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Southwest Biological Science Center

The SBSC provides sound science, specialized expertise, and objective and timely tools to Federal and State agencies and the public to inform land management decision-making, and support thriving landscapes for the Southwest’s abundant natural resources and vast public lands. This research assists those who manage, conserve, and rehabilitate rivers and arid regions of the nation.

News

RAMPS Newsletter - Fall 2025

RAMPS Newsletter - Fall 2025

September 22nd: Art and Science Converge at USGS for a Flagstaff Festival of Science Exhibition

September 22nd: Art and Science Converge at USGS for a Flagstaff Festival of Science Exhibition

Genetic Divide Among Humpback Chub in Grand Canyon?

Genetic Divide Among Humpback Chub in Grand Canyon?

Publications

Rising rates of wildfire building destruction in the conterminous United States Rising rates of wildfire building destruction in the conterminous United States

Many regions of the world have seen an increase in highly destructive wildfires, driven by well-documented increases in burned area and growth of housing in the wildland–urban interface (WUI), which exposes more homes to fire. However, it is unclear whether wildfires are also becoming more destructive due to changes in wildfire behavior or in the development patterns of exposed...
Authors
Amanda Carlson, Todd Hawbaker, Miranda Mockrin, Volker Radeloff, Lucas Bair, Mike Caggiano, James Meldrum, Patricia Alexandre, H. Kramer, Paul Steblein

Assessment of dragonfly and damselfly (Odonata) occupancy and habitat suitability at −12 Mile Slough, Glen Canyon National Recreation Area, Arizona Assessment of dragonfly and damselfly (Odonata) occupancy and habitat suitability at −12 Mile Slough, Glen Canyon National Recreation Area, Arizona

Management practices that enhance habitat complexity in dam tailwaters often aim to increase biodiversity and improve ecosystem health. However, in other instances, management practices may simplify habitat features to help minimize the establishment of invasive species. These tradeoffs are complex, particularly in the face of drought and warming water temperatures. In Glen Canyon...
Authors
Anya Metcalfe, Morgan Ford, Lawrence Stevens, Theodore Kennedy

Rapid structured decision making for Hypomesus transpacificus (delta smelt) summer–fall freshwater outflow management Rapid structured decision making for Hypomesus transpacificus (delta smelt) summer–fall freshwater outflow management

Managers of the Central Valley Project (CVP) and State Water Projects (SWP) in California are confronted with difficult tradeoffs between water uses and associated values affected by water management decisions. These decisions involve altering the timing and magnitude of water releases from dams and reservoirs, which can affect habitats for economically important and Federally and State...
Authors
Brian Healy, Corey Phillis, Brian Mahardja, Cameron Koizumi, Catarina Pien, Nancy Parker, J. Conrad, Julie Ekstrom, Julie Leimbach, Rafael Silberblatt, Tom Fischer, Chase Ehlo

Science

USGS Science Syntheses for Public Lands Management

Scientific information is fundamental to understanding how proposed actions on public lands may impact the environment. Development of new science is occurring at rates that can make it challenging for biologists, resource managers, decision makers, private landowners, and other stakeholders to ensure they are using up-to-date, high-quality science information to inform their decisions. Further...
USGS Science Syntheses for Public Lands Management

USGS Science Syntheses for Public Lands Management

Scientific information is fundamental to understanding how proposed actions on public lands may impact the environment. Development of new science is occurring at rates that can make it challenging for biologists, resource managers, decision makers, private landowners, and other stakeholders to ensure they are using up-to-date, high-quality science information to inform their decisions. Further...
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