Nitrogen budget of a subarctic stream altered by beaver (Castor canadensis)

  title={Nitrogen budget of a subarctic stream altered by beaver (Castor canadensis)},
  author={Robert J. Naiman and J M Melillo},
Beaver (Castor canadensis) influence stream ecosystems through their wood cutting and dam building activities. To quantify this influence we have used measured rates of nitrogen dynamics to construct a nitrogen budget for a section of a second order stream in eastern Québec and a beaver dam in that stream. The budget demonstrates the importance of sediment accumulations and an expanded wetted area to the annual nitrogen economy and to pathways of nitrogen cycling. Major changes after… CONTINUE READING
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