Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Elston H. Dzus"'
Autor:
Elston H. Dzus, Pat Cabezas
Publikováno v:
Rangifer, Vol 27, Iss 4 (2007)
Woodland caribou conservation has been the topic of much debate for the past few decades. By the late 1970s there was growing concern about declining woodland caribou populations and the interaction between industrial activities and woodland caribou.
Externí odkaz:
https://doaj.org/article/3c5945ba931a4e2f8dc1c8de3d83dd25
Autor:
Gary R. Bortolotti, Connie Dzus, Beatriz Arroyo, J. M. Gerrard, P. Naomi Gerrard, François Mougeot, Elston H. Dzus
Publikováno v:
ResearcherID
Digital.CSIC. Repositorio Institucional del CSIC
instname
Digital.CSIC. Repositorio Institucional del CSIC
instname
The study of population regulation is crucial for understanding population dynamics and for conservation. We report on trends in population size and reproduction of Bald Eagles (Haliaeetus leucocephalus) at Besnard Lake, Saskatchewan, Canada, during
Autor:
Robert G. Clark, Elston H. Dzus
Publikováno v:
The Auk. 115:311-318
Reproductive success in birds often is measured in terms of the proportion of nests that hatch or fledge young. We assessed survival of 35 Mallard (Anas platyrhynchos) broods near Yorkton in east-central Saskatchewan, Canada, from 1990 to 1993. Brood
Publikováno v:
Écoscience. 3:252-258
In birds that exhibit sexual size dimorphism, hatching asynchrony, and siblicide, the probability of nestling mortality and the cost of rearing young may vary with different combinations of sex and...
Publikováno v:
Canadian Journal of Zoology. 71:1681-1686
Declines in Common Loon (Gavia immer) populations associated with increasing human use of lakes have been reported from many areas of North America. In the present report we describe a lake in northern Saskatchewan, Besnard Lake, where there has been
Publikováno v:
Blue Jay. 64
Autor:
Pat Cabezas, Elston H. Dzus
Publikováno v:
Rangifer; Vol 27 (2007): Special Issue No.17; 257
Rangifer, Vol 27, Iss 4 (2007)
Rangifer, Vol 27, Iss 4 (2007)
Woodland caribou conservation has been the topic of much debate for the past few decades. By the late 1970s there was growing concern about declining woodland caribou populations and the interaction between industrial activities and woodland caribou.
Autor:
Jon M. Gerrard, Elston H. Dzus
Publikováno v:
The Journal of Wildlife Management. 57:771
Bald eagle (Haliaeetus leucocephalus) densities vary througbout North America, but reasons for these differences are poorly understood and may be important for directing management practices. Thus, we evaluated the influence of forest nesting habitat