00000nam 2200000za 4500 9.849925 CaOODSP 20241203113641 cr ||||||||||| 180112s1983 onc ||||o f000 0 eng d CaOODSP eng n-cn-qu CW69-9/139E-PDF DesGranges, Jean-Luc. Fourth and fifth tours of inspection of Quebec heronries, 1980-81 [electronic resource] / by J.L. DesGranges and P. Laporte. [Ottawa] : Canadian Wildlife Service, 1983. 11 p. Progress notes ; no. 139 "November 1983." Digitized edition from print [produced by Environment and Climate Change Canada]. Issued also in French under title: Quatrième et cinquième tournées d'inspection des héronnières du Québec, 1980-81. Includes bibliographical references. "We counted the nests of 53 heronries in 1980 and 56 in 1981. More than three-quarters of the colonies visited have been included in previous inventories. In 1980, the number of occupied nests had increased in slightly over half of the heronries for which we already had data. The opposite occurred in 1981"--Abstract. gccst Birds gccst Habitats Herons Laporte, P. Canada. Environment Canada. Canadian Wildlife Service. Quatrième et cinquième tournées d'inspection des héronnières du Québec, 1980-1981 (CaOODSP)9.860542 Progress notes (Canadian Wildlife Service) no. 139 (CaOODSP)9.504439 PDF 559 KB https://publications.gc.ca/collections/collection_2018/eccc/CW69-9-139-eng.pdf