Kirk Klausmeyer

Director of Data Science
Technology
[email protected]

In The Nature Conservancy’s California Chapter, Kirk applies drones, big data, and other emerging technologies to address pressing environmental challenges in California.  Kirk's recent work includes a project to estimate natural flows in rivers using machine learning , a web-app to monitor groundwater dependent ecosystems using remote sensing, and an annual survey to map kelp forests using drones. Kirk has authored 15 publications in peer-reviewed journals during his time at the Conservancy.  

Before he joined the Conservancy, Kirk worked as an independent developer and an environmental consultant. He holds a B.A. in environmental studies and economics from Dartmouth College and M.A. in planning from the University of California, Berkeley.

What Kirk is working on now:

I am currently analyzing stream flow data to determine the best places to restore natural flows in California's rivers.  I am leading an effort to develop a webmap to highlight locations where rivers and groundwater interact to provide cool consistent water to freshwater ecosystems.  I am also using remote sensing and drone data to track changes in kelp forests over time. 


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2023 | Freshwater | Microsite

Drought Flows Monitor

Julie Zimmerman, Jennifer Carah, Kirk Klausmeyer, Gabe Rossi, Mia Van Docto, Jeanette Howard, Charlie Schneider, Matt Clifford, Monty Schmitt

Drought conditions are occurring with more frequency, greater severity, and longer duration under climate change. Human water use compounds the effects of drought, further stressing California’s…

2022 | Marine | Technology | Science | Publications & Reports

Using unoccupied aerial vehicles to map and monitor changes in emergent kelp canopy after an ecological regime shift

Vienna R. Saccomanno, Tom Bell, Camille Pawlak, Charlotte K. Stanley, Katherine C. Cavanaugh, Rietta Hohman, Kirk R. Klausmeyer, Kyle Cavanaugh, Abby Nickels, Waz Hewerdine, Corey Garza, Gary Fleener, Mary Gleason

Kelp forests are complex underwater habitats that provide valuable services for both people and nature. Despite their importance, increasingly severe stressors have resulted in declines in kelp…

2022 | Freshwater | Planning | Science | Publications & Reports

A Machine Learning Approach to Predict Groundwater Levels in California Reveals Ecosystems at Risk

Melissa M. Rohde, Tanushree Biswas, Ian W. Housman, Leah S. Campbell, Kirk R. Klausmeyer, Jeanette Howard

Groundwater dependent ecosystems (GDEs) are increasingly threatened worldwide, but the shallow groundwater resources that they are reliant upon are seldom monitored. In this study, the researchers…

2022 | Freshwater | Planning | Science | Maps & Webmaps

SAGE: Shallow Groundwater Estimation Tool

Melissa M. Rohde, Tanushree Biswas, Ian W. Housman, Leah S. Campbell, Kirk R. Klausmeyer, Jeanette Howard

Groundwater dependent ecosystems (GDEs) are critical habitats throughout California that rely on shallow groundwater. Unfortunately, only a small subset of wells provide monitoring data for shallow…

2021 | Freshwater | Science | Maps & Webmaps

California Natural Flows Webapp

Julie K.H. Zimmerman, Daren M. Carlisle, Jason T. May, Kirk R. Klausmeyer, Theodore E. Grantham, Larry R. Brown, Jeanette K. Howard, Nathaniel Rindlaub, Falk Schuetzenmeister

Water is essential for California’s people, economy, and environment. Centuries of water management through dams and diversion have altered the flows in many streams and rivers, which can harm…

2021 | Freshwater | Planning | Maps & Webmaps

ICONS: Interconnected Surface Water in the Central Valley

Charlotte Stanley, Kirk Klausmeyer

This dataset categorizes the rivers and streams in the Central Valley on the likelihood that they are interconnected surface water (ISW) -- surface water hydraulically connected to groundwater. The…

2019 | Terrestrial | Technology | Science | Publications & Reports

Parched pines: a quantitative comparison of two multi-year droughts and associated mass mortalities of bishop pine (Pinus muricata) on Santa Cruz Island, California

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…

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…


2018 | Freshwater | Terrestrial | Marine | Planning | Science | Publications & Reports

Conserving California's Coastal Habitats: A Legacy and a Future with Sea Level Rise

Walter N. Heady, Brian S. Cohen, Mary G. Gleason, Joshua N. Morris, Sarah G. Newkirk, Kirk R. Klausmeyer, Hilary R. Walecka, Elizabeth Gagneron

Sea level rise presents a new challenge to coastal conservation. The authors quantified and mapped the vulnerability of habitats, imperiled species, and conservation lands to sea level rise throughout…

2018 | Freshwater | Science | Microsite

Groundwater Resource Hub

Sandi Matsumoto, Gregg Werner, Melissa Rohde, Kirk Klausmeyer

Groundwater dependent ecosystems (GDEs) are plant and animal communities that require groundwater to meet some or all of their water needs. GDEs provide important benefits to California including…

2017 | Freshwater | Science | Publications & Reports

Patterns and magnitude of flow alteration in California, USA

Julie K H Zimmerman, Daren M. Carlisle, Jason T. May, Kirk R. Klausmeyer, Theodore E. Grantham, Larry R. Brown, Jeanette K. Howard

The importance of the natural flow regime to stream and river health has received growing attention in recent years. Understanding natural flows and patterns of flow alteration is an important first…

2017 | Marine | Technology | Science | Video

Aquaculture by Design, Tomales Bay

Serena Lomonico, Robert Jones, Torrey Johnson, Sarah Newkirk, Sarah Lummis, Kirk Klausmeyer, John Finger, Terry Sawyer, Richard James

Aquaculture is becoming an increasingly important global food source. With this growth comes urgent, unanswered questions about the interactions of aquaculture operations—both positive and…


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 | Freshwater | Maps & Webmaps

How and Where Nature Uses Groundwater

Kirk Klausmeyer, Jeanette Howard, Sandi Matsumoto, Sally Liu, Melissa Rohde

Groundwater is essential to the health and viability of plants, animals and ecosystems. Many tree species, like willows and cottonwoods, rely on groundwater to survive seasonal and annual dry spells.…

2015 | Freshwater | Planning | Maps & Webmaps

California’s Freshwater Conservation Blueprint map

Megan Webb, Kirk Klausmeyer, Jeanette Howard

The transformation of California into one of the most productive agricultural and urban landscapes in the world and a growing population have put unprecedented pressure on freshwater habitats,…

2015 | Freshwater | Science | Publications & Reports

California Freshwater Blueprint: Phase I Overview

Jeanette K. Howard, Kirk R. Klausmeyer, Kurt A. Fesenmyer

California is one of the most productive agricultural and urban landscapes in the world with a growing population. These pressures have reduced aquatic and wetland habitats to a small fraction of…

2015 | Freshwater | Marine | Publications & Reports

Aligning Natural Resource Conservation and Flood Hazard Mitigation in California

Juliano Calil, Michael W. Beck, Mary Gleason, Matthew Merrifield, Kirk Klausmeyer, Sarah Newkirk

The U.S. National Flood Insurance Program has paid out more than $38 billion in claims since its inception in 1968, more than a third of which has gone to the 1% of policies that experienced multiple,…

2015 | Freshwater | Planning | Data

California Freshwater Species Database v2

Jeanette Howard, Kirk Klausmeyer, Kurt Fesenmyer

The California Freshwater Species Database is the first comprehensive geospatial database of California’s freshwater species compiled and standardized into single format from nearly 500 sources.…

2015 | Freshwater | Planning | Science | Publications & Reports

Patterns of Freshwater Species Richness, Endemism, and Vulnerability in California

Jeanette K. Howard, Kirk R. Klausmeyer, Kurt A. Fesenmyer, Joseph Furnish, Thomas Gardali, Ted Grantham, Jacob V. E. Katz, Sarah Kupferberg, Patrick McIntyre, Peter B. Moyle, Peter R. Ode, Ryan Peek, Rebecca M. Quiñones, Andrew C. Rehn, Nick Santos, Steve Schoenig, Larry Serpa, Jackson D. Shedd, Joe Slusark, Joshua H. Viers, Amber Wright, Scott A. Morrison

The California Freshwater Species Database is the first comprehensive geospatial database of California’s freshwater species compiled and standardized into single format from nearly 500 sources.…

2014 | Terrestrial | Planning | Science | Maps & Webmaps

Actions Likely to Increase Plant and Animal Resilience to Climate Change

Kirk Klausmeyer

This webmap provides regional climate projections with information about topography, coastal proximity and level of habitat fragmentation to help land managers identify concrete conservation…

2013 | Terrestrial | Planning | Publications & Reports

Laying the Foundation: How Existing Conservation Areas Have Helped Prepare California for Climate Change

Klausmeyer, K, D. Cameron, S. Morrison

This study evaluated the existing network of conservation lands in California to determine the extent to which it includes landscape features that may be especially important for biodiversity…

2013 | Freshwater | Planning | Science | Publications & Reports

Below the Surface: California’s Freshwater Diversity

Jeanette Howard, Kirk Klausmeyer, Kurt Fesenmyer

Californians face profound decisions regarding the management of their state’s increasingly limited water supply. Critical for decision-making is information about the plants and animals that…

2012 | Terrestrial | Planning | Publications & Reports

Economic costs of achieving current conservation goals in the future as climate changes

M. Rebecca Shaw, Kirk Klausmeyer, D. Richard Cameron, Jason MacKenzie, Patrick Roehrdanz

Species will move around the landscape as the climate changes, presenting challenges for traditional conservation strategies like land acquisition. This paper models the cost and total land area that…

2012 | Freshwater | Publications & Reports

Where Does California’s Water Come From? Land conservation and the watersheds that supply California’s drinking water

Kirk Klausmeyer, Katie Fitzgerald

Key to protecting drinking water for all Californians is understanding the sources and health of the thier watersheds. This study maps California's surface drinking water sources, the watersheds…

2012 | Freshwater | Maps & Webmaps

California's Flood Risk: Green Solutions for an Uncertain Future

Kirk Klausmeyer, Megan Webb

Almost 9 million acres of California are at risk from flooding. These flood zones cover 16% of the state’s urban and suburban development, and 36% of the state’s land dedicated to…

2011 | Freshwater | Terrestrial | Marine | Planning | Science | Publications & Reports

The impact of climate change on California’s ecosystem services

Shaw, M.R., L. Pendleton, D.R. Cameron, B. Morris, D. Bachelet, K. Klausmeyer, J. MacKenzie, D.R. Conklin, G.N. Bratman, J. Lenihan, E. Haunreiter, C. Daly, P.R. Roehrdanz

As the climate warms, changes in ecosystems will impact human communities and livelihoods. This paper, together with a California Energy Commission Scenarios Report of the same name, explores the…

2011 | Freshwater | Marine | Planning | Publications & Reports

SalmonScape: Priorities for Conserving California’s Salmon and Steelhead Diversity

Jeanette Howard, Kirk Klausmeyer, Sally Liu

This report analyzed Chinook, coho salmon, and steelhead trout population and habitat data across California to identify a portfolio of places called the SalmonScape. SalmonScape identifies areas…

2011 | Freshwater | Marine | Planning | Maps & Webmaps

SalmonScape map

Megan Webb, Jeanette Howard , Kirk Klausmeyer, Sally Liu

The Conservancy's SalmonScape is an analysis and map that analyzed and ranked the watersheds that support or contribute to salmon habitat in California based on where conservation efforts…

2011 | Terrestrial | Science | Publications & Reports

Landscape-scale indicators of biodiversity's vulnerability to climate change

Klausmeyer, K. R., M. R. Shaw, J.B. MacKenzie, D.R.Cameron

This analysis provides an approach for distilling complex climate and landscape data into actions land managers can take to help plants and animals adapt to a changing climate. Based on historical…

2011 | Terrestrial | Planning | Publications & Reports

Northern Sierra Partnership Climate Adaptation Assessment

Cameron, D., K. Klausmeyer, J. Mackenzie, G. Low, L. Provencher

Climate change will impact plants and animals across the state, and conservationists are often unaware of the best way to address this threat. While much of the land in the Northern Sierra is public…

2011 | Terrestrial | Publications & Reports

Planning for Adaptation to Climate Change: Methods and Lessons Learned from Mt. Hamilton, California

Kirk Klausmeyer, Dan Olstein, Terri Schulz, Robin Cox, Sasha Gennet, Jason MacKenzie

While the literature and guidance on traditional conservation planning methods is extensive, there are few case studies on methods for incorporating climate change into conservation planning efforts.…

2011 | Freshwater | Science | Publications & Reports

Identifying habitat conservation priorities and gaps for migratory shorebirds and waterfowl in California

Stralberg, D., D. Cameron, M. Reynolds, C. Hickey, K. Klausmeyer, S. Busby, L. Stenzel, W. Shuford, G. Page

This analysis provides the first comprehensive overview of the specific habitats used by 42 different migratory waterbird species throughout California. The authors reveal important gaps in…

2010 | Terrestrial | Planning | Publications & Reports

Mojave Desert Ecoregional Assessment

John M. Randall, Sophie S. Parker, James Moore, Brian Cohen, Laura Crane, Bill Christian, Dick Cameron, Jason B. Mackenzie, Kirk Klausmeyer, Scott Morrison

Regional conservation planning is critical to inform land and resource use decisions. The Mojave Desert Ecoregional Assessment represents an important advance in such planning, because of how its…

2009 | Terrestrial | Planning | Publications & Reports

Threats and biodiversity in the mediterranean biome

E.C. Underwood, J.H. Viers, K.R. Klausmeyer, R.L. Cox, M. R. Shaw

The mediterranean biome is one of the rarest terrestrial ecosystem types on Earth, restricted to only 2% of the world’s land surface. Encompassing portions of southern Australia, central Chile,…

2009 | Terrestrial | Planning | Publications & Reports

Expanding the global network of protected areas to save the imperiled mediterranean biome

Underwood, E.C., K.R. Klausmeyer, R.L. Cox, S.M. Busby, S.A. Morrison, M.R.Shaw

Mediterranean habitats are among the rarest on Earth. Characterized by warm dry summers and cool wet winters, they are restricted to only 2% of the Earth’s land surface–portions of…