Biblioteca Digital

5 resultados para Aquatic organismis

em Biodiversity Heritage Library, United States

A guide to the study of fresh-water biology, with special reference to aquatic insects and other invertebrate animals and phyto-plankton, by James G. Needham and Paul R. Needham.

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Proceedings of the third USA-USSR symposium on the effects of pollutants upon aquatic ecosystems.

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3rd.

A guide and key to the aquatic plants of the Southeastern United States, by Don E. Eyles and Lynne Robertson, Jr. With original drawings by Garnet W. Jex.

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Proceedings of the third USA-USSR symposium on the effects of pollutants upon aquatic ecosystems.

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1st & 2nd

Aquatic Phycomycetes.

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