The National Biological Diversity Conservation and Environmental Research Act [microform] : hearings before the Subcommittee on Natural Resources, Agriculture Research, and Environment of the Committee on Science, Space, and Technology, U.S. House of Representatives, One Hundredth Congress, second session, June 9, 30, 1988.

"No. 143."

Assessing biological diversity in the United States : data considerations.

Mode of access: Internet.

Draft biological diversity assessment.

"November 1990."

Biological diversity /

"May 1992."

Strategic plan for the ecological resources of Illinois.

"Gretchen Bonfert, Green Strategies, Springfield, Illinois, compiled this strategic plan and convened the public meetings whereby participants contributed to the plan."-- p. ii.

Integrating multiple taxa in a biological stream rating system.

"This report is based largely on work done by Leslie Bol and Leon Hinz of the Illinois Natural History Survey, and Ann Marie Holtrop of the IDNR. Their work was funded by IDNR through the Illinois State Wildlife Grant Program (T-20-P-001)." -- acknowledgments.