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This is the fourth and final volume reviewing EPA's Environmental Monitoring and Assessment Program (EMAP). After 4 years of review, the authoring committee retains its belief that EMAP's goals are laudable. However, because achieving the goals of this ambitious program will require that EMAP successfully meet the difficult scientific, practical, and management challenges, the committee continues to question whether and how well all these goals can be achieved. This final overall review reiterates that general assessment.
Provides an early warning of environmental change before irreversible loss has occurred. Monitoring is focused at 2 resource levels: individual species & specific ecosystem types. Selection of prospective indicators for the status of species or ecosystems is based on the development of conceptual models relating resource change to reliable, early warning signals of change. Ecosystems are monitored on the basis of critical structural & compositional elements that reflect the state of underlying ecological processes. Includes recommendations for staffing, funding, & establishing a long-term commitment for a large, interagency monitoring program. Includes, A Guide to Soil Sampling & Analysis on the Nat. Forests of the Inland NW U.S.Ó