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.
Theodore E. Grantham, Daren M. Carlisle, Jeanette Howard, Belize Lane, Robert Lusardi, Alyssa Obester, Samuel Sandoval-Solis, Bronwen Stanford, Eric D. Stein, Kristine T. Taniguchi-Quan, Sarah M. Yarnell, Julie K. H. Zimmerman
Protecting water in rivers is made more challenging by the lack of quantitative estimates of the amount of water required to protect river ecosystems. The authors developed a model and made…
Kate Longley-Wood, Mary Engels , Kevin D. Lafferty, John P. McLaughlin, Alex Wegmann
Native forests on tropical islands have been displaced by non-native species, leading to calls for their transformation. Simultaneously, there is increasing recognition that tropical forests can help…
Sarah M. Yarnell, Ann Willis, Alyssa Obester, Ryan A. Peek, Robert A. Lusardi, Julie Zimmerman, Theodore E. Grantham, Eric D. Stein
Very few rivers have protections to protect flow for species and ecosystems, in part because of the complexity and resources required to develop ecological flow criteria - the amount of water needed…
John C. Stella, Li Kui, Gregory H. Golet, Frank Poulsen
Streamside forests are incredibly important for fish, birds and other wildlife. They are also valuable for storing carbon which is needed to combat climate change. This is especially the case in…
Case study by: K.D. Holl, G.H. Golet
Advancing conservation requires understanding the constraints imposed on natural systems by human societies. This understanding typically comes from engagement with local stakeholders, as opposed…
O.J. Robinson, V. Ruiz-Gutierrez, M.D. Reynolds, G.H. Golet, M. Strimas-Mackey and D. Fink
Information on species’ habitat associations and distributions, across wide spatial and temporal scales, is fundamental for guiding conservation. Yet these data are often in short supply. In…
Case study by: Khara Strum (Audubon California), Kristin Sesser (Point Blue Conservation Science), Greg Golet (TNC)
This case study communicates lessons learned by TNC and partners from years of research and monitoring of habitat enhancement projects in Sacramento Valley rice agriculture. It is a contribution to…
Moses Katkowski, H. Scott Butterfield, John Knapp, Kelly Easterday, Laura Riege, Mark Reynolds
This 5-year action plan describes the vision for invasive plant species mapping, monitoring and treatment at the Jack and Laura Dangermond Preserve in Sourthern California. The plan is adaptive and…
Maria C Viteri, Mary Allison Stegner, Elizabeth A. Hadly
Biodiversity monitoring is a core part of conservation practice, however all sampling methods include biases. In particular, small mammal live-trapping, the field standard, produces highly skewed…
Eric D. Stein, Julie Zimmerman, Sarah M. Yarnell, Bronwen Stanford, Belize Lane, Kristine T. Taniguchi-Quan, Alyssa Obester, Theodore E. Grantham, Robert A. Lusardi, Samuel Sandoval-Solis
The first step to protecting rivers is figuring out how much water they need to protect species and ecological functions - known as ecological flow criteria. Scientists have struggled to develop flow…
Kelsey Jessup, Sophie S. Parker, John M. Randall, Brian S. Cohen, Rowan Roderick-Jones, Shona Ganguly, Jill Sourial
This paper presents results from Planting Stormwater Solutions, part of TNC’s Urban Conservation work in Los Angeles. The authors develop a methodology to prioritize siting of vegetated…
S. L. Hamilton, V. R. Saccomanno, W. N. Heady, A. L. Gehman, S. I. Lonhart, R. Beas-Luna, F. T. Francis, L. Lee, L. Rogers-Bennett, A. K. Salomon and S. A. Gravem
The sunflower sea star (Pycnopodia helianthoides) is an important mesopredator in kelp forest ecosystems that was devastated by the outbreak of sea star wasting disease (SSWD). This study quantifies…
P. Manley, K. Wilson, N. Povak
The Framework for Resilience offers a shared vision for resilience that recognizes the interdependent nature of social and ecological values. These values are described by ten pillars that represent…
Kristen Wilson, Dale W. Johnson, Douglas F. Ryan, ed.
Authored by TNC staff and colleague, Chapter 8 of this report synthesizes environmental monitoring and studies performed at Sagehen Experimental Forest that are relevant to water quality regulatory…
Charlotte Stanley, Alyssa Mann, Walter Heady
The United States operates thousands of military installations in the U.S. and worldwide, worth about $1.2 trillion. These facilities are where personnel train and test weaponry, with…
Walter Heady, Alyssa Mann, Stacey Solie, Bob Battalio, James Jackson, Kendall Lousen, and Bob Barnes
The U.S. Congress and the Department of Defense (DoD) have determined that climate change is a threat to national security and have required military installations to develop plans to improve the…
Alyssa Mann, Walter Heady, Charlotte Stanley
TNC and the United States Navy partnered together to prepare for the impacts of climate change on Naval Base Ventura County (NBVC), Point Mugu in California. NBVC is a critical and strategic asset of…
Christopher Dillis, Van Butsic, Jennifer Carah, Samuel Zipper, Theodore Grantham
Water management practices for cannabis farming in California are not well understood. This study examined permit reporting data and found that the vast majority (>75%) of permitted cannabis farms…