Table 5. Farmland suitability type for conservation easements and fee-simple protected areas in the San Francisco Bay Area. Farmland type Percent of conservation easement land Percent of fee simple land Prime farmland† 3.3% 0.3% Farmland of statewide importance‡ 2.0% 0.0% Unique farmland§ 2.2% 0.2% Farmland of local importance| 15.0% 3.3% Grazing land¶ 58.1% 33.6% Other land# 18.5% 51.7% Urban and built-up land 0.6% 3.1% Water 0.3% 7.8% †Prime farmland has the soil, water, and physical features best able to sustain agricultural production. ‡Farmland of statewide importance has a slightly higher slope or lower ability to store moisture. §Unique farmland has lesser quality soils but produces the state's leading crops. Prime, statewide importance, and unique farmland must have had agricultural use in the past four years. |Farmland of local importance is defined by county, and may include grazing lands, unirrigated croplands, and small orchards or vineyards. ¶Grazing land has vegetation suited for livestock grazing and a minimum mapping unit of 40 acres. #Other land includes forested areas, wetlands, mining areas, and major government lands without agricultural uses.