Efficient algorithms for solving systems of ordinary differential equations for ecosystems modeling /

Mode of access: Internet.

Characteristics of nonpoint source urban runoff and its effects on stream ecosystems /

Mode of access: Internet.

Global Ecosystems Database : version 0.1 (Beta-test) Database documentation /

Mode of access: Internet.

Bibliography of aquatic ecosystems effects, analytical methods and treatment technologies for organic compounds in advanced fossil-fuel processing effluents /

Mode of access: Internet.

Research plan for monitoring wetland ecosystems /

"EPA/600/3-91/010."

The structure of ecosystems /

Includes bibliographies.

Studies of environmental plutonium and other transuranics in desert ecosystems : Nevada Applied Ecology Group Progress report...

Includes bibliographical references.

Arctic ecosystems in peril : report of the Arctic Goose Habitat Working Group /

Not distributed to depository libraries in a physical form.

Energy and nutrient dynamics of predator and prey arthropod populations in a grassland eco-system

Based upon a dissertation by R. I. Van Hook to the Graduate Council of Clemson University in partial fulfillment of the requirements for the degree of Doctor of Philosophy.

Data catalog for the Marine Ecosystems Analysis Puget Sound Project : distribution and summarization of digital data /

The MESA Puget Sound Project is sponsored by the National Oceanic and Atmospheric Administration and the Environmental Protection Agency.

Soil survey of Richland County, and Sheyenne National Grassland area of Ransom County, North Dakota /

Cover title.

Linking ecosystems and biodiversity.

Shipping list no.: 92-240-P.

Critical trends in Illinois ecosystems /

"8M/PRT 3201144"--T.p.

Habitat establishment, enhancement and management for forest and grassland birds in Illinois /

"1993."

Land treatment using plant-soil ecosystems to purify wastewater and recycle resources.

Cover title.