00000nam 2200000za 4500 9.857774 CaOODSP 20241203113643 cr ||||||||||| 180615s1996 qucdb o f00| 0 eng d CaOODSP eng eng fre n-cn-on CW69-5/264E-PDF Bird use of crops in southern Ontario [electronic resource] : implications for assessment of pesticide risk / C. Boutin ... [et al.]. Hull, Quebec : Canadian Wildlife Service, Headquarters, c1996. viii, 147 p. : charts, maps. Technical report series ; no. 264 Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references (p. 86-95). "A thorough survey of bird use of cropfields has never been performed in southern Ontario where agriculture is intensive and noncrop habitats are dwindling. The knowledge of bird use of cropfields is critical for a finer evaluation of pesticide risk incurred by birds breeding in or migrating through this area. From July to mid-September 1987 birds were inventoried in six corn and soybean fields in Essex county, in five to six cornfields and apple orchards in Norfolk (Haldimand-Norfolk), and in six cornfields and grape vineyards in Niagara county"--Abstract. Issued also in print format. Includes abstract in French. gccst Birds gccst Pesticides Boutin, Céline, 1954- Canada. Environment Canada. Canadian Wildlife Service. Headquarters. Bird use of crops in southern Ontario: implications for assessment of pesticide risk / (CaOODSP)9.613356 Technical report series (Canadian Wildlife Service) no. 264. (CaOODSP)9.504438 PDF 5.73 MB https://publications.gc.ca/collections/collection_2018/eccc/cw69-5/CW69-5-264-eng.pdf