Pacific Rocky Intertidal Monitoring: Trends and Synthesis
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Alcatraz Island Biodiversity Survey findings
Click here (PDF link) for a list of species observed during the Biodiversity surveys at this site
For a complete species lookup table (including general taxonomic group name and common name, if available) of ALL species observed during the Biodiversity Surveys (at all sites), please click here (PDF link).
Point Contact Surveys
The graph below compares the percent cover of the most common species (>2% cover, first points only, for at least one sample) observed during the Point Contact Surveys at this site.
Quadrat Surveys
The graph below compares the density of the dominant species observed (>1 per m2 for at least one sample; note logarithmic scale) during the Quadrat Surveys at this site.
Swath Surveys
The graph below compares the mean number of seastar species observed per transect during the Swath Surveys at this site.
Topography Surveys
Below is a map generated by data collected during the Topography Surveys at this site.
