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Does Biodiversity Include Artificial Diversity?

Does Biodiversity Include Artificial Diversity? blage, landscape), each of which presumably is m o r e or less equally important in assessing overall biodiversity. Incorporation of multiple organizational levels substantially complicates comparisons of the magnitude of biodiversity through space and/or time because diversity at one level need not be a function of diversity at other levels. For example, consider a landscape with four distinct habitats, each of which supports a species assemblage (Fig. 1 ). Differences in biodiversity b e t w e e n landscapes are ambiguous and depend on the scale of focus. Within-habitat species diversity is greater in landscape A, assemblage diversity is greater in landscape B, and within-landscape species diversity is equal b e t w e e n landscapes (Fig. 1 ). Analogous scenarios could be constructed for other pairs of nested organizational levels (such as genes within genomes and landscapes within biomes). Changes in biodiversity o c c u r through changes in either the n u m b e r of or similarities a m o n g biotic elements. Thus, outright element loss (extirpation) or erosion of inherent dissimilarity among elements ( c o n v e r g e n c e ) typically http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Conservation Biology Wiley

Does Biodiversity Include Artificial Diversity?

Conservation Biology , Volume 8 (2) – Jun 1, 1994

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Publisher
Wiley
Copyright
Copyright © 1994 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0888-8892
eISSN
1523-1739
DOI
10.1046/j.1523-1739.1994.08020600.x
Publisher site
See Article on Publisher Site

Abstract

blage, landscape), each of which presumably is m o r e or less equally important in assessing overall biodiversity. Incorporation of multiple organizational levels substantially complicates comparisons of the magnitude of biodiversity through space and/or time because diversity at one level need not be a function of diversity at other levels. For example, consider a landscape with four distinct habitats, each of which supports a species assemblage (Fig. 1 ). Differences in biodiversity b e t w e e n landscapes are ambiguous and depend on the scale of focus. Within-habitat species diversity is greater in landscape A, assemblage diversity is greater in landscape B, and within-landscape species diversity is equal b e t w e e n landscapes (Fig. 1 ). Analogous scenarios could be constructed for other pairs of nested organizational levels (such as genes within genomes and landscapes within biomes). Changes in biodiversity o c c u r through changes in either the n u m b e r of or similarities a m o n g biotic elements. Thus, outright element loss (extirpation) or erosion of inherent dissimilarity among elements ( c o n v e r g e n c e ) typically

Journal

Conservation BiologyWiley

Published: Jun 1, 1994

There are no references for this article.