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Posts Tagged: wolves

Wolves Facilitate the Recovery of Browse-Sensitive Understory Herbs in Wisconsin Forests

We asked whether wolf re-colonization would facilitate increased growth and reproduction of three browse-sensitive plant species. We hypothesized plant size and the proportion of reproductive individuals would be lowest in areas with no wolves, intermediate where wolves had been present … read more

Recolonizing Wolves Trigger a Trophic Cascade in Wisconsin

We tested the hypothesis that wolves are reducing local browse intensity by white-tailed deer, thus indirectly mitigating the biotic impoverishment of understorey plant communities in northern Wisconsin. To assess the potential for such a top-down trophic cascade response, we developed … read more

Wolves, Deer, Maples and Wildflowers

Herbivores can be major drivers of environmental change, altering plant community structure and changing biodiversity through the amount and species of plants consumed. If natural predators can reduce herbivore numbers and/or alter herbivore foraging behavior, then predators may reduce herbivory … read more

Adult Does Avoid Core Areas That Wolves Use

Growth of ungulate populations is typically most sensitive to survival of neonates, which in turn is influenced by maternal nutritional condition and trade-offs in resource selection and avoidance of predators. We assessed whether resource use, multi-predator risk, maternal nutritional effects, … read more

Observations of Deer and Wolves during the 2017 Moose Survey Mike Schrage, Fond du Lac Resource Management Division

Each year, we conduct an aerial survey in northeastern Minnesota in an effort to monitor moose numbers (DelGiudice, 2017). While the objectives of this annual survey are to estimate moose numbers and demographics; since 2010, wolf and deer observations have … read more

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