Laporte, Aaron De; Weersink, Alfons; Yang, Wanhong - In: Canadian Journal of Agricultural Economics/Revue … 58 (2010) 1, pp. 131-150
"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....