Appendix 1. Percentage changes in mean cover (C) and frequency of occurrence (F) for vegetation treatments on the Campbell River estuary, British Columbia (1983–1994) (t = trace).

Species
1983
1984
1985
1986
1988
1994

C
F
C
F
C
F
C
F
C
F
C
F
Nunn’s Island low marsh
(n = 20 relevés)












    Carex lyngbyei
36
85
41
100
49
85
60
90
51
95
46
95
    Juncus balticus
12
30
19
35
12
25
11
25
11
35
21
55
    Potentilla pacifica
8
10
10
15
10
15
26
10
6
15
8
10
    Deschampsia caespitosa
2
10
t
5
3
10
6
20
2
15
15
10
    Eleocharis palustris
7
40
18
45
16
35
17
55
20
55
1
15
    Triglochin maritimum
6
15
20
10
26
15
23
20
15
15
15
5
    Scirpus americanus
15
5
0
0
0
0
0
0
0
0
0
0
    Scirpus validus
3
5
4
30
2
25
15
20
9
25
9
10
    Lilaeopsis occidentalis
14
35
10
15
11
15
8
10
4
25
t
5

Species
1983
1984
1985
1986
1988
1994

C
F
C
F
C
F
C
F
C
F
C
F
Nunn’s Island mid-to-high
marsh (n = 18 relevés)












    Carex lyngbyei
7
47
11
94
10
100
14
94
11
82
15
78
    Juncus balticus
24
71
35
94
21
94
26
94
23
88
39
100
    Potentilla pacifica
9
88
17
100
21
94
25
100
25
94
17
89
    Deschampsia caespitosa
4
35
4
65
16
71
19
82
8
88
12
72
    Eleocharis palustris
12
24
10
71
21
65
14
65
10
65
1
39
    Triglochin maritimum
1
24
6
65
6
71
6
59
3
65
3
89
    Scirpus americanus
t
6
23
18
7
35
3
29
t
24
t
11
    Lilaeopsis occidentalis
0
0
8
24
1
29
6
18
10
18
0
0
    Castilleja miniata
4
35
3
6
t
6
15
6
t
6
0
0
    Trifolium wormskjoldii
t
59
10
65
10
82
11
82
13
76
5
72
    Sidalcea hendersonii
13
24
11
24
8
47
10
47
10
53
17
28
    Agrostis alba
0
0
0
0
0
0
0
0
0
0
6
17
    Hordeum brachyantherum
0
0
t
6
t
12
t
18
2
12
2
33
    Aster subspicatus
0
0
8
53
6
59
5
65
6
65
7
61
    Ranunculus cymbalaria
0
0
0
0
t
6
t
12
0
0
0
0
    Plantago macrocarpa
5
24
10
24
14
65
15
65
6
76
12
61
    Polygonum aviculare
t
12
0
0
0
0
0
0
0
0
0
0
    Festuca rubra
0
0
t
24
5
41
4
35
6
47
15
50
    Sium suave
0
0
2
12
2
12
2
18
2
18
4
50
    Vicia americana
3
18
1
18
3
41
8
24
2
29
5
39
    Daucus carota
0
0
1
29
2
29
10
18
1
41
t
17
    Dodecatheon pulchellum
0
0
1
18
t
29
1
24
t
29
t
11
    Mentha arvensis
0
0
0
0
0
0
0
0
0
0
t
6
    Platanthera greenei
0
0
2
12
t
6
0
0
t
12
0
0
    Sisyrynchium angustifolium
0
0
3
6
t
6
t
6
0
0
0
0
    Hypericum formosum
0
0
9
12
2
24
6
18
11
24
0
0
    Fritillaria camschatcensis
0
0
0
0
0
0
t
6
0
0
0
0
    Ranunculus occidentalis
0
0
0
0
0
0
0
0
2
24
0
0
    Poa pratense
8
12
0
0
0
0
0
0
0
0
0
0

Species
1983
1984
1985
1986
1988
1994

C
F
C
F
C
F
C
F
C
F
C
F
Planted blocks
(n = 81 relevés)












    Carex lyngbyei
8
90
13
93
27
91
33
94
38
98
49
88
    Juncus balticus
5
41
7
59
12
56
12
70
30
73
40
64
    Potentilla pacifica
1
41
4
39
11
44
19
48
26
66
15
43
    Deschampsia caespitosa
2
11
3
11
6
18
8
21
8
29
9
28
    Eleocharis palustris
9
80
9
83
9
81
13
88
11
86
2
15
    Triglochin maritimum
2
19
2
20
3
19
2
19
3
20
1
12
    Scirpus americanus
2
16
7
18
5
14
3
16
2
13
t
5
    Scirpus cernuus
2
21
t
21
5
23
3
24
t
25
3
1
    Scirpus validus
1
43
1
51
2
34
2
35
t
14
t
1
    Lilaeopsis occidentalis
2
35
7
44
16
49
14
76
12
74
t
1
    Castilleja miniata
t
1
0
0
0
0
0
0
0
0
0
0
    Trifolium wormskjoldii
2
6
15
3
11
4
12
8
12
6
0
0
    Sidalcea hendersoni
t
3
0
0
t
3
t
1
0
0
0
0
    Agrostis alba
t
3
2
4
t
1
t
1
0
0
0
0
    Typha latifolia
t
1
0
0
0
0
0
0
0
0
0
0
    Hordeum brachyantherum
t
1
0
0
0
0
0
0
t
1
0
0
    Juncus bufonius
t
1
t
3
0
0
t
3
0
0
0
0
    Ruppia maritima
t
1
0
0
0
0
0
0
0
0
0
0
    Aster subspicatus
t
1
0
0
0
0
0
0
0
0
0
0
    Ranunculus cymbalaria
0
0
0
0
t
1
t
5
0
0
0
0
    Plantago macrocarpa
0
0
0
0
0
0
3
1
t
1
0
0
    Plantago maritima
0
0
t
3
t
1
0
0
0
0
0
0
    Polygonum sp.
t
1
t
1
0
0
0
0
0
0
0
0
    Polygonum aviculare
t
1
0
0
0
0
0
0
0
0
0
0

Species
1983
1984
1985
1986
1988
1994

C
F
C
F
C
F
C
F
C
F
C
F
Unplanted blocks
(n = 45 relevés)












    Carex lyngbyei
1
23
3
45
11
45
17
61
20
73
25
71
    Juncus balticus
0
0
t
16
8
20
8
27
19
43
49
51
    Potentilla pacifica
t
2
t
7
10
20
19
32
26
52
24
47
    Deschampsia caespitosa
t
2
0
0
7
7
2
23
6
25
10
27
    Eleocharis palustris
2
16
3
41
11
57
10
68
15
89
6
44
    Triglochin maritimum
t
2
0
0
0
0
t
5
0
0
1
7
    Scirpus americanus
0
0
t
2
0
0
3
2
0
0
0
0
    Scirpus cernuus
1
16
2
30
8
48
5
52
5
41
7
16
    Scirpus validus
t
50
2
55
7
34
7
20
10
25
13
7
    Lilaeopsis occidentalis
t
2
2
9
7
18
10
36
22
48
3
2
    Hordeum brachyantherum
0
0
0
0
t
2
3
2
3
2
0
0
    Aster subspicatus
0
0
0
0
0
0
0
0
3
5
0
0
    Ranunculus cymbalaria
0
0
0
0
t
5
0
0
0
0
0
0
    Plantago macrocarpa
0
0
t
2
t
2
t
5
0
0
0
0
    Ruppia maritima
t
2
0
0
0
0
0
0
t
2
0
0
    Juncus bufonius
0
0
0
0
0
0
2
5
t
2
0
0
    Polygonum sp.
0
0
0
0
0
0
t
2
0
0
0
0
    Glaux maritima
0
0
0
0
0
0
0
0
t
2
0
0

Species
1983
1984
1985
1986
1988

C
F
C
F
C
F
C
F
C
F
Island 3, transects 10 and 11
(n = 11 relevés)










    Carex lyngbyei
1
36
2
45
6
55
8
45
11
45
    Juncus balticus
0
0
3
9
26
18
3
9
45
45
    Potentilla pacifica
0
0
2
18
14
36
19
64
18
82
    Deschampsia caespitosa
t
9
t
27
3
45
13
73
9
64
    Eleocharis palustris
0
0
8
18
t
9
3
9
3
9
    Scirpus validus
t
36
2
18
t
9
t
9
0
0
    Lilaeopsis occidentalis
0
0
0
0
2
18
t
9
3
9
    Castilleja miniata
0
0
0
0
0
0
0
0
15
9
    Trifolium wormskjoldii
0
0
t
9
5
27
5
36
17
45
    Agrostis alba
0
0
t
18
2
73
4
45
2
27
    Hordeum brachyantherum
0
0
t
9
0
0
0
0
t
18
    Aster subspicatus
0
0
t
9
3
9
t
27
6
64
    Plantago macrocarpa
0
0
0
0
9
18
0
0
0
0
    Plantago lanceolata
0
0
2
18
t
45
5
55
11
73
    Trifolium repens
0
0
0
0
3
9
t
55
32
64
    Plantago major
1
27
9
45
19
73
8
73
1
64
    Spergula arvense
2
36
6
73
0
0
t
18
13
55
    Poa pratense
t
18
8
73
27
45
13
64
11
55
    Spergularia rubra
28
64
39
91
39
91
19
91
6
55
    Polygonum persicaria
6
73
4
82
1
36
1
45
t
27
    Festuca rubra
0
0
0
0
0
0
0
0
2
18
    Cirsium arvense
0
0
0
0
0
0
0
0
2
18
    Lolium perenne
0
0
0
0
0
0
0
0
t
18
    Rumex acetosella
0
0
0
0
t
18
0
0
t
18
    Pyrus fusca
0
0
t
9
0
0
t
55
3
9
    Matricaria matricarioides
0
0
0
0
0
0
0
0
t
9
    Atropa belladona
0
0
0
0
0
0
t
9
0
0
    Trifolium pratense
0
0
t
9
0
0
0
0
0
0
    Chenopodium album
t
36
t
45
t
9
0
0
0
0
    Epilobium watsonii
0
0
0
0
t
27
0
0
0
0
    Sonchus arvense
0
0
t
27
0
0
t
55
0
0
    Grindelia integrifolia
0
0
0
0
0
0
t
9
0
0
    Hypochaeris radicata
0
0
t
9
0
0
t
9
0
0
    Atriplex patula
0
0
0
0
0
0
t
9
0
0
    Rosa nutkana
0
0
0
0
t
9
0
0
0
0