Predation risk and mountain goat reproduction: Evidence for stress-induced breeding suppression in a wild ungulate

Frédéric Dulude-De Broin, Sandra Hamel, Gabriela F. Mastromonaco & Steeve D. Côté
Abstract 1. Non-consumptive effects of predation can strongly impact reproduction and demography of prey species. Still, the underlying mechanisms that drive non-consumptive effects are not fully understood, and the circumstances under which chronic physiological stress may mediate these effects remain unclear. 2. Benefiting from over 23 years of environmental, physiological and demographic data, we tested the hypothesis that predation risk may impair reproduction of mountain goats through chronic elevation of physiological stress. We conducted path...
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