A biological assessment of the aquatic ecosystems of the Upper Río Orthon basin, Pando, Bolivia /

A biological assessment of the aquatic ecosystems of the Upper Río Orthon basin, Pando, Bolivia / Barry Chernoff and Philip W. Willink, editors. - Washington, DC : Conservation International, c1999. - 145 p. : il. (algumas color.), mapas. - Bulletin of Biological Assessment ; v. 15 .

Acima do tírulo: "Rapid Assessment Program."

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Ecologia de água doce--Río Orthon Basin (Bolívia).

574.92