were all ethnically Kinh, were chosen to provide a range of dependence on the KGNR, with several villages directly on the border and some farther away. Each village had a total number of households ranging from 75 to 135. Villages usually consisted of a core of houses, surrounded by rice and other crop fields, rising to upland forests at the fringe, some of which were within KGNR boundaries. These areas were used in 2001 for collection of timber, fuelwood, and a variety of non-wood forest products (NWFP), as well as buffalo and cattle grazing. Over time, stricter management of the borders of the KGNR by ranger patrols and interdiction efforts on timber extraction and hunting had reduced use of the park by locals by the year 2019.
Study sample and methods
Villages were originally visited beginning in November 2000 until October 2001 in the first round of research, during which the first author carried out participant observation, focus groups, and key informant interviews. Additionally, a standardized survey was carried out with a random sample of 20% of households on each village’s census rolls (using a random number between 1-10 selected from a hat by the headman to be the first household selected, and then every kth household), for a total of 104 households. Household information collected included size, income, migration status and history, land tenure holdings and access, agricultural production, and local knowledge and use of ecosystems. Checklists of the main categories of ecosystem goods and services used were compiled from focus group meetings that were held prior to the survey in eleven villages total (the five survey villages plus six others in the buffer zone) and used as prompts to aid in memory recall (see McElwee 2008, 2010). More than 300 plant voucher specimens were taken from gardens, fields, and nearby forests and deposited at the Institute of Biogeography’s herbarium in Hanoi and identified by a botanist specializing in central Vietnam.
In July 2019, the first, second, and third authors returned to the area for follow-up work. Out of the original 104 households, 91 were able to be re-interviewed (however, the people originally interviewed were not always available; e.g., sometimes in round two, adult children living in the household of those who had originally been interviewed supplied information). Those who were not able to be interviewed had in most cases moved away or died, while several were unavailable at the time of the resurvey. In the second round of surveys, households were asked about important changes in household economies, land use, and livelihoods in the past two decades. We also added a new set of questions specifically on ecosystem services, including CES, in which households were asked which local ecosystem services were most important and how they perceived use and benefits to have changed over time. There were also open-ended questions allowing respondents to identify key ideas or phrases they associated with “sense of place” and “benefits from nature”. We also conducted key informant interviews with the five village headmen, in which we discussed historical changes in ES use in particular.
For our analysis, we focused on descriptive statistics from the surveys, as well as qualitative information from interviews and focus groups to provide a sense of the breadth of different ways to think about CES across multiple benefits within our study area. Because we are interested in tracking trends (e.g., changes in what CES/ES were used) rather than trying to associate particular variables (such as socioeconomic status) to CES/ES use, we have used a combination of historical, narrative, and descriptive statistic approaches. There was also not much variation in the responses around CES use in the 2019 panel survey questions, therefore we have focused on this analysis of trends over time rather than factors explaining CES use.
There were two broad categories of benefits from nature and landscapes related to CES in Hà Tĩnh that survey respondents and focus group participants enumerated: material and non-material benefits. These categories were derived from the literature because we did not ask respondents to group ES benefits but to simply enumerate those considered most important. Material benefits included food production, medicinal plant use, and craft materials for culturally important items. This list confirmed previous surveys of the area. For example, in a study of the nearby KGNR done by ethnobotanists in 2000, 295 species of plants were recorded, of which interviews revealed 109 medicinal plants, 13 used for crafts and other products, 11 kinds of wild-collected foods, and 42 useful for construction materials (Trần and Phạm 2000). All of the material benefits from provisioning ES also helped shape different experiences, identities, and capabilities. Additional non-material benefits included spiritual and religious beliefs and practices, sense of place and patriotism, and aesthetic and recreational enjoyment of landscapes.
Variation across households in what material benefits they derived from ecosystems correlated with income (both total amounts and sources) and with labor availability in 2001. The first author has published quantitative analysis elsewhere on use of provisioning ecosystem services across income classes and so we do not repeat these findings here (McElwee 2008, 2010). Non-material benefits revealed much less variation because the large majority of households surveyed in 2019 were able to list several CES they obtained from nearby areas and primarily pointed to widespread agreement on broad categories of benefits. However, the uses, understandings, and values associated with different ES have shifted over time (Fig. 2). These changes in ES interactions have arisen in response to environmental changes (both diminishing supplies of some ES as well as new sources of others), governmental policies (such as restrictions on religious practices or collectivization of agriculture), and global economic change (including the rise of overseas labor migration and remittance economies).
Material benefits and cultural ecosystem services (CES)
Cultural preferences for subsistence foods like rice strongly influenced agricultural production in Hà Tĩnh. 94% of all families surveyed in 2001 produced rice, which constituted about one-quarter of the household income, while in 2019, 96% of households still planted rice. Rice growing in north-central Vietnam is challenging given environmental factors (poorer soils, more extreme summer temperatures, and less access to water), which has contributed to lower rice productivity than in the country’s two main deltas in the north and south; local production was around 3600 kg/ha/per crop in 2001, rising to on average 5500 kg/ha/per crop in 2019. However, rice continued to be cultivated because of cultural preferences and values. These values included preferences for rice as the staple basis for most meals (not having rice at a meal was rare) as well as taste preferences for specific local varieties. Despite a nationwide shift to improved rice varieties, particularly high-yielding and hybrid, traditional varieties have remained in use under drought-prone or rainfed conditions; this was the case in the case study area, where 40% of farmers surveyed in 2001 still planted at least one traditional variety because it was seen as more adaptive to local conditions (Fig. 3a). Cúc nhanh, a local variety that could be planted either in the summer-fall crop or as a one-season rainfed crop, was most common.
For many households, rice production conferred a sense of identity, giving a historical continuation with practices of generations past, and interviewees made references to forebearers also being farmers as a reason for why they continued to do so. Rice production also afforded opportunities for social capital building through labor exchanges with neighbors and sharing of rice if needed. For example, 85% of households in 2001 noted that they regularly exchanged labor with neighbors and kin (McElwee 2007). These social ties and exchanges around labor also gave rise to important cultural artifacts, namely poetry and songs that were created and sung while working in fields, and for which this region is well-known. For example, rhyming couplet folk songs known as Ví and Giặm, sung in teams of men and women while sharing labor in rice fields, were recently recognized by UNESCO as important intangible heritage of Vietnam (UNESCO 2014). Many of the songs reference local landscapes and weather in ways both humorous and nostalgic (Đào 1998).
Beside rice production, which took place in fields away from the household compound, all families interviewed had at least a small home garden as a source of supplementary non-rice foods and potential income as well because extra fruit and vegetables could be sold at a nearby market. These gardens were particularly important in the 1970s and 1980s when households worked collective rice fields as part of socialist cooperatives; poor production and unequal shares meant that many households turned to individual home gardens to provide sufficient food to eat. Home gardens surveyed in 2001 usually consisted of an understory of ground crops like potatoes, peanuts, or cassava, surrounded on the edges by fruit and fuelwood trees, which also served as shade. Small plots for vegetables were often located near the kitchen, and often excess given away to neighbors and relatives to confirm social bonds. Most households also had plots for tea bushes, as well as sheds for livestock. This integrated agroforestry system is known in Vietnam as VAC, for Vườn Ao Chuồng (garden, pond, livestock sty) in which inputs into one (e.g., sweet potato vines for pigs) cycle to another part (e.g., animal manure for fertilizing vegetables; Trình et al. 2003). By 2019, households noted that although their gardens remained important for aesthetic reasons and for sharing with neighbors, they were less useful for sources of cash income, which was being supplied more regularly by remittances.
Local landscapes have long supplied sources of traditional medicines, known as thuốc nam (medicine of the south) to distinguish it from traditional Chinese medicine; the thuốc nam pharmacopoeia uses local plants from Vietnam’s more tropical climate. Traditional medicine is a strongly culturally inflected practice and was further conditioned during the wars for Vietnamese independence when Western medicines such as antibiotics were in short supply. In the 1960s onward, people were encouraged to use local plants because they were easy to obtain, and each family was urged to have an assortment of basic plants in their gardens to treat a variety of common ailments (Bùi 1999).
Starting in the 1980s, medicinal plants were collected commercially in the area, due to demand from a pharmacy in Hà Tĩnh city, 40 km away. The pharmacy supplied much of the traditional medicine for the province in the form of thuốc bổ (pre-packaged tonics) as well as the capital, Hanoi. When trade resumed with China after the 1979 war, the Chinese market became the main destination for Hà Tĩnh’s medicinal plants, and many were overharvested in the late 1980s and early 1990s. Some 20% of the families interviewed in 2001 collected wild medicinals in nearby forests or shrublands, some of which were sold to a local medicinal plant cooperative, which in turn sold to the larger urban pharmacy (Fig. 3b). But by 2019, households indicated that wild-collected medicines were nearly depleted, and the local buyer no longer operated. Personal use of traditional medicines still remained important, despite increasing access to Western sources. Most household gardens had small numbers of medicinal plants grown for their healing properties, and households still also occasionally wildcrafted medicinals from nearby forest lands.
Cultural traditions have influenced the collection of material ecosystem benefits, although demands have shifted over time. For example, củ nâu, local name nu, used to be a major commodity of the study area earlier in the 20th century. Prior to the Vietnam War, most peasants made their own clothes, and củ nâu dyed them a deep brown, a culturally favored color; the local area was well-known for producing roots of very high-quality and rich color. Củ nâu (Dioscorea cirrhosa) was originally found in forested areas, and eventually, in the mid-20th century, people began planting wild tubers in their gardens. However, as cotton and linen peasant gowns gave way to Western styles and army uniforms favored by military leaders, the demand for dye dropped, although a number of gardens still had plants growing in 2001.
Another culturally distinctive craft product derived from local forests were palm leaves to make conical hats (known as nón lá). Leaves were harvested from a small palm, Lanonia centralis, known as lá nón, or locally as lá toi, meaning “the covering leaf” (Henderson and Bacon 2011). The palms were found primarily in understory of secondary forests and were harvested year-round, particularly coinciding with slack agricultural seasons. Leaf collecting appealed to many because the leaves were easy to find and collect, requiring only a knife and a bag; the light weight meant that women and children could readily be collectors. In the late 1990s, one woman set up a leaf collecting cooperative to which local collectors could sell by the bundle, which were then trucked in bulk to conical hat-making villages in the north (Fig. 3c). Palm leaf collecting was done by 52% of households in 2001, primarily by women, and contributed up to 20% of the total household income for many families, often used for school fees and supplies for children. Based on figures collected in 2001, around five million leaves were harvested each year from the district for the hat trade. However, this figure had dropped significantly by 2019, because the income from leaf collecting was now considered too marginal to undertake the labor; only 2% of households mentioned still harvesting, and at lower amounts than previously. Households that needed extra income were far more likely to send a family member abroad, particularly youth, as migrant labor (such as to factories in Taiwan and South Korea) than collect low-value forest products.
Non-material benefits and cultural ecosystem services (CES)
In our study site, we noted three major categories of CES benefits that were not tied to material consumption or benefits of ecosystems: sense of place, spirituality and religious practices, and aesthetics, health, and well-being.
Sense of place
Sense of place was an important concept for many households, often expressed through the word quê hương (homeland or native place; Fig. 4a). The concept indicates one’s origin place, often traced back to a paternal ancestor: when meeting people for the first time, people are often asked “what’s your homeland? (quê hương ở đâu?).” In previous decades, a quê hương was where a person was a member of a village roll and paid taxes and registered land, and had family altars commemorating ancestors (Hardy 2003). The concept of quê hương remains particularly tied to rural spaces and landscapes for Kinh people; many people born in Hanoi, for example, will state that their father or grandfather’s rural birthplace is their homeland, even if they’ve never lived there, making a quê hương an important marker of identity (Karis 2013). Many of the well-known folk songs from the north-central region refer to unique elements of life in the landscape, from the feel of rain to smell of soil, helping to create a sense of homeland (Phạm 2018).
In the 2019 survey, we asked respondents to describe how they felt about their local quê hương. Around 80% of respondents agreed with the statement that “they felt pride in their native place,” with the rest responding that it was “just average” or a “struggle to survive” there, in several respondents’ words (Table 2). Those who expressed pride were asked to elaborate on what they thought was distinctive about their homeland, or what they talked about to others. The most numerous answer (from 37% of respondents) was the Lake Kẻ Gỗ area, a man-made reservoir for irrigation, with some mentioning pride in the fact that the lake was constructed by local workers and the army over nearly 4 backbreaking years (1976-9) and completed earlier than scheduled. The labor efforts were reflected in a nationally popular song celebrating the construction called Người đi xây hồ Kẻ Gỗ (The People Who Built Lake Kẻ Gỗ) that was regularly remixed in karaoke and on YouTube videos.
For many respondents, the concepts of “sense of place” and “pride in homeland” were tied up in memories and commemorations of political and revolutionary work, a legacy of Vietnam’s long wars for independence from 1945 onward. Some 23% of respondents mentioned specific memorials for deceased revolutionary leaders, including former national Party Secretary Lê Duẩn (a memorial was constructed in 2017 to him on the edge of Lake Kẻ Gỗ, see Fig. 4c), anti-colonial revolutionary Hà Huy Tập (born in the district and executed by the French in 1941), and Nguyễn Đình Liễn (a founder of the Communist Party of the district executed by the French in 1931). Each of these leaders had a particular place (commemoration site, tomb, or temple) located nearby, and these sites often combined cultural elements (constructed buildings and worship altars) with natural ones (tree groves, bamboo stands, ponds, etc.).
Only 14% of respondents associated solely natural features to their quê hương, ranging from “green trees and yellow leaves” to “regenerating forests” and “birds singing.” Seven percent of respondents mentioned home gardens. Other positive answers included “friendly neighbors” to “improved roads.” The remaining 20% of respondents answered in the negative, in particular that there was nothing to be proud of.
Spirituality and religious cultural ecosystem services (CES)
There were some important CES related to spiritual beliefs and practices linked to landscapes and the environment. Like much of the rest of Vietnam, religion was an eclectic mix of Buddhism, Confucianism, Daoism, and ancestor worship. In the past, each village often had one or more cult committees, which were responsible for rites honoring various village deities (thần thành hoàng) who were selected to serve as protective spirits, ranging from legendary heroes to lowly bandits (Bùi 2000). Some of these guardian spirits were associated with particular landscapes. For example, one study village had a small temple to honor a wandering Chinese trader who had appeared in the area in what was probably the 16th or 17th century, and who was said to have great healing powers and identified many herbal remedies from local plants. Another village had a temple to the founding ancestor (họ tộc) of the village as well as a temple for the worship of Princess Liễu Hạnh, an important figure in the folk religion known as mother goddess worship. Both temples were associated with sacred elements of water and had been built at the head of the Rào Cái river in the beginning of the 19th century (the lower river was dammed to create Lake Kẻ Gỗ). Several other outdoor shrines could be found dotted in various areas around the KGNR for spirit worship, particularly near entrance paths; these shrines were a place to burn incense and leave offerings for spirits, and to ask for their help in avoiding dangers in the forest (such as accidents or diseases).
In addition to communal spirit worship, local cultural practices also involved domestic ancestor worship, which had components associated with the natural environment as well. Ancestor altars were kept inside the home in a propitious location, determined through geomancy (phong thủy, literally wind and water, also known in English as feng shui). Most households also took pains to situate any new home that was built according to correct environmental principles and correct calendar times laid down by a geomancer (thầy địa lý) or fortuneteller (thầy bói). Geomancy was useful in situating houses to take advantage of environmental conditions, such as the practice of orienting doorways to maximize breezes given the absence of air-conditioning. Tomb placement for deceased family members was also guided by geomancy, to ensure a location and alignment that the relative would prefer in their afterlife. A number of households also built a small altar outside, usually consisting of a platform on which a small concrete house sat (Fig. 4b). Tea and rice wine, along with pots of incense sticks, would be offered, as well as flowers that might be in bloom in the home garden, such as hibiscus. This practice was explained as complementary to that of ancestor worship. One’s ancestors were the spirits of the domestic sphere and governed life inside the house; outside spirits should be propitiated with an altar outside the house. These spirits included spirits of the earth (thần đất), of the sky (thần trời), and the spirits of Buddhist personages who wandered the earth. These spirits were often asked for help at the beginning and end of rice seasons, and during times of bad weather and droughts.
Aesthetics, recreation, and health
Other locally valued CES benefits were related to aesthetics. Of the survey respondents in 2019, 96% had positive feelings toward forest landscapes in the area, with many positive comments regarding health, shade, and beauty (Table 2). The few who did not agree about the benefits said they either did not go to forested areas, did not answer, or believed “there’s nothing special about forests.” In another survey question asking households to make comparison to the nearest urban area (a provincial town), 88% of respondents said that they preferred their local village. In general, cities were considered “dirty,” “noisy,” and with few environmental amenities. Those who had positive views felt that cities “have more regulations on trash so they are cleaner now” and “there are things to buy and things to do” there. In an open-ended question allowing participants to discuss their most positive feelings toward local landscapes, households mentioned “more trees,” “fresher air,” “peacefulness,” “more comfortable,” and “better climate” as general answers.
Households also indicated that home gardens served as an important source of aesthetic pleasure, a finding first noted in 2001 that continued in 2019. Many families cultivated ornamental plants, particularly around the house and on the path to the door, to provide color and enjoyment, including dừa cạn (Catharanthus roseus (l.) G. Don), xương (Tradescantia spathacea Sw), dâm bụt (Hibiscus rosa-sinensis L.), and hoa hồng (Rosa spp.). Some families hung wild orchids collected in nearby forests. Homes also often incorporated ponds and other water features both for the practicality of raising fish as well as aesthetic enjoyment and spiritual fulfillment. These gardens were considered an important spot for calm and peacefulness. The aesthetic appreciation of gardens was also related to health and well-being. This part of north-central Vietnam was well known for being extremely hot in summer, as well as prone to drought, and shade was often at a premium. Shade could be acquired through planting fruit trees in the garden around a home, particularly behind the house to cool the inside. Shade was also important along walkways and paths (although as motorbike usage has risen in the past 20 years walking along village lanes was less common in 2019 than it used to be). The presence of afforested acacia hills near villages, which had been planted over the past two decades, were mentioned by respondents as one reason why the area seemed shadier and greener than in the past, and that dust and dirt seemed to have decreased from previous decades (the paving of roads was also attributed).
Drivers of historical change in ecosystem services (ES) benefits
The changes in ES interactions that were observed between the two study periods (and which households discussed in their assessment in 2019 of what had changed most in the past two decades) included shifts in types of ES/CES used, where they were obtained, and how they were valued (monetarily or otherwise). Residents noted in 2019 that both environmental change and social changes contributed to the shifts in CES benefits that were valued at different points in time. Degradation of natural forests both inside and outside the KGNR since the 1990s had led to the loss of medicinal plants for use and sale, as well as declines in overall biodiversity. The expansion of planted forests since 2000, primarily acacia harvested for wood to supply pulp and paper mills, has brought both positive and negative benefits. For many households, the additional income was welcome and was less onerous than previous foraging trips into the natural forests had been. The plantations also provided a greener landscape, more shade, and less dust for many respondents who appreciated the shelterbelt properties. However, other households noted that acacia plantations did not have the same ecological structure as natural forests, with no undergrowth, no diversity of plants (such as medicines or ornamental flowers for enjoyment), and little aesthetic reason to walk there.
The other major factor mentioned as contributing to social changes in the past two decades was the rise of overseas labor migration (đi lao động) from the district. In 2001, fewer than one-quarter of households had a member who sent remittances home, nearly all of which were domestically employed (primarily in Ho Chi Minh City or Hanoi). By 2019, 52% of respondents were receiving remittances, many now acquired overseas, and which provided significantly more income (several thousands of dollars a year or more). The growth of industrial parks throughout Asia had drawn many young people to work overseas, as have formal government programs that encouraged households in poorer areas to send younger generations to work abroad on multiple year contracts.
Most households that had significantly relied on NWFP collection for household cash income in 2001 had substituted migrant remittances and no longer collected. This change was consistent with findings in 2001 that the use of provisioning ES was mainly predicted by access to alternative occupations (e.g., households with members earning wage labor or business income had less use and dependency on provisioning ES; McElwee, 2008). As youth left for work overseas, there was some concern about loss of transgenerational knowledge transmission, although this was outweighed for most by a sense of financial security that such employment provided. However, it was clear that older households had greater ecological knowledge. For example, although the average number of species in a garden was 41 in the 2001 survey, the only households with over 100 species in their gardens were several older households (average age over 75).
We discuss below key findings from the work in Vietnam and point out some lessons to further recognize and value CES, as well as to improve management of landscapes that provide CES. Returning to the idea of CES as being a product of environmental spaces and cultural practices, we note that the benefits received in our study sites should not be seen only “as a priori products of nature that people utilize for a particular benefit to well-being - but rather as relational processes and entities that people actively create and express through interactions with ecosystems” (Fish et al. 2016:211).
Indivisible material and non-material cultural ecosystem services (CES) from natural and man-made landscapes
Most literature on CES describes them as mostly intangible and non-material benefits (Chan et al. 2012). However, as we have noted, residents of Hà Tĩnh enjoy many benefits from nature and landscapes that are both tangible and intangible, and it was difficult for respondents to separate out these categories. For example, rice has meaning beyond food production alone (a material ecosystem service). Planting rice is a practice that also provides a sense of security (the ability to store rice as a savings account), reflects culturally preferred tastes (as in the use of local varieties), links to historical practices (continuing practices started by previous generations), and which provides health benefits (in the form of nutrition). Further, local rice varieties were not only culturally preferred for their taste and cooking profiles, but these varieties also were ecologically adapted to the drought and high wind conditions in the area, requiring fewer pesticides and fertilizers to plant, indicating that practices or landscapes with high CES value may also have high value for other ecosystem services.
Our results also indicate that man-made or co-produced landscape features, in addition to natural ones, were important in providing CES. Such a finding confirms the point that CES are often derived from a particular place, not just an ecosystem in general (James 2015). Individual gardens around homes were an important created space generating multiple CES. Another major landscape that households considered important was Lake Kẻ Gỗ, a man-made reservoir. The lake provided scenic views and places to picnic or walk along the shores (recreational and aesthetic CES), as well as being the major source of irrigation for rice production (water regulation). In addition, it was a source of local pride that demonstrated values of hard work and collective action (supporting identities CES).
Experiences, capabilities and identities in relation to cultural ecosystem services (CES)
Using a framework of benefits related to experiences, identities, and capabilities that can be generated from ecosystems provides a helpful way around the material/non-material services divide. Many factors go into producing social-cultural identities, and in Hà Tĩnh, multiple elements of nature contributed to sense of self in relation to family, community, and national ties. The self-sufficiency demonstrated by planting and using medicinal plants from a garden, for example, contributed to a sense of independence in being able cope with wartime medical needs, as well as to have alternatives to expensive imported Western medicines. To be a good person often related to filial obligations and proper care of ancestors, through care and practices in spaces with altars and tombs. By aligning environmental conditions properly, families could ensure peaceful relations with both spirits and ancestors, granting themselves and the previous generation a sense of comfort and ongoing social relations through worship.
Patriotism in particular as a source of identity formation has not been explored as explicitly in the CES literature, although sense of national pride in certain production landscapes or environments has been mentioned in some studies (Todd 2013, Hirons et al. 2016). In Vietnam, specific places have been intimately connected to the history and memory of multiple conflicts throughout the 20th century; the association of some sites with particular figures, or as sites of particular revolutionary battles, are commonplace across the country (Biggs 2005). A number of these sites combine important historical commemorations with preservation of environmental services. Such examples include Pác Bó cave (a karst landscape in the Northern mountains that provided shelter to Ho Chi Minh as he was planning anti-colonial military strategies, now preserved as a tourist site), the U Minh Forest (a wetland hideout during the US war that is now a National Park), and the Cave of the Eight Girls (a memorial site in Quảng Bình province where eight youth working on the Ho Chi Minh Highway were buried alive in 1972). The protection of these sites of cultural heritage (di sản văn hóa) was mandated in the 1992 Constitution, including “legacies of history, the revolution, cultural relics, artistic works, and famous landscapes.” Within Hà Tĩnh, landscapes reflected links to revolutionary work through commemorations of historical figures and visits to their memorials.
Thus, there is an important role for historical memory and celebrations of patriotism and nationalism to be included as a potential CES that bring people satisfaction and well-being from experiencing particular landscapes. Given that this has been a relatively neglected topic, it could be a useful focus to bring more people into contact with CES and provide justifications for improved management (such as standards for conservation or harnessed for recreation and tourism). Such an effort would also contribute to breaking down the artificial divide between nature and culture that is typical of many protected areas, in which only natural elements are emphasized as worthy of attention (Fall 2002, Byrne et al. 2013). This has happened in Vietnam as well, when a category of cultural, historical, and environmental reserves was eliminated from the protected areas system in the 1990s as biodiversity protection became a guiding mandate instead (McElwee 2002).
In Table 3, we outline how the different CES in the field sites combined both tangible and intangible benefits derived from a variety of man-made and natural landscapes, and which have contributed to generating experiences, identifies, and capabilities in myriad ways, often associated with other provisioning or regulating ecosystem services as well. Such findings reinforce the point that CES are context dependent, and often difficult to classify in ways that are broadly generalizable or in isolation from other forms of ES (Gould and Lincoln 2017, Lyver et al. 2017).
Impacts of social change over time
To have fine brown trousers and a conical hat in the pre-war era conveyed a rich sense of identity as Vietnamese; now, such identities are more likely to be conveyed from watching TV shows. Changes in social norms related to identity formation are a constant part of culture and not a static a priori condition. Thus, change in CES formation and attention to CES valuation as a process needs to be a part of the literature as well (Gould et al. 2020). Such change can be driven by multiple factors; for example, the erosion of traditional crops and foods, despite being preferred for many cultural benefits, has been documented around the globe, driven partially by exogenous factors like trade, but also internally by shifting value structures (Zimmerer 2014, Ficiciyan et al. 2018). As well, these changes can be seen in Vietnam through a rapid shift from mostly traditional varieties of rice grown in 1980 to current use of mostly high-yielding seeds (Trần and Kajisa 2006). Although traditional seeds persist as supplements to these modern varieties, particularly where risk spreading is important as it was in Hà Tĩnh, their production has declined precipitously. Such changes have meant that cultural identity, aesthetics, and knowledge systems related to rice landscapes are negatively correlated with an increase in agricultural modernization (Tekken et al. 2017).
The long-term effects of labor migration are also likely to have an impact on CES knowledge and use. This phenomenon was recent enough in 2019 that there was only a preliminary sense of the issue from respondents, particularly around whether or not generations who spent years away from home would be able retain a sense of place, and that local ecological and agricultural knowledge was likely to decrease among younger generations. These concerns were seen as likely to accelerate because there was a perceived demand for continued labor migration. However, after the re-survey in July 2019, a major international incident occurred in October 2019, in which 39 young people from Hà Tĩnh were found in a lorry in the UK, dead from suffocation in a labor smuggling operation (Peltier and Specia 2019). The well-publicized incident may serve to reduce the allure of labor migration for some in the province, but will need to be investigated further, particularly regarding migration’s effects on CES perception and use.
Linking cultural ecosystem services (CES) to improved overall environmental management
Understanding local use and valuation of CES can help in the management and governance of different landscapes; as Pascua et al. (2017:466) noted, “identifying CES in an accurate and culturally appropriate way is vital in resource management efforts, particularly if they can make place-based values visible before important decisions are made.” Many CES studies have thus tried to find commensurable ways to measure and value CES so that they might be compared to other services or presented as reasons to avoid development harmful to ecosystems (Hirons et al. 2016). Although this study did not attempt to systematically value the different CES encountered, future studies could do so, particularly given the fact that Vietnam does have a payment for environmental services policy nationwide. Because one of the five main services that are eligible for payments includes aesthetic landscape values for tourism, improved valuation in this area could provide tangible financial benefits to local areas.
In addition to PES payments, tourism promotion in Vietnam could make better use of CES, capitalizing on patriotism and sense of place, and take advantage of opportunities to combine cultural and environmental tourism, which to date have been treated separately. Much ecotourism has been promoted to international visitors while cultural heritage has been mostly domestic, yet there are potential opportunities to combine both through attention to CES (Thào and Pulliat 2019). For example, UNESCO World Heritage recognition has been granted to different intangible cultures in Vietnam, including folk songs and Mother goddess religion, thus encouraging tourism and visits to sites of interest and linking them to protection of or engagement in specific landscapes could acknowledge the CES associated with this heritage.
New alternative CES-based valuations and sources of income could also counter other economic development schemes causing damage to the local environment; according to local residents, the province had tried to invest in a cattle feedlot operation during the 2010s. Local people strongly disliked the operation, stating that it was highly polluting, particularly with regard to air and water, and it had been shut down prior to our visit in 2019 due to local complaints. It is possible that better valuation of environmental services and CES benefits might have provided an alternative to this environmentally degrading decision made by provincial officials.
Our study has been one of the first to explore the many facets of CES in Vietnam, and we followed calls to examine them “from the perspective of peoples’ interactions with, and understandings of places, localities, landscapes and species” (Fish et al. 2016:209), rather than beginning with fixed CES categories. Our work has confirmed that many values that are culturally specific or place based are not always captured in the categories in common use, including pride in native places, ties to ancestors and creation of filial identities, and reflections of patriotic and nationalistic feelings. We also noted the importance of historical memory for the provisioning of CES and urge future research in this area.
As we have also noted, the predominant tendency to associate CES only with non-material benefits presents a false divide: many benefits relating to identities, experiences, and capabilities derive from both material and non-material interactions with nature. Many material and consumptive ecosystem services have cultural components and are managed by values that are worthy of attention; thus, not only intangible benefits should be considered CES. It is also important to remember that a variety of landscapes, both natural and produced, provide bundles of CES, which have the potential to provide alternative trajectories of economic development.
Finally, by tracking CES over time, we can also see that ecosystem benefits are not static and can change in response to both ecosystem shifts and social transformations. This topic needs more attention in the CES literature, both with regard to how shifts in ecosystem state impact the availability of CES, as well as how global trends like migration and international trade may drive CES valuation away from historical baselines. There is also considerable room for improvement with regard to policy and management of CES to ensure that these shifting values are reflected in the ways in which environments are governed and managed.
RESPONSES TO THIS ARTICLEResponses to this article are invited. If accepted for publication, your response will be hyperlinked to the article. To submit a response, follow this link. To read responses already accepted, follow this link.
Author contributions: PM conducted the fieldwork in 2001 and 2019 and wrote the article; H. Vũ assisted with fieldwork and writing in 2019; G. Võ assisted with fieldwork in 2001 and 2019; D. Lê did data entry in 2019.
We thank the Central Institute for Natural Resources and Environmental Studies of Vietnam National University and its current director, Dr. Lữu Thế Anh, and previous directors, Dr. Hoàng Văn Thắng, Dr. Trương Quang Học, and the late Dr. Võ Quy, for support of this research project over the past two decades. The assistance of Mr. Trần Văn Sinh in supporting the fieldwork in 2001 is gratefully acknowledged. Funding for this work for PM has come from a National Science Foundation (NSF) Doctoral Dissertation Fellowship (BCS-0108992), from the Carnegie Corporation, and from NSF grant 1853759, "Understanding the Use of Ecosystem Services Concepts in Environmental Policy." The work undertaken with human subjects was approved by Institutional Review Boards at Yale University in 2000 and Rutgers University in 2019 (#Pro2019000556).
The household survey data that support the findings of this study are available on request from the corresponding author. The data are not publicly available because they were collected from households and contain personal information.
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Table 1.Previous cultural ecosystem services (CES) research in Vietnam.
|Authors||Subject of research||Region where carried out||Methods|
|Tekken et al. 2017||CES in rice landscapes||Countrywide||Focus groups with farmers in four sites of rice production|
|Hồ et al. 2018a||CES for tourist landscapes in Hà Tiên province||Mekong Delta||Public participation GIS to map out travel to tourist landscapes|
|Hồ et al. 2018b||Recreation and tourism in U Minh Thượng National Park||Mekong Delta||Household (HH) survey using Likert scale of satisfaction with ecosystem services (ES)|
|Quyen et al. 2017||ES in Hậu River system affected by catfish farming, including CES||Mekong Delta||HH surveys of agricultural and aquacultural families|
|Berg et al. 2017||ES in Mekong Delta, including CES||Mekong Delta||Farmer surveys to identify ES from agricultural/aquacultural landscapes|
|Cormier-Salem et al. 2017||ES in Cần Giờ Mangrove reserve; little specific on CES||Mekong Delta||Small sample of interviews (five) plus biodiversity sampling|
|McDonough et al. 2014||Valuing different ES in Cần Giờ Mangrove reserve||Mekong Delta||Choice experiment with farming HH on shrimp production versus mangrove conservation|
Table 2. Responses to survey questions on cultural ecosystem services (CES), 2019.
|Type of CES||% responding that CES was seen positively or negatively||Additional descriptions provided|
|Sense of place|
|Pride in native place||80% positive||Most distinctive feature mentioned:
|20% negative||Negative features:
|Aesthetics, recreation, and health|
|Feelings regarding forests||96% positive||
|Feelings regarding nearest urban area||88% negative||Cities considered
|2% positive, 10% no answer/don’t go to cities||
|Other additional mentions of positive feelings regarding local landscapes in general||
Table 3. Overview of types and categories of important cultural ecosystem services (CES) in central Vietnam. Note: KGNR = Kẻ Gỗ Nature Reserve.
|Categories||Type of benefit||Values associated with CES||Landscapes in which take place||Experiences, identities, and capabilities||Other ES associated||Shifts over time|
|Agricultural production||Material||Sense of security
Health and well-being
Social and community bonds
Financial “bank account”
Cultural production (songs)
|Man-made agroecosystems (rice fields and home gardens)||Experiences: hard work in farming, pleasure in eating
Identities: sense of community through shared labor and shared produce/meals
Capabilities: sense of food security and financial security
|Provisioning services for food
Genetic diversity in local seeds
|No declines in % of household farming rice, but declines in use of local varieties
Shifts away from gardens as source of income, replaced by remittances
|Medicinal plant use||Material||Sense of independence
Health and well-being
Supplementary food for meals
Financial “bank account”
|Man-made agroecosystems (home gardens)
Natural forests of KGNR
|Experiences: learning about medicinal plants, looking for them in forest
Identities: intergenerational transmission of knowledge
Capabilities: self-sufficient from medical system
|Genetic diversity||Decline in availability of wild-crafted medicinals due to over-harvesting
Loss of knowledge among younger generation
|Craft materials||Material||Cultural identity
Financial “bank account”
|Natural forests of KGNR
Man-made agroecosystems (home gardens)
|Experiences: time spent in forest, opportunities to learn about forest
Identities: having clothes that reflect Vietnamese identity
financial flexibility for women
|Genetic diversity||Decline in demands for dyes due to changing dress norms
Decline in collection of palm leaves; replaced by remittances
|Sense of place||Non-material||Pride in homeland
Ties to historical lineages and figures
Learning about history
Patriotism and nationalism
|Natural and man-made landscapes, including villages, Lake Kẻ Gỗ, memorials and tombs||Experiences: visiting local memorials, learning about personages, enjoying recreation opportunities
Identities: being part of ancestral homeland, feeling part of Vietnamese nation
Capabilities: thriving in familiar area
Provisioning services for food
|Ties to homeland have remained strong, although overseas labor migration among youth is cause for concern|
|Spirituality and religious practices||Non-material||Ties to ancestors
Safety from bad spirits
“Right” and moral living
Man-made altars and tombs
|Experiences: building and praying at altars and tombs
Identities: being part of family and filial piety
Capabilities: living correctly with spirits and ancestors
|Habitat and biodiversity (in natural forests near shrines)||Decline in formal religious buildings and practices when discouraged by state
Re-vitalization of religion and pilgrimage travel more recently
|Aesthetics, recreation, and health||Non-material||Healthy environment
Places for fun and recreation
Shade and cooling
Calm and peacefulness
|Natural and man-made forests
Man-made water bodies
|Experiences: enjoying the outdoors, listening to birdsong
Identities: satisfaction with being part of community
Capabilities: having well-being in comfortable surroundings
|Pollination services (ornamental flowers)
Soil and water conservation (from shelterbelts)
|Increasing time and disposable income for recreation services and travel
Expansion of shelterbelts and trees through acacia plantings