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Browse more than 82,000 reports authored by our scientists over the past 100+ year history of the USGS and refine search by topic, location, year, and advanced search.

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Bivalves Bivalves

Bivalves are important as consumers of pelagic and demersal food resources. With sufficient biomass, they can compete with and, in some cases, outcompete other members of the pelagic food web for food resources such as phytoplankton and zooplankton. We include bivalves in the San Francisco Estuary (SFE) and Delta in the FLOAT MAST because they have been and continue to be an important...
Authors
Janet K. Thompson
By
Water Resources Mission Area

Fort Laramie National Historic Site 2022 ABAM Investigator Annual Report Fort Laramie National Historic Site 2022 ABAM Investigator Annual Report

The Annual Brome Adaptive Management (ABAM) project is a consortium of seven parks in the Northern Great Plains working together to better understand how to control invasive annual grasses (including Bromus species) through an adaptive management approach. This approach is supported by a quantitative model that uses current data from standardized vegetation monitoring plots in all seven...
Authors
Amy Symstad
By
Ecosystems Mission Area, Northern Prairie Wildlife Research Center

Appendix C: Exposure and effects of bioaccumulative contaminants of emerging concern in tree swallows nesting across the Laurentian Great Lakes Appendix C: Exposure and effects of bioaccumulative contaminants of emerging concern in tree swallows nesting across the Laurentian Great Lakes

No abstract available.
Authors
Christine M. Custer, T. W. Custer, Paul M. Dummer
By
Ecosystems Mission Area, Upper Midwest Environmental Sciences Center

Landscape change, fire and erosion Landscape change, fire and erosion

New Mexico has a dynamic landscape, which will become even more so in response to climate change over the next 50 years, in part because of increasing incidence of wildfire. As the climate changes to warmer conditions, less rainfall will infiltrate into aquifers, leading to increased overland runoff. Landform processes can be complex, but in general, the predicted changes in climate and
Authors
Anne C. Tillery, Leslie D. McFadden, Craig Allen
By
Water Resources Mission Area, New Mexico Water Science Center

Supplemental vegetation monitoring plots at Wind Cave National Park to accelerate learning of the Annual Brome Adaptive Management (ABAM) model Supplemental vegetation monitoring plots at Wind Cave National Park to accelerate learning of the Annual Brome Adaptive Management (ABAM) model

The Annual Brome Adaptive Management (ABAM) project is a consortium of seven parks in the Northern Great Plains (NGP) working together to better understand how to control invasive annual grasses (including Bromus species) through an adaptive management approach. This approach is supported by a quantitative model that uses current data from standardized vegetation monitoring plots in all...
Authors
Amy Symstad, Timm Richardson
By
Ecosystems Mission Area, Northern Prairie Wildlife Research Center

Soils Soils

Soils play a strong role in determining how New Mexico’s diverse landscapes will respond to climate change. Soil cover acts like a sponge, holding in water that falls as rain or snow. The presence of soil supports vegetation, and substantially reduces runoff and erosion. Soil enhances other processes such as infiltration of water and aquifer recharge. Soils can be damaged by a warming...
Authors
Leslie D. McFadden, Anne C. Tillery, Craig Allen
By
Water Resources Mission Area, New Mexico Water Science Center
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