Plants, people, and paleoecology : biotic communities and aboriginal plant usage in Illinois /

Includes index.

Evaluation of an index of biotic integrity : temporal variability and regional application in the midwest /

Mode of access: Internet.

Causes of spatial and temporal patterns in rocky intertidal communities of central and northern California /

Mode of access: Internet.

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

Mode of access: Internet.

Impacts of sediment and nutrients on biota in surface waters of the United States /

"Grant no. R804868020."

Maximum utilization of water resources in a planned community : contributions of refractory compounds by a developing community /

Mode of access: Internet.

Engineering and ecological evaluation of artificial-island design, Rincon Island, Punta Gorda, California /

"March 1974."

The effects of an oil spill and freeze event on intertidal community structure in Washington : final report /

Mode of access: Internet.

Description of the ecoregions of the United States /

Mode of access: Internet.

Linking ecosystems and biodiversity.

Shipping list no.: 92-240-P.

Biological stream characterization (BSC): biological assessment of Illinois stream quality through 1993 /

"November 1996."

PLAN-IT EARTH : pairing learners and nature with innovative technology for the environmental assessment of resources, trends, and habitats.

"Illinois."

The Bell System technical journal

Mode of access: Internet.

Ecoregions map of North America : explanatory note /

"Lambert azimuthal equal area"--Map.

Reconnaissance of Noatak National Preserve and biosphere reserve as a potential site for inclusion in the integrated global background monitoring network /

"June 1986."