Titlebook: Ecosystem Management; Selected Readings Fred B. Samson,Fritz L. Knopf Book 1996 Springer-Verlag New York, Inc. 1996 biodiversity.biology.ec

Militia

Avian Community Dynamics Are Discordant in Space and Timeies, but the vast majority of studies have been done at very small temporal and spatial scales (Kareiva and Andersen 1988, Tilman 1989, but see Enemar et al. 1984, Holmes et al. 1986, Brown and Heske 1990, Pimm 1991). For example, most studies of competition among species are made in plots of less t

figment

Identifying Extinction Threats: Global Analyses of the Distribution of Biodiversity and the Expansio population converts them to agriculture, forestry, and urban centers (Hall 1978, Vitousek et al. 1986). As these habitats are altered, untold numbers of species are disappearing before they have been recognized, much less studied (Wilson 1989), and the functioning of entire ecosystems is threatened

偽造者

PANIC

Individual

Obverse

移動

Fire History and Vegetation Dynamics of a , Wetland on Cape Cod, Massachusetts unusual vegetation associations. An understanding of the ecological and historical processes that have allowed these unusual associations to develop is required in order to identify appropriate conservation objectives for these natural areas, and to develop management strategies for achieving these

cultivated

alcoholism

Modeling Complex Ecological Economic Systems: Toward an Evolutionary, Dynamic Understanding of Peoplteractions between anthropogenic and natural systems. A range of techniques has become available through advances in computer speed and accessibility and by implementing a broad, interdisciplinary systems view.

吹牛需要藝術(shù)