000	02173cam  2200361zi 4500
001	9.897257
003	CaOODSP
005	20221107174536
006	m     o  d f
007	cr bn|||||||||
008	201008s1991    bccabd  ob   f000 0 eng d
040	|aCaOODSP|beng|erda|cCaOODSP
043	|an------|an-cn-bc
086	1 |aCW66-738/1991E-PDF
100	1 |aButler, Robert William, |eauthor.
245	10|aHabitat selection and time of breeding in the Great Blue Heron, (Ardea herodias) / |cby Robert W. Butler.
264	1|a[Vancouver, B.C.] : |bUniversity of British Columbia : |bEnvironment Canada = Environnement Canada, |c1991.
300	|a1 online resource (xii, 99 pages) : |billustrations, maps, graphs
336	|atext|btxt|2rdacontent
337	|acomputer|bc|2rdamedia
338	|aonline resource|bcr|2rdacarrier
500	|a"A thesis submitted in partial fulfillment of the requirements for the Degree of Doctor of Philosophy in the Faculty of Science (Department of Zoology)."
500	|aDigitized edition from print [produced by Environment and Climate Change Canada].
504	|aIncludes bibliographical references (pages 88-98).
520	3 |a"This thesis examines the causes and consequences of habitat selection and timing of breeding of the Great Blue Heron (Ardea herodias). My general hypothesis was that the duration of low tides and seasonal abundance of prey strongly influenced the location of colony-sites; timing of the breeding season; habitat shifts; and the use of space by foraging herons of different age- and sex-classes"--Abstract, page ii.
650	0|aGreat blue heron|xHabitat|zBritish Columbia|zPacific Coast.
650	0|aGreat blue heron|xBreeding|zBritish Columbia|zPacific Coast.
650	6|aGrand héron|xHabitat|zColombie-Britannique|zPacifique, Côte du.
650	6|aGrand héron|xAmélioration|zColombie-Britannique|zPacifique, Côte du.
710	2 |aUniversity of British Columbia, |eissuing body.
710	1 |aCanada. |bEnvironment Canada, |eissuing body.
856	40|qPDF|s3.49 MB|uhttps://publications.gc.ca/collections/collection_2021/eccc/cw66/CW66-738-1991-eng.pdf