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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

Tree rings provide an important multi-century context for the current wildfire crisis

Tree rings provide an important multi-century context for the current wildfire crisis

Amphibian Week with USGS: Science for Healthy Habitats

Amphibian Week with USGS: Science for Healthy Habitats

Art of Inquiry: Celebrating a semester of Art & Science at the Flagstaff Stemmy Awards

Art of Inquiry: Celebrating a semester of Art & Science at the Flagstaff Stemmy Awards

Publications

Whatever it takes— Shaping the L&O Letters Early Career Publication Honor to deliver true benefit Whatever it takes— Shaping the L&O Letters Early Career Publication Honor to deliver true benefit

There are clear advantages for those who openly share their research. Publishing Open Access (OA) articles can increase author visibility (McCabe and Snyder 2014), improve productivity metrics (i.e., more diverse and higher citation rates; Huang et al. 2024; Piwowar et al. 2018), widen collaborative networks (Tai and Robinson 2018), and help secure future funding and/or comply with...
Authors
Rita M. Franco-Santos, Bridget Deemer, Laura J. Falkenberg, Mary R. Gradoville, Scott Hotaling, Erin K. Peck

Timing, uncertainty, and opportunity cost: Lessons for ecosystem modification on the Colorado River Timing, uncertainty, and opportunity cost: Lessons for ecosystem modification on the Colorado River

While conservation goals have long been pursued through traditional species-augmenting actions, a broader set of episodic ecosystem modification (EEM) actions, such as hydropower dam releases, prescribed fire, and beach nourishment, is garnering attention. EEM actions face several implementation challenges stemming from high opportunity costs, delayed effect mechanisms, reliance on...
Authors
Pierce Donovan, Lucas Bair, Matthew N. Reimer, Michael R. Springborn, Charles B. Yackulic

Integrating mark-recapture, catch, and expert habitat assessments to quantify recent increases in humpback chub abundance over a 200 km long river segment of the Colorado River in western Grand Canyon Integrating mark-recapture, catch, and expert habitat assessments to quantify recent increases in humpback chub abundance over a 200 km long river segment of the Colorado River in western Grand Canyon

Humpback chub, Gila cypha, were historically distributed throughout large portions of the Colorado River basin and were federally listed in 1967. In the Grand Canyon segment of the Colorado River, located below Glen Canyon Dam, chub abundances continued to decline through the early 2000s. Recently, catch has increased substantially, especially in the western Grand Canyon. Here, we...
Authors
Maria C. Dzul, David R. Van Haverbeke, Kirk Young, Charles B. Yackulic, Pilar Rinker, Michael D. Yard

Science

Copper mining, critical minerals, and long-term drought in the Southwest United States

Long-term drought in the Southwest U.S. affects water use across many sectors as well as the natural environment. The Southwest U.S. is an important area for mining porphyry copper deposits, which consist of copper minerals disseminated in breccia, a type of rock composed of coarse rock fragments held together by cement or a fine-grained matrix, that are the World's largest source of copper...
Copper mining, critical minerals, and long-term drought in the Southwest United States

Copper mining, critical minerals, and long-term drought in the Southwest United States

Long-term drought in the Southwest U.S. affects water use across many sectors as well as the natural environment. The Southwest U.S. is an important area for mining porphyry copper deposits, which consist of copper minerals disseminated in breccia, a type of rock composed of coarse rock fragments held together by cement or a fine-grained matrix, that are the World's largest source of copper...
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Enhancing Rangeland Recovery by Forecasting Seed Establishment

This project is synthesizing information about plant establishment and building a tool to deliver forecasts of restoration success, helping to maximize the chances that restoration efforts will be successful.
Enhancing Rangeland Recovery by Forecasting Seed Establishment

Enhancing Rangeland Recovery by Forecasting Seed Establishment

This project is synthesizing information about plant establishment and building a tool to deliver forecasts of restoration success, helping to maximize the chances that restoration efforts will be successful.
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New Tools for Modern Land Management Decisions

In an era of rapid land use changes, it is imperative that land managers and policymakers have actionable and current information available for decision processes. In this work, we seek to meet these needs through new data products and decision support tools built on digital soil mapping, new vegetation cover maps, agency inventory and monitoring data sets, and cutting-edge analytical frameworks...
New Tools for Modern Land Management Decisions

New Tools for Modern Land Management Decisions

In an era of rapid land use changes, it is imperative that land managers and policymakers have actionable and current information available for decision processes. In this work, we seek to meet these needs through new data products and decision support tools built on digital soil mapping, new vegetation cover maps, agency inventory and monitoring data sets, and cutting-edge analytical frameworks...
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