NDLI: Habitat equivalency in urban estuaries: An analytical hierarchy process for planning ecological restoration

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Preliminary observations on habitat, support use and diet in two non-native primates in an urban Atlantic forest fragment: The capuchin monkey (Cebus sp.) and the common marmoset (Callithrix jacchus) in the Tijuca forest, Rio de Janeiro

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Habitat equivalency in urban estuaries: An analytical hierarchy process for planning ecological restoration

Content Provider	Springer Nature Link
Author	Ludwig, David F. Iannuzzi, Timothy J.
Copyright Year	2006
Abstract	Ecosystem restoration is critically important in urbanized landscapes because habitat degradation is severe and ubiquitous in such areas. Because successful restoration requires specification of desired environmental endpoints, a generally applicable method for valuing and comparing possible restoration endpoints is needed. One method available for comparative valuation is the Analytical Hierarchy Process (AHP). AHP allows a suite of alternatives to be valued on a rank scale based on simple, tractable, paired comparisons among all alternatives. Given a sound technical foundation for the paired comparisons, the method yields an objective set of rank values. By incorporating the relative values of various restoration alternatives in a restoration scaling evaluation such as a Habitat Equivalency Analysis (HEA), restoration programs can be designed effectively both qualitatively (in terms of the kinds of resources or habitats desired) and quantitatively (in terms of the amounts or areas of each). In this study, we develop and apply AHP in the context of a specimen HEA for US Mid-Atlantic coast estuaries. By ranking various habitat types as potential restoration targets based on their value for a suite of key natural resources, a series of restoration ratios is produced, relating relative habitat areas of each type needed to offset specific impairment levels. These ratios provide a basic tool for restoration planning in urbanized estuaries, as these comprise nearly entirely built environments with little or no natural habitat. Under these conditions, restoration planners must specify desired states of the ecosystem, and the restoration ratios allow various permutations of presumed post-restoration environments to be valued and compared.
Starting Page	265
Ending Page	290
Page Count	26
File Format	PDF
ISSN	10838155
Journal	Urban Ecosystems
Volume Number	9
Issue Number	4
e-ISSN	15731642
Language	English
Publisher	Kluwer Academic Publishers-Plenum Publishers
Publisher Date	2006-10-12
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Restoration Urban ecosystems Urban estuaries Habitat equivalency analysis Analytical hierarchy process Environmental planning Watershed restoration Cumulative impacts Nature Conservation Environmental Management Ecology
Content Type	Text
Resource Type	Article
Subject	Ecology Urban Studies

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