Search results for urchin
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4 datasets for “urchin”
- Data.gov Catalog
Kelp and invertebrate counts on permanent benthic transects 1980-2018 at San Nicolas Island, California
U.S. Geological SurveyUpdated 18 Feb 2022
The data represent counts of individuals of a suite of kelp and macroinvertebrate species on fixed 10-meter …
- XML
- Data.gov Catalog
San Nicolas Island benthic transect densities 1980-2019
U.S. Geological SurveyUpdated 6 Mar 2025
These data represent density per square meter of individuals of a suite of kelp and macroinvertebrate species on …
- XML
- Data.gov Catalog
SFCN Coral Reef Monitoring Data Package Version 2 (1999-2024): CDR, Disease, Species List, and Video Datasets
National Park ServiceUpdated 18 Apr 2025
… 4) Track trends in abundance of the regionally important herbivorous sea urchin, Diadema antillarum, within selected coral reef …
- XML
- CSV
- TXT
- Data.gov Catalog
SFCN Coral Reef Monitoring Protocol Data Package: Coral Video dataset for U.S. Virgin Islands parks (1999-2020)
National Park ServiceUpdated 25 Mar 2022
… 4) Track trends in abundance of the regionally important herbivorous sea urchin, Diadema antillarum, within selected coral reef …
- CSV
- XML