Résultats de la recherche | Land Portal

Résultats de la recherche

Showing items 1 through 9 of 2.
  1. Library Resource
    Articles et Livres
    décembre, 2011
    États-Unis d'Amérique

    Effective management of small expanding populations is aided by the availability of reliable estimates of distribution, as well as by demographic characteristics such as population density, genetic diversity and sex ratio. The range of the black bear Ursus americanus in the southeastern United States is expanding to include areas from which it has been extirpated for more than a century. Lack of baseline demographic data in recently reoccupied areas leaves little information on which to base emerging management needs.

  2. Library Resource
    Articles et Livres
    décembre, 2013
    États-Unis d'Amérique

    The role of predation in ecological systems has received considerable attention in scientific literature and is one of the most important, yet least understood aspects of carnivore ecology. Knowledge of factors that improve our ability to detect predation events using animal telemetry data could be used to develop strategies to reduce time and resources required to obtain reliable kill estimates.

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