ENVIRON 201 Chapter Notes - Chapter 12: Species Richness, Habitat Fragmentation, Insular Biogeography

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Environ 201- chapter 12: forests, forest management, and protected areas. Forest types: a category of forest defined by its predominant tree species. Canopy: the upper level of tree leaves and branches in a forest. Subcanopy: the middle and lower levels of trees in a forest, beneath the canopy. Understory: the layer of a forest consisting of small shrubs and trees above the forest floor and beneath the subcanopy. Deforestation: the clearing and loss of forests. Secondary forest: forest that has grown back after primary forest has been cut. Resource management: strategic decision making about how to extract resources, so that resources are used wisely and conserved for the future. Maximum sustainable yield: the maximal harvest of a particular renewable natural resource that can be accomplished while still keeping the resource available for the future. Ecosystem-based management: the attempt to manage the harvesting of resources in ways that minimize impact on the ecosystems and ecological processes that provide the resources.

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