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This report describes an initiative undertaken by the Nature Conservancy of Canada–Atlantic Region to strengthen freshwater conservation efforts in the Canadian portion of the Northern Appalachian–Acadian ecoregion. With the assistance of a core team of freshwater experts from both the United States and Canada, a hierarchical classification of rivers and streams was developed and mapped using five biophysical characteristics that affect the distribution of aquatic biodiversity: size, gradient, temperature, alkalinity, and tidal influence. A standardized classification was then developed for all watersheds in New Brunswick, Nova Scotia, Prince Edward Island, and eastern Quebec, as well as for those watersheds that...
The overall goal of this project is to increase the knowledge and data available to more effectively protect and manage freshwater aquatic resources in the Canadian and cross-border portions of the NA LCC. Specifically, the classification will: 1) fill a large data gap by developing and mapping an aquatic ecosystem classification in the Canadian portion of the NA LCC; 2) provide the ecological basis to identify “representative” aquatic ecosystems for management, restoration, research and most importantly as an aid to programs and organizations aimed at conserving biological diversity of freshwater resources; 3) provide common definitions and mapping of aquatic habitat types across provincial and bordering state...