Hands on lake ecology : teachers guide.

Presents classroom activities aimed at students in grades 5 through 8 on the forces impacting water quality and living things within the lake environment.

Hands on lake ecology : student workbook.

Includes classroom activities and experiments designed to develop a greater understanding of the forces impacting water quality and the living things within the lake environment.

The American gyna͡ecological & obstetrical journal. ecology & obstetrics.> v.1-19, 1891-1901.

v. 1-4 have title The New York journal of gyna͡ecology & obstetrics.

Effect of physical factors in the ecology of certain insects in logs /

Thesis (Ph. D.)--University of Minnesota, 1921.

The black crappie : its life history, ecology and management /

Includes bibliographical references (p. 14-16).

Disturbance ecology and forest management : a review of the literature /

"May 1996."

Biology and ecology of two predators : Geocoris palens Stål and G. bullatus (Say) /

Caption title.

The biology and ecology of the red-headed pine sawfly /

Cover title.

Pine root collar weevil : its ecology and management /

"February 1983."

The nature, ecology, and control of Canada thistle

Bibliography: p. 31-32.

Biology, ecology, and control of the lodgepole needle miner /

Includes bibliographical references (p. 36-38).

Ecology and silviculture of western larch forests /

Bibliography: p. 61-66.

Ecology of the green peach aphid as a vector of beet western yellows virus of sugarbeets /

Issued Aug. 1979.

The Sierra ecology project.

"The Sierra Cooperative Pilot Project, United States Department of the Interior, Bureau of Reclamation, Division of Research, Office of Atmospheric Resources Management, Denver, Colorado."

Ecology of the pea aphid in the Blue Mountain area of eastern Washington and Oregon /

Caption title.