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Articles 31 - 31 of 31
Full-Text Articles in Life Sciences
The Nutritional Condition Of Moose Co-Varies With Climate, But Not With Density, Predation Risk, Or Diet Composition, Jennifer S. Forbey, Daniel P. Melody
The Nutritional Condition Of Moose Co-Varies With Climate, But Not With Density, Predation Risk, Or Diet Composition, Jennifer S. Forbey, Daniel P. Melody
Biology Faculty Publications and Presentations
A fundamental question about the ecology of herbivore populations pertains to the relative influence of biotic and abiotic processes on nutritional condition. Nutritional condition is influenced in important, yet poorly understood, ways by plant secondary metabolites (PSMs) which can adversely affect a herbivore’s physiology and energetics. Here we assess the relative influence of various abiotic (weather) and biotic (intraspecific competition, predation risk and diet composition) factors on indicators of nutritional condition and the energetic costs of detoxifying PSMs for the moose population in Isle Royale National Park (U.S.A.). Specifically, we observed interannual variation in the ratio of urea nitrogen to …