Ecological assessment of environmental degradation, pollution, and recovery

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Simple productivity indices for lake ecosystems the case of Sampaloc Lake Por Pempengco, Amalia Manrique

Simple productivity indices for lake ecosystems the case of Sampaloc lake. Por Pempengco, Amalia Manrique

Plant-animal interactions Por Abrahamson, Warren G.

Integrated research and development plans and programs of the Department of Environment and Natural Resources, 1989-1993.

Ecological assessment of environmental degradation, pollution, and recovery lectures of a course held at the Joint Research Centre, Ispra (Italy), 12-16 October 1987

Soils, vegetation, ecosystems Por O'Hare, Greg

Why foragers do not become farmers a historical study of changing ecosystem and its effect on a Negrito hunter-gatherer group in the Philippines Por Headland, Thomas N.

Community toxicity testing a symposium

Community ecology