By Anthony Anderson, Clinton N. Jenkins
The fragmenting of habitats is endangering animal populations and degrading or destroying many plant populations during the global. to deal with this challenge, conservationists have more and more grew to become to organic corridors, parts of land put aside to facilitate the move of species and ecological procedures. in spite of the fact that, whereas thousands of hall projects are lower than means around the world, there's little useful info to steer their layout, position, and administration. Applying Nature's Design deals a entire evaluate of present wisdom on corridors, their layout, and their implementation. Anthony B. Anderson and Clinton N. Jenkins research numerous conceptual and functional matters linked to corridors and supply targeted case experiences from around the globe. Their paintings considers the way to deal with and govern corridors, tips to construct aid between a variety of curiosity teams for corridors, and the hindrances to implementation. as well as assessing a number of environmental and ecological demanding situations, the authors are the 1st to think about the significance of socioeconomic and political concerns in developing and holding corridors.
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Extra resources for Applying Nature's Design: Corridors as a Strategy for Biodiversity Conservation (Issues, Cases, and Methods in Biodiversity Conservation)
In general, we can expect edge effects to be most severe when the corridor habitat and the matrix habitat differ greatly. Studies in tropical America document edge effects extending up to three hundred meters into forest habitat (Debinski and Holt 2000). Species that rely on interior habitat typically require corridors wide enough to provide a significant swath of habitat free from edge effects (Noss 1991). The impacts of edge effects on target species also depend on the sensitivity of those species to disturbance and on the amount of time they spend in the corridor (Newmark 1993).
In contrast, understory birds tend to be far less habitattolerant. They may use corridors linking similar forested habitats only under extreme conditions. The response of any given species also seems to vary according to the scale under consideration. As a result, designing research to address general questions about corridor viability—such as “principles that predict behavioral and population responses to corridors across species and landscapes” (Haddad et al. 2000)—is probably not realistic. Instead, corridor research needs to focus on the details of particular species and scales relevant to conservation practice (Noss and Beier 2000).
Given scarce resources, it is often difficult to justify the establishment of corridors that serve biodiversity protection exclusively (Hellmund 1993). Whenever possible, corridors should be designed to achieve multiple objectives. In large-scale, landscape corridors, distinct objectives can be defined at different scales. For example, the Talamanca–Caribbean Corridor in Costa Rica is designed to protect habitats, watersheds, and movement for a wide range of species at a large scale, while also supporting ecotourism and agriculture at smaller scales (case 2).
Applying Nature's Design: Corridors as a Strategy for Biodiversity Conservation (Issues, Cases, and Methods in Biodiversity Conservation) by Anthony Anderson, Clinton N. Jenkins