Economics of riparian beneficial management practices for improved water quality: A representative farm analysis in the Canadian Prairie region

被引:10
|
作者
Jeffrey, S. R. [1 ]
Koeckhoven, S. [1 ]
Trautman, D. [1 ]
Dollevoet, B. [1 ]
Unterschultz, J. R. [1 ]
Ross, C. [2 ]
机构
[1] Univ Alberta, Dept Resource Econ & Environm Sociol, Edmonton, AB, Canada
[2] Agr & Agri Food Canada, Edmonton, AB, Canada
关键词
ECOSYSTEM SERVICES; LIVESTOCK IMPACTS; FORAGE CROPS; CATTLE; STREAM; METAANALYSIS; WHEAT;
D O I
10.1080/07011784.2014.965035
中图分类号
TV21 [水资源调查与水利规划];
学科分类号
081501 ;
摘要
This paper examines the economics of adopting agricultural beneficial management practices (BMPs) to protect riparian areas in the Canadian Prairies. Monte Carlo simulation methods and cost/benefit analysis (net present value) are used to evaluate BMP adoption for a set of representative cropping and mixed farm operations in Alberta and Saskatchewan. BMPs considered in the analysis involve restoration, maintenance and/or protection of riparian areas and associated wetlands. Implementation of these BMPs by the representative farms is generally costly, resulting in negative net benefits. This is primarily due to opportunity costs from forgone returns and BMP establishment costs. The farm level results are combined with estimates of public values for riparian ecosystem services using the Pannell land use policy framework. Results indicate that in many cases, positive incentives, such as subsidies or conservation auctions, are appropriate policy responses to encourage increased production of riparian/wetland ecosystem services. Given the uncertainty in public and private benefit estimates, it may also be the case that no intervention is the optimal policy response in some instances. There is significant scope for further research in order to obtain better estimates of benefits and costs associated with riparian area management. Ce travail etudie les gains economiques obtenus en adoptant de meilleures pratiques agricoles de management (MPAMs) pour proteger les zones riparienne des Rocheuses Canadiennes. Nous combinons les methodes statistiques de Monte Carlo et une analyse cout/benefice (valeur presente nette) pour evaluer l'adoption de meilleure pratiques pour un echantillon representatif de fermes cerealieres dans l'Alberta et la Saskatchewan. Les MPAMs considerees dans notre analyse impliquent la restauration, le maintien et/ou la protection des zones riparienne et des marais qui leur sont associes. La mise en place d'une MPAM est en general couteuse et reduit les benefices nets. Cette reduction est en grande partie due aux couts de mise en oe uvre de la MPAM et a la perte nette d'exploitation qui resulte de la MPAM. En nous aidant du cadre reglementaire de l'utilisation des terres developpe par Pannell, les resultats obtenus a l'echelle de la ferme sont combines avec les estimations des valeurs publiques pour des services des ecosystemes riparien. Nos resultats montrent que dans de nombreux cas des incitations positives telles que des subventions ou des encheres de conservation sont necessaires pour encourager la production de services obtenus grace aux ecosystemes riparien. Dans certains cas, etant donnee l'incertitude, il est possible qu'il soit optimal de ne pas intervenir du tout. Notre etude montre aussi l'importance de continuer les travaux de recherche dans le management des zones ripariennes.
引用
收藏
页码:449 / 461
页数:13
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