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BIOC50H3 (15)
Chapter 23

Lecture 21- Chapter 23 Key Terms

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Department
Biological Sciences
Course
BIOC50H3
Professor
Marc Cadotte
Semester
Winter

Description
Chapter 23 Key Terms x adaptive management o A component of ecosystem management in which management actions are seen as experiments and future management decisions are determined by the outcome of present decisions. x biological reserve o An often small nature reserve established with the conservation of a single species or ecological community as the main conservation objective. x buffer zone o A portion of a nature reserve surrounding a core natural area where controls on land use are less stringent than in the core natural area, yet land uses are at least SDUWLDOO\FRPSDWLEOHZLWKPDQ\VSHFLHV¶UHVRXUFHUHTXLUHPHQWVCompare core natural area. x core natural area o A portion of a nature reserve where the conservation of biodiversity and ecological integrity takes precedence over other values or uses. Compare buffer zone. x ecosystem management o An approach to habitat management in which scientifically-based policies and practices guide management decisions on how best to meet an overarching goal of sustaining ecosystem structure and function for long periods of time. x edge effects o Biotic and abiotic changes that are associated with an abrupt habitat boundary such as that created by habitat fragmentation. x extent o In landscape ecology, the area or time period over which observations are collected for a region under study; together with grain, extent characterizes the scale at which a landscape is studied. Compare grain. x grain o In landscape ecology, the size of the smallest homogeneous unit of study (such as a pixel in a digital image), which determines the resolution at which a landscape is observed; together with extent, grain characterizes the scale at which a landscape is studied. Compare extent. x habitat corridor o A relatively narrow patch that connects blocks of habitat and often facilitates the movement of species between those blocks. x heterogeneity o The quality or state of consisting of dissimilar elements. x landscape o An area that is spatially heterogeneous either in its elements (such as the vegetative cover types found at different locations) or in how those elements are arranged. x landscape composition www.notesolution.com o In landscape ecology, the kinds of elements or patches comprised by a landscape and how much of each kind is present. x landscape ecology o The study of landscape patterns and the effects of those patterns on ecological processes. x landscape structure o In landscape ecology, the physical configuration of the different compositional elements of a landscape. x mosaic o A composite of heterogeneous elements. www.notesolution.comChapter 23 Key Terms N adaptive management o A component of ecosystem management in which management actions are seen as experiments and future management decisions are determined by the outcome of present decisions. N biological reserve o An often small nature reserve established with the conservation of a single species or ecological community as the main conservation objective. N buffer zone o A portion of a nature reserve surrounding a core natural area where controls on land use are less stringent than in the core natural area, yet land uses are at least 5,79L,OO.425,9L-O0ZL9K2,3850.L087084:7.0706:L7020398 Compare core natural area. N core natural area o A portion of a nature reserve where the conservation of biodiversity and ecological integrity takes precedence over other values or uses. Compare buffer zone. N ecosystem management o An approach to habitat management in which scientifically-based policies and practices guide management decisions on how best to meet an overarching goal of sustaining ecosystem structure and function for long periods of time. N edge effe
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