Table 5. Plant abundance along surveyed transects for plants with greater than 2% cover. Nomenclature follows that of Hickman (1993)

Bothin Marsh
Distichlis spicata / Saltgrass / POACEAE / 33.46%
Salicornia virginica / Perennial pickleweed / CHENOPODIACEAE / 30.11%
Spartina foliosa / Pacific cordgrass / POACEAE / 23.32%
Jaumea carnosa / Fleshy jaumea / ASTERACEAE / 11.41%
China Camp
Salicornia virginica / Perennial pickleweed / CHENOPODIACEAE / 68.53%
Spartina foliosa / Western cordgrass / POACEAE / 14.71%
Distichlis spicata / Saltgrass / POACEAE / 4.31%
Jaumea carnosa / Fleshy jaumea / ASTERACEAE / 3.24%
Grindelia stricta / Marsh gum plant / ASTERACEAE / 3.24%
Cuscuta salina / Salt marsh dodder / CUSCUTACEAE / 3.09%
Petaluma Marsh
Salicornia virginica / Perennial pickleweed / CHENOPODIACEAE / 80.04%
Lepidium latifolium / Perennial pepperweed / BRASSICACEAE / 8.96%
Scirpus maritimus / Alkali sedge / CYPERACEAE / 2.16%
Southampton Bay
Salicornia virginica / Perennial pickleweed / CHENOPODIACEAE / 42.69%
Scirpus americanus / Three-square sedge / CYPERACEAE / 12.20%
Lepidium latifolium / Perennial pepperweed / BRASSICACEAE / 7.33%
Cuscuta salina / Salt marsh dodder / CUSCUTACEAE / 5.56%
Typha angustifolia / Narrow-leaved cattail / TYPHACEAE / 5.50%
Scirpus maritimus / Alkali sedge / CYPERACEAE / 4.92%
Atriplex patula / Salt bush / CHENOPODIACEAE / 4.44%
Grindelia stricta / Marsh gum plant / ASTERACEAE / 3.89%
Distichlis spicata / Saltgrass / POACEAE / 2.41%
Juncus sp. / Rush / JUNCACEAE / 2.22%
Spartina foliosa / Western cordgrass / POACEAE / 2.19%
Jaumea carnosa / Fleshy jaumea / ASTERACEAE / 2.06%
Hill Slough
Scirpus americanus / Three-square sedge / CYPERACEAE / 19.82%
Salicornia virginica / Perennial pickleweed / CHENOPODIACEAE / 10.05%
Triglochin maritima / Seaside arrowgrass / JUNCAGINACEAE / 7.95%
Potentilla anserina / Silverweed / ROSACEAE / 7.76%
Jaumea carnosa / Fleshy jaumea / ASTERACEAE / 7.53%
Juncus sp. / Rush / JUNCACEAE / 7.06%
Distichlis spicata / Saltgrass / POACEAE / 4.34%
Cuscuta salina / Salt marsh dodder / CUSCUTACEAE / 2.75%
Grindelia stricta / Marsh gum plant / ASTERACEAE / 2.20%
Lepidium latifolium / Perennial pepperweed / BRASSICACEAE / 2.18%
Glaux maritima / Sea milkwort / PRIMULACEAE / 2.13%
Sandmound Slough
Scirpus californicus / California bulrush / CYPERACEAE / 23.12%
Typha latifolia / Common cattail / TYPHACEAE / 15.42%
Potentilla anserina / Silverweed / ROSACEAE / 13.39%
Scirpus acutus / Hardstem bulrush / CYPERACEAE / 12.85%
Scirpus americanus / Three-square bulrush / CYPERACEAE / 8.08%
Epilobium sp. / Willow herb / ONAGRACEAE / 7.87%
Unknown / 6.18%
Phragmites australis / Common reed / POACEAE / 6.14%
Calystegia sepium / Hedge bindweed / CONVULVULACEAE / 2.38%

Table 6. Spatial autocorrelation (r2) for plant cover at 1-4, 4-8, 8-12, 12-16, and 16-20 meters for each survey station

Species Distance (m)

1-4 / 4-8 / 8-12 / 12-16 / 16-20
Atriplex patula / 0.36 / 0.23 / 0.09 / 0.02 / 0.02
Distichlis spicata / 0.64 / 0.52 / 0.42 / 0.35 / 0.27
Frankenia salina / 0.18 / 0.07 / 0.04 / 0.06 / 0.05
Grindelia stricta / 0.13 / 0.001 / 0.011 / 0.009 / 0.012
Jaumea carnosa / 0.48 / 0.28 / 0.19 / 0.12 / 0.14
Juncus balticus / 0.19 / 0.04 / 0.06 / 0.07 / 0.08
Lepidium latifolium / 0.32 / 0.15 / 0.09 / 0.02 / 0.02
Phragmites australis / 0.44 / 0.26 / 0.29 / 0.3 / 0.3
Salicornia virginica / 0.75 / 0.63 / 0.55 / 0.49 / 0.47
Scirpus acutus / 0.39 / 0.22 / 0.16 / 0.15 / 0.09
Scirpus americanus / 0.57 / 0.36 / 0.29 / 0.28 / 0.26
Scirpus californicus / 0.46 / 0.43 / 0.35 / 0.28 / 0.21
Scirpus maritimus / 0.51 / 0.31 / 0.16 / 0.12 / 0.16
Spartina foliosa / 0.57 / 0.4 / 0.26 / 0.22 / 0.19
Typha spp. / 0.53 / 0.25 / 0.19 / 0.14 / 0.13