Evaluation and assessment for conservation ecological guidelines for determininf priorities for nature conservation. by Spellerberg, Ian F.

The Rhino man and other uncommon environmentalists by Carty, Winthrop P.

Monitoring the environment

The green encyclopedia by Franck, Irene M.

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Monitoring the environment

Our angry earth by Asimov, Isaac

Forging partnerships for conservation the Brier Island experience by Rousseau, Francine P. 1947-

Minimum quality criteria for ecologically sensitive areas.

Island directory. by Dahl, Arthur L.

The atlas of endangered species. by Burton, John A., 1931-