Search Results - "Abraham, K.F"

Trends in body condition in polar bears ( Ursus maritimus ) from the Southern Hudson Bay subpopulation in relation to changes in sea ice by Obbard, M.E., Cattet, M.R.L., Howe, E.J., Middel, K.R., Newton, E.J., Kolenosky, G.B., Abraham, K.F., Greenwood, C.J.

“…Sea ice is declining over much of the Arctic. In Hudson Bay the ice melts completely each summer, and advances in break-up have resulted in longer ice-free…”
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The embarrassment of riches: agricultural food subsidies, high goose numbers, and loss of Arctic wetlands — a continuing saga by Jefferies, R L, Rockwell, R F, Abraham, K F

“…Agriculture has provided a nutritional subsidy to the Anatidae (swans, geese, ducks), which has affected their trophic relationships and the Arctic wetlands…”
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Lower Predation Risk for Migratory Birds at High Latitudes by McKinnon, L, Smith, P.A, Nol, E, Martin, J.L, Doyle, F.I, Abraham, K.F, Gilchrist, H.G, Morrison, R.I.G, Bêty, J

“…Quantifying the costs and benefits of migration distance is critical to understanding the evolution of long-distance migration. In migratory birds, life…”
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biotic agent promotes large-scale catastrophic change in the coastal marshes of Hudson Bay by Jefferies, R.L, Jano, A.P, Abraham, K.F

“…1. Herbivores may initiate small changes to plant-soil systems that trigger positive feedbacks leading to rapid catastrophic shifts in vegetative states,…”
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dynamics of landscape change and snow geese in mid-continent North America by Abraham, K.F, Jefferies, R.L, Alisauskas, R.T

“…The Mid‐Continent Population of the lesser snow goose, which breeds in the eastern and central Canadian Arctic and sub‐Arctic, and winters in the southern…”
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Decadal changes in vegetation of a subarctic salt marsh used by lesser snow and Canada geese by Kotanen, P. M., Abraham, K. F.

“…In the Hudson—James Bay system, grubbing and grazing by lesser snow geese have resulted in severe devegetation of coastal marshes. These changes likely…”
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Goose-induced Changes in Vegetation and Land Cover between 1976 and 1997 in an Arctic Coastal Marsh by Abraham, Kenneth F, Jefferies, Robert L, Rockwell, Robert F

“…Since the 1970s, a breeding colony of lesser snow geese (Chen caerulescens caerulescens L.) at La Pérouse Bay, Manitoba, has grown 8% annually. This increase…”
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Survival and growth of the forage grass Festuca rubra in naturally and artificially devegetated sites in a sub-arctic coastal marsh by Pamela, C. O., Kotanen, Peter M., Abraham, Kenneth F.

“…Festuca rubra is an abundant supratidal grass on sub-arctic James Bay (Canada) shorelines, forming extensive near-monocultures that are used as forage by…”
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