Journal
JOURNAL OF BIOGEOGRAPHY
Volume 28, Issue 4, Pages 471-483Publisher
WILEY
DOI: 10.1046/j.1365-2699.2001.00559.x
Keywords
conservation; disturbance; diversity; intertidal; stability
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Aim To test the hypothesis that the abiotic variables of salinity, temperature and fetch could explain patterns of intertidal species richness at regional scales (100-1000 s of km). Location British Columbia, Canada. Methods Using a 180 station data set collected over 7 degrees of latitude on bedrock shorelines, we used a combination of correlation, multiple regression and ordination to show that species richness was strongly related to fetch, salinity and temperature. Results Results are consistent with the expected outcomes from the stability-time and intermediate disturbance hypotheses. Main conclusions Temperate intertidal environments are predominantly physically accomodated at regional scales. Implications for near-shore conservation are that the conservation of outer coast environments protects more species in a given area than inner coast environments.
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