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Trophic Downgrading of Planet Earth
This empirical work supports long-standing theory about the role of top-down forcing in ecosystems but also highlights the unanticipated impacts of trophic cascades on processes as diverse as the dynamics of disease, wildfire, carbon sequestration, invasive species, and biogeochemical cycles.
Mesopredator release and avifaunal extinctions in a fragmented system
It appears that the decline and disappearance of the coyote, in conjunction with the effects of habitat fragmentation, affect the distribution and abundance of smaller carnivores and the persistence of their avian prey.
Conservation and Evolution
Reconstructed Dynamics of Rapid Extinctions of Chaparral‐Requiring Birds in Urban Habitat Islands
- M. Soulé, D. Bolger, A. Alberts, Jonathan K. Wrights, M. Sorice, S. Hill
- Environmental Science
- 1 March 1988
The distribution of native, chaparral-requiring bird species was determined for 37 isolated fragments of canyon habitat ranging in size from 0.4 to 104 hectares in coasta4 urban San Diego County,…
Conservation Biology: The Science of Scarcity and Diversity
Conservation Biology: An Evolutionary-Ecological Perspective
What is Conservation Biology?A new synthetic discipline addresses the dynamics and problems of perturbed species, communities, and ecosystems
- M. Soulé
- Environmental Science
- 1 December 1985
C onservation biology, a new stage in the application of science to conservation problems, addresses the biology of species, communities, and ecosystems that are perturbed, either directly or…
The Keystone-Species Concept in Ecology and ConservationManagement and policy must explicitly consider the complexity of interactions in natural systems
The term keystone species has enjoyed an enduring popularity in the ecological literature since its introduction by Robert T. Paine in 1969 and it is implicit that these species are exceptional, relative to the rest of the community, in their importance.
Evaluating the role of the dingo as a trophic regulator in Australian ecosystems
Three broad questions are proposed to clarify not only the impacts of dingoes at all trophic levels, but also the mechanisms by which these impacts occur; the design of appropriate experiments is discussed, using principles that may also be applied to investigate species interactions on other continents.