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High Goose Populations Causes Impacts and Implications
Dynamics of the Midcontinent Population of Lesser Snow Geese Projected Impacts
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adult mortality adult survival adults and juveniles age class agricultural Alisauskas Ankney annual Arctic Goose Habitat areas Baffin Island banding Boyd breeding colonies Bylot Island Canada geese Canadian Wildlife Service Central Flyway changes coast coastal Cooch cycle graph damage decline degradation Ecol ecosystem effects elasticities estimates exclosure Figure Flyway Council forage Gauthier goose harvest Goose Management gosling graminoids grazing greater snow geese grubbing GSGO harvest rates Hudson Bay Hudson Bay Lowland hunters hunting opportunity impact implemented intertidal James Bay juvenile mortality Kerbes lesser snow geese Manitoba mid-continent population mid-continent snow migration Migratory Bird Mississippi Flyway monitoring moss carpets North occurred Ontario Perouse Bay population growth rate population of lesser Puccinellia phryganodes R.L. Jefferies reduce Reed refuges reproductive success ROGO salt marsh season sedge Senecio congestus snow goose hunting snow goose population species spring strategies swards unpublished data vegetation Wildl winter Wrangel Island