Products

We identify issues and uncertainties that pose obstacles to conservation and then—in collaboration with internal and external colleagues—develop science products that help overcome those obstacles.

2017 | Terrestrial | Science | Publications & Reports

Persistence of historical population structure in an endangered species despite near-complete biome conversion in California’s San Joaquin Desert

Jonathan Q. Richmond, Dustin A. Wood, Michael F. Westphal, Amy G. Vandergast, Adam D. Leache, Lawrence R. Saslaw, H. Scott Butterfield, Robert N. Fisher

This paper uses novel genetic approaches to document how land conversion in the San Joaquin Desert has affected population connectivity and relatedness in the endangered blunt-nosed leopard lizard.…

2017 | Terrestrial | Science | Publications & Reports

Bill morphology and neutral genetic structure both predict variation in acoustic signals within a bird population

Kathryn M. Langin, T. Scott Sillett, Scott A. Morrison, Cameron K. Ghalambor

Island Scrub-Jays, a species restricted to 250 km2 Santa Cruz Island, CA, have different bill forms depending on whether they occupy oak or pine dominated habitat, a pattern that may be associated…

2017 | Marine | Technology | Video

Big Data and the Deep Blue Sea

The Nature Conservancy, Matt Merrifield

Nearly half of the world depends on seafood for their main source of protein. In the Western and Central Pacific, where 60% of the world’s tuna is caught, illegal, unreported, and unregulated…

2017 | Freshwater | Terrestrial | Economics | Publications & Reports

Market-Based Mechanisms For Securing Environmental Water In California

Sarah Heard, Siobhan King, Eric Hallstein

California’s water supply is becoming increasingly unreliable. During dry times, consumptive use often outstrips supplies. As a result, people and nature suffer. This imbalance of supply and…

2017 | Freshwater | Terrestrial | Planning | Science | Publications & Reports

Population and habitat objectives for avian conservation in California’s Central Valley riparian ecosystems

Kristen E. Dybala, Neil Clipperton, Thomas Gardali, Gregory H. Golet, Rodd Kelsey, Stefan Lorenzato, Ron Melcer, Jr., Nathaniel E. Seavy, Joseph G. Silveira

The Conservancy and partners are working to establish riparian ecosystems that provide sufficient habitat to support genetically robust, self-sustaining, and resilient bird populations in…

2017 | Terrestrial | Planning | Science | Publications & Reports

A General Framework for Setting Quantitative Population Objectives for Wildlife Conservation

Kristen E. Dybala, Neil Clipperton, Thomas Gardali, Gregory H. Golet, Rodd Kelsey, Stefan Lorenzato, Ronald Melcer, Jr., Nathaniel Seavy, Joseph G. Silveira, Gregory S. Yarris

Quantitative population objectives are necessary to achieve conservation goals of secure or robust wildlife populations, however, existing methods for setting them often require extensive…

2017 | Terrestrial | Science | Publications & Reports

Oren Pollak Memorial Research Fund - 2017 Annual Report

Brynn Pewtherer

The Oren Pollak Memorial Research Fund was established in 2000 in memory of Dr. Oren Pollak, a leading grassland ecologist and restoration pioneer, as well as an ardent champion and mentor for…

2017 | Freshwater | Terrestrial | Planning | Publications & Reports

Informing watershed planning and policy in the Truckee River basin through stakeholder engagement, scenario development, and impact evaluation

Kristen Wilson, Erik Lowe, Stacey Wolny, Barry Nickel , Rodd Kelsey

This study demonstrates how science-based planning with stakeholder input can improve and direct conservation investments across existing state and jurisdictional boundaries. The authors set out to…

2017 | Terrestrial | Science | Publications & Reports

Protocols for Argentine ant eradication in conservation areas

C. L. Boser, C. Hanna, D. A. Holway, K. R. Faulkner, I. Naughton, K. Merrill, J. M. Randall, C. Cory, D.H. Choe , S. A. Morrison

Argentine ants are highly invasive and ecologically damaging. This paper presents a method demonstrated to reduce even large-scale (~400 ha) infestations to non-detectable levels. This protocol…

2017 | Terrestrial | Science | Publications & Reports

The relationship between female brooding and male nestling provisioning: does climate underlie geographic variation in sex roles?

Jongmin Yoon , Helen R. Sofaer, T. Scott Sillett , Scott A. Morrison, Cameron K. Ghalambor

Climate is an important factor in how birds apportion time tending their nests, e.g., how much time they spend brooding versus foraging. This study examines how the roles of males and females of one…

2017 | Freshwater | Planning | Publications & Reports

Water for nature: What we can do today to help California’s rivers, streams and wetlands

Burns, C.E., A. Hoss, N. Smith, K. Klausmeyer, K. Fesenmeyer, A. Campbell, J. Carah, E. Forsburg, S. Heard, J.K. Howard, L. Hulette, S. Liu, P. Spraycar, B. Stranko, G. Werner, D. Wordham

This report identifies a set of strategies that will have the greatest impact on environmental flows, and to provide a resource for conservation organizations, resource agencies, and other…

2016 | Marine | Economics | Science | Publications & Reports

Market and design solutions to the short-term economic impacts of marine reserves

Daniel Ovando, Dawn Dougherty, Jono R. Wilson

No-take marine reserves are a management intervention that can provide long-term fishery benefits. But, impacts of reserve implementation can negatively affect fishermen profits in the short term.…