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Filtering by: Creator Eisenberg, Rodney L. Remove constraint Creator: Eisenberg, Rodney L. Creator Ripple, William J. Remove constraint Creator: Ripple, William J. Resource Type Article Remove constraint Resource Type: Article

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  • Linking Wolves and Plants: Aldo Leopold on Trophic Cascades

    Creator:
    Ripple, William J. and Beschta, Robert L.
    Abstract:
    Aldo Leopold, perhaps best known for his revolutionary and poignant essays about nature, was also an eloquent advocate during the 1930s and 1940s of the need to maintain wolves and other large carnivores in forest and range ecosystems.He indicated that their loss set the stage for ungulate irruptions and ecosystem...
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    Plants: Aldo Leopold on Trophic Cascades Author(s): WILLIAM J. RIPPLE and ROBERT L. BESCHTA Source

  • Berry-producing shrub characteristics following wolf reintroduction in Yellowstone National Park

    Creator:
    Beschta, Robert L. and Ripple, William J.
    Abstract:
    Gray wolves (Canis lupus) were reintroduced into Yellowstone National Park in 1995-96, thus completing the park’s large predator guild. In the fall of 2010, approximately 15 years after wolf reintroduction, we sampled ten genera/species of berry-producing shrubs within 97 aspen (Populus tremuloides) stands in the park’s northern ungulate winter range....
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    following wolf reintroduction in Yellowstone National Park Robert L. Beschta*, and William J. Ripple 1

  • A comparison of shark and wolf research reveals similar behavioral responses by prey

    Creator:
    Wirsing, Aaron J. and Ripple, William J.
    Abstract:
    Marine and terrestrial ecologists rarely exchange information, yet comparing research from both sides of the land–sea boundary holds great potential for improving our understanding of ecological processes. For example, by comparing the interaction between tiger sharks (Galeocerdo cuvier) and dugongs (Dugong dugon) to that between gray wolves (Canis lupus) and...
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    ) (d) Ye llo w st on e N at io na l P ar k Ye llo w st on e N at io na l P ar k (b

  • Linking top-down forces to the pleistocene megafaunal extinctions

    Creator:
    Ripple, William J. and Van Valkenburgh, Blaire
    Abstract:
    Humans, in conjunction with natural top-down processes and through a sequence of cascading trophic interactions, may have contributed to the Pleistocene megafaunal extinctions. The arrival of the first humans, as hunters and scavengers, through top-down forcing, could have triggered a population collapse of large herbivores and their predators. We present...
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    among extinct carnivores, lions (P. l. atrox) were bison specialists, scimitar cats were mammoth