Invertebrates: A Case Study Of China Camp State Park, Marin County

April Robinson, Andrew N. Cohen, Brie Lindsey and Letitia Grenier

in Ecology, Conservation, and Restoration of Tidal Marshes

Published by University of California Press

Published in print October 2012 | ISBN: 9780520274297
Published online January 2013 | e-ISBN: 9780520954014 | DOI:
Invertebrates: A Case Study Of China Camp State Park, Marin County

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The distribution of macroinvertebrates across a tidal gradient is described from a study of invertebrate distribution across tidal marsh sub-habitats, a nonquantitative survey of epifauna on intertidal rocky substrate, and a few additional observations and records from China Camp State Park, Marin County, California. In the tidal-marsh study, invertebrates were sampled from distinct sub-habitat types: high-order channels, low-order channels, vegetated marsh plain, and natural levees adjacent to channels. Invertebrates were collected using a variety of trapping methods to account for capture biases associated with any one method. All common invertebrate taxa were significantly more abundant in a particular sub-habitat, and within each trapping method a few species accounted for most of the biomass. On intertidal rocks, 79 percent of the taxa identified to species or genus were exotic, but a few native species were common.

Keywords: macroinvertebrates; intertidal; food web; tidal marsh; tidal gradient; salt marsh; exotic species; San Francisco Bay; China Camp State Park

Chapter.  6280 words. 

Subjects: Animal Pathology and Diseases

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