00000nam 2200000zi 4500 9.900588 CaOODSP 20221107175440 m o d f cr |n||||||||| 210609t20212021oncb ob f00| 0 eng d 9780660391809 CaOODSP eng rda CaOODSP n-cn-on Fs70-6/2021-024E-PDF Impacts of agricultural drain maintenance in Beaver Creek on grass pickerel (Esox americanus vermiculatus), a fish species at risk. Impacts of agricultural drain maintenance on Grass Pickerel [Ottawa] : Canadian Science Advisory Secretariat, 2021. ©2021 1 online resource (16 pages) : map. text txt rdacontent computer c rdamedia online resource cr rdacarrier Science advisory report, 1919-5087 ; 2021/024 Issued also in French under title: Répercussions de l'entretien du drain agricole du ruisseau beaver sur le brochet vermiculé (Esox americanus vermiculatus), une espèce en péril. "October 2021." Includes bibliographical references (pages 13-15). Grass pickerel Conservation Ontario. Watersheds Ontario. Canadian Science Advisory Secretariat, issuing body. Canada. Department of Fisheries and Oceans. Central and Arctic Region, issuing body. Répercussions de l’entretien du drain agricole du ruisseau Beaver sur le brochet vermiculé (Esox americanus vermiculatus), une espèce en péril. (CaOODSP)9.900589 Science advisory report (Canadian Science Advisory Secretariat) 2021/024. (CaOODSP)9.506226 PDF 385 KB https://publications.gc.ca/collections/collection_2021/mpo-dfo/fs70-6/Fs70-6-2021-024-eng.pdf