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5 record(s) found with the tag "predators" (multi-year projects are grouped):
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The role of predation in nesting success of black brant and lesser snow geese
Principal Investigator: Armstrong, Terry
Licensed Year(s): 1993 1992 1991
Summary: This ongoing study will involve observing glaucous gulls as they prey on nests of black brant and lesser snow geese. I will attempt to determine why the gulls seem to be more successful when attacking the nests of brant than those of snow geese. I will examine the feeding behaviour of the gulls and the defense behaviour of the geese. I will also examine the nesting success and clutch sizes of b...
Licensed Year(s): 1993 1992 1991
Summary: This ongoing study will involve observing glaucous gulls as they prey on nests of black brant and lesser snow geese. I will attempt to determine why the gulls seem to be more successful when attacking the nests of brant than those of snow geese. I will examine the feeding behaviour of the gulls and the defense behaviour of the geese. I will also examine the nesting success and clutch sizes of b...
Population Dynamics of the Collared Lemming
Principal Investigator: Reid, Donald G.
Licensed Year(s): 1993 1992 1991
Summary: The Researchers will continue to investigate the hypothesis that collared lemmings are regulated at low densities by predation and that the irruptive high densities found in some Canadian tundra regions, some years, are local escapes from predator regulation....
Licensed Year(s): 1993 1992 1991
Summary: The Researchers will continue to investigate the hypothesis that collared lemmings are regulated at low densities by predation and that the irruptive high densities found in some Canadian tundra regions, some years, are local escapes from predator regulation....
The Biology of Predaceous Insects in the Canadian Arctic
Principal Investigator: DeBruyn, Adrian
Licensed Year(s): 1992 1991
Summary: The Researcher will investigate the biology of predaceous insects in terrestrial and freshwater habitats. An inventory of predaceous insects will be conducted through trapping and collecting. Their prey and habits will also be identified....
Licensed Year(s): 1992 1991
Summary: The Researcher will investigate the biology of predaceous insects in terrestrial and freshwater habitats. An inventory of predaceous insects will be conducted through trapping and collecting. Their prey and habits will also be identified....
Productivity of Marine Mammal Food Chains in the Northwest Passage
Principal Investigator: Welch, Harold
Licensed Year(s): 1993 1992 1991 1990 1988 1987
Summary: The Researchers will measure the distribution of phytoplankton, nutrients and zooplankton. They will sample the benthos, especially clams. A remote camera will be set up on southwest Devon Island to monitor the coast for movements of cod and whales. If sighted they will determine their size, sample their planktonic prey and monitor predation on the school by birds and mammals....
Licensed Year(s): 1993 1992 1991 1990 1988 1987
Summary: The Researchers will measure the distribution of phytoplankton, nutrients and zooplankton. They will sample the benthos, especially clams. A remote camera will be set up on southwest Devon Island to monitor the coast for movements of cod and whales. If sighted they will determine their size, sample their planktonic prey and monitor predation on the school by birds and mammals....
Breeding Biology of the Harris' Sparrow and White-crowned Sparrows in the Thelon Game Sanctuary, N.W.T.
Principal Investigator: Norment, Christopher
Licensed Year(s): 1991 1990
Summary: Mr. Norment is studying the breeding biology of the Harris' Sparrow and White-crowned Sparrow. He will be collecting data on any physical (such as weather, food supply, nest-site, predators) or genetic (such as number of eggs, breeding cycle, condition of females) factors....
Licensed Year(s): 1991 1990
Summary: Mr. Norment is studying the breeding biology of the Harris' Sparrow and White-crowned Sparrow. He will be collecting data on any physical (such as weather, food supply, nest-site, predators) or genetic (such as number of eggs, breeding cycle, condition of females) factors....
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