000	00000nam 2200000za 4500
001	9.850343
003	CaOODSP
005	20241203113641
007	cr |||||||||||
008	180119s1991    onc ||||o    f000 0 eng d
040	|aCaOODSP|beng
043	|an-cn-sn
086	1 |aCW69-9/193E-PDF
100	1 |aClark, Robert G.
245	10|aPopulations and nesting success of upland-nesting ducks in relation to cover establishment |h[electronic resource] / |cRobert G. Clark, Thomas D. Nudds, and Robert O. Bailey.
260	|a[Ottawa] : |bCanadian Wildlife Service, |c1991.
300	|a6 p.
490	1 |aProgress notes ; |vno. 193
500	|aIssued also in French under title: Populations et succès de nidification des canards nichant dans les terres hautes par rapport à l'implantation de couvert vegetal.
500	|a"April 1991."
500	|aDigitized edition from print [produced by Environment and Climate Change Canada].
504	|aIncludes bibliographical references.
520	3 |a"Reductions in habitat patch sizes and increases in patch isolation are often associated with increased nest predation and reduced bird populations (e.g., Whitcomb et al.1981; Wilcove 1985). Nest predation may increase with increasing habitat fragmentation if the foraging efficiency or numbers of predators are increased"--Introd.
692	07|2gccst|aAquatic birds
692	07|2gccst|aHabitats
693	4|aDucks
693	4|aNesting
700	1 |aNudds, Thomas David, |d1952-
700	1 |aBailey, Robert Owen.
710	1 |aCanada. |bEnvironment Canada.
710	2 |aCanadian Wildlife Service.
775	08|tPopulations et succès de nidification des canards nichant dans les terres hautes par rapport à l'implantation de couvert végétal |w(CaOODSP)9.860812
830	#0|aProgress notes (Canadian Wildlife Service)|vno. 193|w(CaOODSP)9.504439
856	40|qPDF|s410 KB|uhttps://publications.gc.ca/collections/collection_2018/eccc/CW69-9-193-eng.pdf