Creating Practitioner‐Driven, Science‐Based Plans for Connectivity Conservation in the Washington-British Columbia Transboundary Region
Creating Practitioner-driven, Science-based Plans for Connectivity Conservation in a Changing Climate: A Collaborative Assessment of Climate-Connectivity Needs in the Washington-British Columbia Transboundary Region
Enhancing ecological connectivity - the degree to which landscapes facilitate the movement of the organisms within them - is a frequently recommended strategy for conserving wildlife populations into the future. This is because a primary way in which species respond to climate change is by adjusting their geographic ranges to find more suitable temperatures and adequate food supplies. It is also because connectivity facilitates many other important ecological and evolutionary processes within species' ranges, further promoting resilience and healthy populations. However, widespread fragmentation of landscapes by human activities presents a serious obstacle to these processes, which may contribute to a decline in biodiversity, and subsequent [...]
Summary
Enhancing ecological connectivity - the degree to which landscapes facilitate the movement of the organisms within them - is a frequently recommended strategy for conserving wildlife populations into the future. This is because a primary way in which species respond to climate change is by adjusting their geographic ranges to find more suitable temperatures and adequate food supplies. It is also because connectivity facilitates many other important ecological and evolutionary processes within species' ranges, further promoting resilience and healthy populations. However, widespread fragmentation of landscapes by human activities presents a serious obstacle to these processes, which may contribute to a decline in biodiversity, and subsequent declines in the many services healthy ecosystems provide, such as clean air and water.
In order to address the need for effective connectivity management in the face of climate change, scientists teamed with land managers in the transboundary region of British Columbia and Washington State to apply the best available science directly to the information needs of those seeking to manage connectivity. The scientists and managers used conceptual models to understand and project a wide range of future impacts to connectivity for 13 case studies. They also identified a diverse set of adaptation responses to address connectivity. For example, managers might implement prescribed burns, control invasive species, or restore riparian areas to maintain existing core habitat areas and their connections. Results from this project are available online and include key findings, data, and maps for each case study.
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NW-2014-4_MtBaker_WA_AlanCressler.jpg “Mount Baker, WA - Credit: Alan Cressler”
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Purpose
When the Earth experiences changes in its climate, wildlife respond by moving – species adjust their ranges to track changes in climate, moving out of areas that become too hot or otherwise inhospitable, and moving into areas that become newly hospitable. However, climate change is now proceeding so quickly that it is becoming difficult for species to move fast enough to keep pace. In addition, today’s landscapes feature significant barriers to movement presented by human land uses (e.g., roads, cities, farms). Such is the case in the region around the border of Washington and British Columbia, where increasing development pressure and limited coordination of land and wildlife management across the border pose a threat to the future ability of wildlife to move as the climate changes. The Washington-British Columbia Transboundary Climate-Connectivity Project sought to address this problem by building the capacity of land and wildlife managers in the transboundary region to incorporate climate change and wildlife movement into their decision-making. The project paired climate scientists with land and wildlife managers from both sides of the border to work together to anticipate how climate change may impact wildlife movement and identify actions for addressing these impacts, so that their management of the landscape and the wildlife within it would be better prepared for future change. Products are freely available via an online tool that allows users to view and download reports, maps, and other project products describing potential climate impacts and management responses for a diverse group of plants and animals living in the transboundary region. Together, this effort and its products have enhanced the ability of land and wildlife managers in Washington and British Columbia to collaboratively respond to future threats to regional wildlife movement, enhancing the resilience of our shared species and ecosystems.