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James A. Estes

Affiliation: University of California-Santa Cruz (UCSC)

Address: []

Project: CAMEO: Comparative Approaches to Predicting the Consequences of an Impending Re-Invasion: Top Predator Effects on Californian Near-Shore Fisheries (1 datasets)

Dataset	Latest Version Date	Current State
Citation-based repository for knowledge of species in the kelp forest ecosystem of Central and Southern CA maintained by the Long Marine Lab at the University of California, Santa Cruz from 2010-2013 Role: Co-Principal Investigator	2012-05-15	Preliminary and in progress

Project: Ocean Acidification: Century Scale Impacts to Ecosystem Structure and Function of Aleutian Kelp Forests (12 datasets)

Dataset	Latest Version Date	Current State
Sea urchin density at central and western Aleutian Islands, Alaska from visual surveys, July 2014 Role: Co-Principal Investigator	2019-01-30	Final no updates expected
Sea urchin biomass at central and western Aleutian Islands, Alaska from visual surveys, July 2014 Role: Co-Principal Investigator	2019-01-30	Final no updates expected
Kelp forest community structure at central and western Aleutian Islands, Alaska from visual surveys, July 2014 Role: Co-Principal Investigator	2019-01-30	Final no updates expected
Sea urchin density at each site studied with respect to Clathromorphum bioerosion, at central and western Aleutian Islands, Alaska from visual surveys, July 2014 Role: Co-Principal Investigator	2019-01-30	Final no updates expected
Sea urchin size and biomass with respect to Clathromorphum bioerosion at central and western Aleutian Islands, Alaska from visual surveys, July 2014 Role: Co-Principal Investigator	2019-01-30	Final no updates expected
Kelp forest community structure studied with respect to Clathromorphum bioerosion at central and western Aleutian Islands, Alaska from visual surveys, July 2014 Role: Co-Principal Investigator	2019-01-30	Final no updates expected
Sea urchin bio-erosion of Clathromorphum nereostratum skeleton at central and western Aleutian Islands, Alaska from visual surveys, July 2014 Role: Co-Principal Investigator	2019-01-30	Final no updates expected
Historical reconstruction of sea urchin grazing events in Aleutian Island ecosystem from grazing scars, 1965-2004 Role: Co-Principal Investigator	2019-02-13	Final no updates expected
Laboratory study of estimates of per capita sea urchin grazing rates on Clathromorphum nereostratum, evaluated as a function of sea urchin size Role: Co-Principal Investigator	2019-02-13	Final no updates expected
Experimental study to estimate per capita sea urchin (Strongylocentrotus polyacanthus) grazing rates on the alga Clathromorphum nereostratum as a function of seawater temperature and pCO2 concentration Role: Co-Principal Investigator	2019-02-13	Final no updates expected
The density (mg CaCO3/cm^3) of the skeleton of Clathromorphum nereostratum, when assessed as function of increasing seawater temperature and pCO2 concentration Role: Co-Principal Investigator	2019-02-13	Final no updates expected
Estimates of island-wide sea otter population density as surveyed with boats circumnavigating nine focal islands within the central and western Aleutian Islands (Alaska) from 1991-2015. Role: Co-Principal Investigator	2021-01-26	Final no updates expected

Project: CAREER: Energy fluxes and community stability in a dynamic, high-latitude kelp ecosystem (3 datasets)

Dataset	Latest Version Date	Current State
Sea urchin frequency and diameters as surveyed in Sitka Sound and Torch Bay, Alaska Role: Co-Principal Investigator	2021-02-26	Final no updates expected
Benthic community cover and counts in Sitka Sound and Torch Bay, Alaska from 1988 to 2019 Role: Co-Principal Investigator	2021-02-27	Final no updates expected
GPS coordinates for survey sites in Sitka Sound and Torch Bay, Alaska from 2003 to 2019 (High latitude kelp dynamics project) Role: Co-Principal Investigator	2021-06-01	Final no updates expected