Climate Change and the Land Trust

Global biodiversity is changing at an unprecedented rate in response to climate change and other human-induced impacts to the environment. Many of the defining characteristics of plants and animals – including where they live, how they behave, how they interact with other species, and their risk of disease and extinction – are being altered by a changing climate in complex and often unpredictable ways.*

Keeping landscapes connected via habitat linkages or corridors is the most frequently recommended approach to maintain ecosystem resilience in the face of climate change.

The benefit of landscape connectivity is that it protects our water resources in an increasingly arid region and provides room for plants and animals to adjust their locations in response to a warming climate as needed to survive.

The Land Trust has been identifying and prioritizing the protection of habitat corridors and critical landscape linkages across a broad range of habitats, elevations, terrain, and microclimates to address climate change and habitat fragmentation impacts.

This effort is aimed at helping native plant and animal species shift and move between lower and higher elevations, interior and coastal areas, and along south-north trajectories through the Napa, Mayacamas, Blue Ridge, and Vaca Mountain ranges.

Mayacamas to Berryessa

In addition, we have been a core partner in the Mayacamas to Berryessa (M2B) Landscape Connectivity Network project, a public-private collaboration between land trusts, open space and park districts, State and Federal land managers, and ecology researchers dedicated to landscape-level conservation of Northern California’s inner Coast Ranges.

The M2B project has advanced the field of climate connectivity modeling by demonstrating novel methods to assess fine-scale climate projections in the context of landscape heterogeneity in order to inform connectivity project prioritization and habitat corridor designs. A major focus of this project has been the quantification of habitat corridor climate benefits, enabling species to escape rising temperatures by using corridors, based on state-of-the art high-resolution climate projections.

Active Stewardship

With an increased emphasis on active stewardship of our protected natural areas, the Land Trust is implementing projects aimed at reducing anthropogenic impacts that exacerbate the effects of climate change.

With the understanding that restoring native biodiversity can increase climate change resilience, we have been actively removing invasive exotic plant species and restoring diverse native plant communities in previously invaded areas across our network of preserves.

We have also been working to reduce stressors to aquatic systems through watershed restoration projects aimed at preventing road-generated sediment pollution from entering streams and wetlands.

In addition, we are tracking potential climate change impacts to terrestrial mammals through large-scale, quantitative wildlife monitoring, and tracking the recovery of native plant communities following the massive 2017 North Bay wildfires.

* Please note that, as written, the first paragraph draws heavily from language on The National Center for Ecological Analysis and Synthesis (NCEAS) website (https://www.nceas.ucsb.edu/science/climate#).

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Our work is made possible by the generous support of individuals like you. As a community-based nonprofit, we depend on donations—both big and small—to protect the land and legacy of Napa for generations to come. Your contribution is an investment in Napa’s future. Every dollar makes a difference in preserving the beauty and vitality of our community. Join us in making a lasting impact today.

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