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A practical book for professionals who rely on water quality data for decision making, this book is based on three decades experience of three highly published water and watershed resource professionals. It focuses on the analysis of air pollution sensitive waters and the consequent effects associated with soil and water acidification, nutrient-N enrichment, or the effects of atmospherically deposited toxic substances. It also covers lake zooplankton and/or stream macroinvertebrate biomonitors. Explanations of the reasons behind various recommendations provide readers with the tools needed...

For more than a century, the world has recognized the extraordinary biological diversity of the forests of Tanzania's Usambara Mountains. As international attention has focused on forest conservation, farmers, foresters, biologists, and the Tanzanian state have realized that only complex negotiations will save these treasured, but rapidly disappearing, landscapes.

Highland Sanctuary unravels the complex interactions among agriculture, herding, forestry, the colonial state, and the landscape itself. In his examination of the region's history of ecological...