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.
Robert I. McDonald, Tanushree Biswas, Cedilla Sachar, Ian Housman, Timothy M. Boucher, Deborah Balk, David Nowak, Erica Spotswood, Charlotte K. Stanley, Stefan Leyk
Urban tree cover provides benefits to human health and well-being, but it is often inequitably distributed. In this study, researchers Google Earth Engine (GEE) and an automated machine learning…
Alyssa E. Semerdjian, H. Scott Butterfield, Robert Stafford, Michael F. Westphal, William T. Bean
This paper in the Journal of Wildlife Management combines nearly 20 years of remote sensing, field/trapping, and modeling data to develop a new approach to the identification and prioritization of…
Kirk Klausmeyer, Jeanette Howard, Melissa Rohde, Charlotte Stanley
The first step to sustainably manage groundwater dependent ecosystems (GDEs) is to identify where they are. The Nature Conservancy developed a statewide spatial database that provides locations of…
Tom Baribault, Daniel Porter, Jessica Burton Desrocher, Douglas Larmour, Mark Rasmussen, Roy Anderson
The Tahoe-Central Sierra Initiative (TCSI) area has seen recent megafires and is highly developed, making the risk new of human-caused wildfire ignitions high. In this report, experts from Mason Bruce…
Daniel Porter, Robert Longcor
Forests of the Sierra Nevada and across the western U.S. are under unprecedented threat from catastrophic wildfire, insect outbreaks, and drought. In this briefing paper, which was developed as a…
Sydney J. Chamberlin, Michelle Passero, Ashley Conrad-Saydah, Tanushree Biswas, Charlotte K. Stanley
California’s natural and working lands – its forests, grasslands, wetlands, farmlands, rangeland, and urban green spaces – provide Californians with numerous environmental, social,…
Mary Kang, Debra Perrone, Ziming Wang, Scott Jasechko, Melissa M. Rohde
To ensure that California’s groundwater is sustainably managed in the future and over the long-term, current state definitions of what constitutes groundwater may need to be revised, according…
Sophie S. Parker, Andy Zdon, William T. Christian, Brian S. Cohen, Maura Palacios Mejia, Naomi S. Fraga, Emily E. Curd, Kiumars Edalati, Mark A. Renshaw
This paper presents results from the Mojave Desert Springs research project, and discusses why the conservation of these groundwater-dependent ecosystems is so critical to biodiversity. The authors…
Maura Palacios Mejia, Emily Curd, Kiumars Edalati, Mark A. Renshaw, Roy Dunn, Daniel Potter, Naomi Fraga, Jenna Moore, Justin Saiz, Robert Wayne, Sophie S. Parker
This paper presents results from the Mojave Desert Springs research project. The authors used an environmental DNA (eDNA) technique to assess biodiversity at four naturally occurring springs. They…
Brian Cohen, Kelsey Jessup, Sophie Parker, John Randall, Jill Sourial
Cities across Southern California are investing in new infrastructure to address the challenges of stormwater management. We promote the use of nature-based solutions to ensure projects both treat…
Ethan Inlander, Katie Andrews, Contributors: Jennifer Chin, Sue Pollock, Mike McFadden, Scott Hardage, Scott Butterfield, Tod Rubin
With this publication, TNC in California marks a major shift in its approach to conservation easement monitoring. At the crossroads of conservation, stewardship and technology lies remote property…
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…
Butterfield, H.S., M. Katkowski, J. Cota, O. Sage, C. Sage, K. Easterday, D. Zeleke, L. Riege, S. Gennet, K. Lin, B. Leahy, M. Bell, M. Reynolds
Cattle grazing is the dominant land management tool TNC has to manage biodiversity and reduce the threat of catastrophic wildfire at the TNC's Jack and Laura Dangermond Preserve. This…
Butterfield, H.S., M. Reynolds , M.G. Gleason, M. Merrifield, B.S. Cohen, W.N. Heady, D. Cameron, T. Rick, E. Inlander, M. Katkowski, L. Riege, J. Knapp, S. Gennet, G. Gorga, K. Lin, K. Easterday, B. Leahy, M. Bell
This Plan frames the biological and cultural significance and provides the short- and long-term goals, objectives, and priority actions for the Jack and Laura Dangermond Preserve.
Christopher J. Lortie, Jenna Braun, Michael Westphal, Taylor Noble, Mario Zuliani, Emmeleia Nix, Nargol Ghazian, Malory Owen, H. Scott Butterfield
This paper evaluates how endangered species with highly restricted habitat needs and increasingly small population sizes (using blunt-nosed leopard lizard as our example), select and use available…
Annalise Taylor, Tanushree Biswas, John M. Randall, Kirk Klausmeyer, Brian Cohen
In Western North America, droughts are expected to increase in frequency and intensity as the region’s climate changes. Over past decades, land managers on Santa Cruz Island, California…
Laura S. Brophy, Correigh M. Greene, Van C. Hare, Brett Holycross, Andy Lanier, Walter N. Heady, Kevin O’Connor, Hiroo Imaki, Tanya Haddad, Randy Dana
The authors of this study generated new maps of current and historical tidal wetlands in 450 estuaries throughout Washington, Oregon, and California. Using laser-mapping technology known as LIDAR…
Summary available in English and Spanish.