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image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Canadian Journal of ...arrow_drop_down
image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
Canadian Journal of Agricultural Economics/Revue canadienne d agroeconomie
Article . 2010 . Peer-reviewed
License: Wiley Online Library User Agreement
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Ecological Goals and Wetland Preservation Choice

Authors: Aaron De Laporte; Alfons Weersink; Wanhong Yang;

Ecological Goals and Wetland Preservation Choice

Abstract

Canada's multilayered wetland policies promote the preservation of “significant” wetlands, but the criteria for identifying these wetlands are not clearly defined partially because wetlands are a source of multiple ecological outputs, such as abating sediment and providing wildlife habitat. This study adapts a GIS‐based, hydrologic, and economic model to examine the trade‐offs between agricultural interests and ecological benefits in the Eramosa Watershed, located in southwestern Ontario, Canada. While preserving a wetland enhances both water quality and wildlife habitat goals, and the costs of preservation increase at an increasing rate as expected, the ranking of wetlands, and so the choice of “significant” wetlands, varies considerably depending upon the wetland benefit chosen as the policy goal. The trade‐off between wetland benefits and drainage is diminished if there is an alternative means to abate sediment. Since conservation tillage is a lower cost means of improving water quality than wetland preservation, its inclusion can achieve comparable environmental benefits at decreased agricultural cost. La politique canadienne multicouche sur les zones humides préconise la préservation des zones humides «d'importance», mais les critères d'identification de ces zones ne sont pas clairement définis, en partie parce que les zones humides offrent une foule d'avantages écologiques tels que la réduction des sédiments et la constitution d'habitats fauniques. Dans la présente étude, nous avons adapté un modèle économique et hydrologique fondé sur un système d'information géographique (SIG) pour analyser les compromis entre les intérêts agricoles et les avantages écologiques dans le bassin hydrographique de la rivière Eramosa, situé dans le sud‐ouest de la province d'Ontario, au Canada. Bien que la préservation des zones humides améliore la qualité de l'eau et les habitats fauniques, et que les coûts liés à la préservation ne cessent d'augmenter, le classement des zones humides et, par conséquent, le choix des zones humides «d'importance» varient considérablement en fonction de l'avantage retenu comme objectif politique. Le compromis entre les avantages des zones humides et le drainage est diminué s'il existe une solution de rechange pour réduire les sédiments. Étant donné que, pour améliorer la qualité de l'eau, le travail de conservation du sol est un moyen plus économique que la préservation des zones humides, il peut permettre d'obtenir des avantages environnementaux comparables à des coûts agricoles moins élevés.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
15
Average
Average
Top 10%
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