To provide useful and meaningful information, long-term ecological programs need to implement solid and efficient statistical approaches for collecting and analyzing data. This volume provides rigorous guidance on quantitative issues in monitoring, with contributions from world experts in the field. These experts have extensive experience in teaching fundamental and advanced ideas and methods to natural resource managers, scientists and students. The chapters present a range of tools and approaches, including detailed coverage of variance component estimation and quantitative selection among alternative designs; spatially balanced sampling; sampling strategies integrating design- and model-based approaches; and advanced analytical approaches such as hierarchical and structural equation modelling. Making these tools more accessible to ecologists and other monitoring practitioners across numerous disciplines, this is a valuable resource for any professional whose work deals with ecological monitoring. Supplementary example software code is available online at www.cambridge.org/9780521191548.

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