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.

2019 | Freshwater | Science | Publications & Reports

Rapid and Accurate Estimates of Streamflow Depletion Caused by Groundwater Pumping Using Analytical Depletion Functions

Samuel C. Zipper, Tom Gleeson, Ben Kerr, Jeanette K. Howard, Melissa M. Rohde, Jennifer Carah, Julie Zimmerman

Reductions in streamflow from groundwater pumping can negatively impact water users and aquatic ecosystems but are challenging to estimate due to the time and expertise required to develop numerical…

2019 | Freshwater | Terrestrial | Planning | Technology | Science | Publications & Reports

Biodiversity Analysis in Los Angeles (BAILA) Report

Parker SS, Randall JM, Pauly GB, Li E, Brown BV, Cohen BS

This report is a product of the Biodiversity Analysis in Los Angeles (BAILA) project. It provides details on why we conducted our analysis, how the partnership between the Museum and the Conservancy…

2019 | Terrestrial | Planning | Technology | Economics | Science | Publications & Reports

Power of Place: Land Conservation and Clean Energy Pathways for California

Grace C. Wu, Emily Leslie, Douglas Allen, Oluwafemi Sawyerr, D. Richard Cameron, Erica Brand, Brian Cohen, Marcela Ochoa, Arne Olson

California has ambitious climate and energy policies that call for the development of significant amounts of new zero-carbon energy by midcentury. The Power of Place study looks at multiple pathways…

2019 | Freshwater | Terrestrial | Planning | Technology | Science | Data

Biodiversity Analysis in Los Angeles (BAILA) data

Enjie Li, Sophie S. Parker, Gregory B. Pauly, John M. Randall, Brian V. Brown, Brian S. Cohen

This dataset is a product of the Biodiversity Analysis in Los Angeles (BAILA) project, and demonstrates a new way to evaluate urban biogeography—patterns in the distribution of species across…

2019 | Freshwater | Terrestrial | Planning | Technology | Science | Publications & Reports

An urban biodiversity assessment framework that combines an urban habitat classification scheme and citizen science data

Enjie Li, Sophie S. Parker, Gregory B. Pauly, John M. Randall, Brian V. Brown, Brian S. Cohen

This paper presents a new way to evaluate urban biogeography—patterns in the distribution of species across urban areas. The authors developed a hierarchical, quantitative method for classifying…

2019 | Marine | Technology | Science | Publications & Reports

eCatch: Enabling collaborative fisheries management with technology

Matt Merrifield, Mary Gleason, Lyall Bellquist, Kate Kauer, Dwayne Oberhoff, Chad Burt, Steve Reinecke, Michael Bella

In 2006, The Nature Conservancy of California purchased 13 federal groundfish permits in California with the objective of managing the fishing and reporting activities in a manner that protected…

2019 | Freshwater | Technology | Science | Maps & Webmaps

GDE Pulse: Monitoring Groundwater Dependent Ecosystems with Satellites

Kirk Klausmeyer, Falk Schuetzenmeister, Nathaniel Rindlaub, Tanushree Biswas, Melissa M. Rohde, Jeanette Howard

94,333 unique ecosystems depend on groundwater in California. GDE Pulse lets you see how they have changed over the last 30 years.  Groundwater managers and environmental stakeholders often lack…

2019 | Freshwater | Economics | Publications & Reports

SGMA's First Groundwater Market: An Early Case Study from Fox Canyon

Sarah Heard, E.J. Remson, Matthew Fienup, Siobhan King

In 2014, California passed the Sustainable Groundwater Management Act (SGMA) which regulates groundwater at scale for the first time, requiring the state’s largest source of stored water to be…

2019 | Terrestrial | Planning | Publications & Reports

Restoring Forests through Partnership: Lessons Learned from the French Meadows Project

David Edelson, Angel Hertslet

There is an urgent need to increase the pace and scale of forest restoration in the Sierra Nevada and throughout the West to reduce the risk of high-severity wildfire and promote more resilient forest…

2019 | Freshwater | Planning | Science | Publications & Reports

Conservation Planning Foundation for Restoring Chinook Salmon (Oncorhynchus tshawytscha) and O. mykiss in the Stanislaus River

Prepared by Anchor QEA, LLC (John Ferguson, Elizabeth Greene, and Michelle L. Ratliff), Contributors and Participants: John Cain, Jon Rosenfield, Alison Weber-Stover, Stephen Louie, John Shelton, Tim Heyne, Brian Ellrott, Sierra Franks, Monica Gutierrez, Rhonda Reed, David Swank, Steve Edmundson, Katie Schmidt, Rachel Johnson, Jeanette Howard, Julie Zimmerman, Chris Carr, Daniel Worth, Rene Henery, Ron Yoshiyama, Joshua Israel, Paul Cadrett, Ramon Martin, and J.D. Wikert

Also view Appendix A: Stanislaus Survival Model and and other report Appendices.  

2019 | Freshwater | Terrestrial | Science | Publications & Reports

The dark side of facilitation: native shrubs facilitate exotic annuals more strongly than native annuals

Jacob E. Lucero, Taylor Noble, Stephanie Haas, Michael Westphal, H. Scott Butterfield, Christopher J. Lortie

Previous work at the Carrizo Plain by this team in 2018 showed that native shrubs facilitated endangered blunt-nosed leopard lizard populations, and should be considered part of plans for habitat…

2019 | Terrestrial | Planning | Technology | Science | Maps & Webmaps

Planning for connectivity implementation in present-day California and for a changing future: a 3-D web-tour

Carrie Schloss, Dick Cameron, Nathaniel Rindlaub, Connor Shank

This interactive, web-based tour provides an accessible introduction to The Nature Conservancy’s analysis of wildlife movement routes for climate adaptation in California. Viewing these pathways…

2019 | Terrestrial | Planning | Technology | Science | Publications & Reports

Circuit-theory applications to connectivity science and conservation

Brett G. Dickson, Christine M. Albano, Ranjan Anantharaman, Paul Beier, Joe Fargione, Tabitha A. Graves, Miranda E. Gray, Kimberly R. Hall, Josh J. Lawler, Paul B. Leonard, Caitlin E. Littlefield, Meredith L. McClure, John Novembre, Carrie A. Schloss, Nathan H. Schumaker, Viral B. Shah, David M. Theobald

The authors explore the impact that Brad McRae’s development of circuit theory and the associated software, Circuitscape, have had, and continue to have, on connectivity science and…

2019 | Terrestrial | Planning | Science | Publications & Reports

Making habitat connectivity a reality

Annika T. H. Keeley, Galli Basson, D. Richard Cameron, Nicole E. Heller, Patrick R. Huber, Carrie A. Schloss, James H. Thorne, Adina M. Merenlender

Connectivity conservation must move more rapidly from planning to implementation. We provide an evidence‐based solution composed of key elements for successful on‐the‐ground…

2019 | Terrestrial | Marine | Science | Publications & Reports

Globally important islands where eradicating invasive mammals will benefit highly threatened vertebrates

Holmes ND, Spatz DR, Oppel S, Tershy B, Croll DA, et al.

Restoring islands by eradicating damaging, non-native invasive mammals such as rats, cats, goats, and pigs has repeatedly proven to be a high impact conservation action. New research…

2019 | Terrestrial | Marine | Science | Publications & Reports

Future Directions in Conservation Research on Petrels and Shearwaters

Rodríguez A, Arcos JM, Bretagnolle V, Dias MP, Holmes ND, Louzao M, Provencher J, Raine AF, Ramírez F, Rodríguez B, Ronconi RA, Taylor RS, Bonnaud E, Borrelle SB, Cortés V, Descamps S, Friesen VL, Genovart M, Hedd A, Hodum P, Humphries G, Le Corre M, Lebarbenchon C, Martin R, Melvin EF, Montevecchi WA, Pinet P, Pollet IL, Ramos R, Russell JC, Ryan PG, Sanz-Aguilar A, Spatz DR, Travers M, Votier SC, Wanless RM, Woehler E, Chiaradia A

Seabirds are amongst the most engaged species on our planet. Among these are petrels and shearwaters: species characterized by long ocean journeys for migration and feeding, and a dependence on…