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The online version of this recent two-volume book from the US Geological Surveys provides "the first large-scale assessment of the health of the nation's plants, animals, and ecosystems and is intended for use by managers, scientists, policy makers, and the general public." The Status and Trends of the Nation's Biological Resources is organized into two parts: Factors Affecting Biological Resources (abiotic and biotic) and Regional Trends in Biological Resources (presented by region). Each of the 22 chapters is authored by an impressive list of experts within each field. The entire document, which is illustrated with color photographs, may be viewed online; interested users may also download the introduction (.pdf format). A glossary, indices, and appendix of common/ scientific names follow the main text.
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