James A. Estes

Affiliation:

University of California-Santa Cruz (UCSC)

Address:

Coastal Biology Building
130 McAllister Way
Santa Cruz, CA
United States 95060

Activities reported for James A. Estes:

Program coordination

None

Project coordination

Collaborative Research: Kelp forest interaction webs in the Aleutian Archipelago: patterns and mechanism of change following the collapse of an apex predator (Kelp Forest Apex Predator Collapse)	Co-Principal Investigator, Principal Investigator, Contact
CAMEO: Comparative Approaches to Predicting the Consequences of an Impending Re-Invasion: Top Predator Effects on Californian Near-Shore Fisheries (SeaOtterReInv)	Co-Principal Investigator
Disaster and recovery in kelp forest communities: the effects of El Niño Southern Oscillation events in the Northeast Pacific (ENSO impacts on giant kelp forests)	Co-Principal Investigator
Ocean Acidification: Century Scale Impacts to Ecosystem Structure and Function of Aleutian Kelp Forests (OA Kelp Forest Function)	Co-Principal Investigator

Deployment coordination

Deployment	Synonyms	Platform	Role
PS1409		Point Sur	Co-Chief Scientist

Datasets

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

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

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

Dataset	Version Date	Current State
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. Co-Principal Investigator	2021-01-26	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 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 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 Co-Principal Investigator	2019-02-13	Final no updates expected
Historical reconstruction of sea urchin grazing events in Aleutian Island ecosystem from grazing scars, 1965-2004 Co-Principal Investigator	2019-02-13	Final no updates expected
Sea urchin bio-erosion of Clathromorphum nereostratum skeleton at central and western Aleutian Islands, Alaska from visual surveys, July 2014 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 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 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 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 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 Co-Principal Investigator	2019-01-30	Final no updates expected
Sea urchin density at central and western Aleutian Islands, Alaska from visual surveys, July 2014 Co-Principal Investigator	2019-01-30	Final no updates expected

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

Dataset	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 Co-Principal Investigator	2012-05-15	Preliminary and in progress

Database

Contribute Data

James A. Estes

Activities reported for James A. Estes: