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Ecosystems Mission Area

The USGS Ecosystems Mission Area provides science to help America achieve sustainable management and conservation of biological resources in wild and urban spaces, and places in between.

News

The 2024 Southern Sea Otter Census and Statistical Model Development

The 2024 Southern Sea Otter Census and Statistical Model Development

USGS Friday's Findings - September 27, 2024

USGS Friday's Findings - September 27, 2024

Non-native plants consistently drive changes in functional traits of plant communities

Non-native plants consistently drive changes in functional traits of plant communities

Publications

North Central Climate Adaptation Science Center regional science plan—2023–28

The U.S. Geological Survey North Central Climate Adaptation Science Center (NC CASC), established in 2012, is part of a national network supporting climate-informed decisions that benefit wildlife and habitats. The NC CASC provides climate science for the U.S. Department of the Interior, State agencies, and Tribal nations to support effective resource management. Collaborating with the National an

Synchrony of alewife, Alosa pseudoharengus, year-class strength in the Great Lakes region

Fish recruitment is interannually variable and challenging to predict. Annual recruitment is often regionally synchronized among populations and identifying drivers of such synchrony may help shed light on recruitment dynamics. We investigated interannual variation of alewife Alosa pseudoharengus recruitment by estimating year-class strength for populations from three of the Laurentian Great Lakes
Authors
Les D. Warren, Andrew Edgar Honsey, David Bunnell, Paris D. Collingsworth, Darryl W. Hondorp, Charles P. Madenjian, David Warner, Brian C. Weidel, Tomas O. Hook

Pathology of tissue loss in three key gorgonian species in the Mediterranean Sea

The Mediterranean is known for its marine biodiversity, especially gorgonian forests. Unfortunately, these are experiencing rapid declines due to climate change, manifested by repeated marine heat waves resulting in mass mortality events since the early 1990 s. To better understand why gorgonians are declining, more systematic approaches to investigate the exact causes are needed, and pathology ma
Authors
Jacopo Gobbato, Thierry M. Work, Martina P. Facchinelli, Federica M. Siena, Enrico Montalbetti, Davide Seveso, Yohan D. Luisa, Paolo Galli, Simone Montano

Science

California Sea Otter Surveys and Research

WERC collaborates with other research scientists to conduct annual population surveys of the southern sea otter -- a federally listed threatened species. In coordination with the California Department of Fish and Game and other institutions, ongoing surveys and research continues to inform the southern sea otter recovery plan for the U.S. Fish and Wildlife Service, and contributes to our...
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California Sea Otter Surveys and Research

WERC collaborates with other research scientists to conduct annual population surveys of the southern sea otter -- a federally listed threatened species. In coordination with the California Department of Fish and Game and other institutions, ongoing surveys and research continues to inform the southern sea otter recovery plan for the U.S. Fish and Wildlife Service, and contributes to our...
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Passage, migration and critical habitat of Atlantic (Acipenser oxyrhinchus oxyrhinchus) and shortnose (Acipenser brevirostrum) sturgeons in New England waters.

USGS scientists are studying the passage, migration and critical habitat of the Atlantic ( Acipenser oxyrhinchus oxyrhinchus ) and shortnose ( Acipenser brevirostrum ) sturgeon in New England waters to provide managers with population-specific details upon which effective steps can be taken to protect these endangered species.
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Passage, migration and critical habitat of Atlantic (Acipenser oxyrhinchus oxyrhinchus) and shortnose (Acipenser brevirostrum) sturgeons in New England waters.

USGS scientists are studying the passage, migration and critical habitat of the Atlantic ( Acipenser oxyrhinchus oxyrhinchus ) and shortnose ( Acipenser brevirostrum ) sturgeon in New England waters to provide managers with population-specific details upon which effective steps can be taken to protect these endangered species.
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Reptile and Amphibian Road Ecology

USGS is working with many partners to help reptiles, amphibians and other animals cross roads safely, improving access to essential habitat.
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Reptile and Amphibian Road Ecology

USGS is working with many partners to help reptiles, amphibians and other animals cross roads safely, improving access to essential habitat.
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