Agri-environmental policies for biodiversity when the spatial pattern of the reserve matters

被引:31
作者
Bamiere, Laure [1 ]
David, Maia [1 ]
Vermont, Bruno [2 ]
机构
[1] INRA AgroParisTech, UMR Econ Publ, F-78850 Thiverval Grignon, France
[2] CNRS INRA, GREMAQ, Toulouse, France
关键词
Agri-environmental policies; Biodiversity; Spatial pattern; Mathematical programming; Auction schemes; Agglomeration bonus/malus; CONSERVATION CONTRACTS; COMPENSATION PAYMENTS; FARMLAND BIRDS; AUCTIONS; DESIGN; HABITAT; AGRICULTURE; INCENTIVES; MANAGEMENT; SCALE;
D O I
10.1016/j.ecolecon.2012.11.004
中图分类号
Q14 [生态学(生物生态学)];
学科分类号
071012 ; 0713 ;
摘要
The aim of this paper is to compare different environmental policies for cost-effective habitat conservation on agricultural lands, when the desired spatial pattern of reserves is a random mosaic. We use a spatially explicit mathematical programming model which studies the farmers' behavior as profit maximizers under technical and administrative constraints. Facing different policy measures, each farmer chooses the land-use on each field, which determines the landscape at the regional level. A spatial pattern index (Ripley L function) is then associated to the obtained landscape, indicating on the degree of dispersion of the reserve. We compare a subsidy per hectare of reserve with an auction scheme and an agglomeration malus. We find that the auction is superior to the uniform subsidy for cost-efficiency. The agglomeration malus does better than the auction for the spatial pattern but is more costly. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码:97 / 104
页数:8
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