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Environmental science : aglobal concern

Tác giả: William P Cunningham, Barbara Woodworth Saigo

Written for the introductory level course in Economic Botany, this long awaited revision offers more emphasis on key topics like biotechnology and ethnobotany.

Environmental science : a global concern

Tác giả: William P Cunningham, Barbara Woodworth Saigo

Written for the introductory level course in Economic Botany, this long awaited revision offers more emphasis on key topics like biotechnology and ethnobotany.

Soil and water conservation for productivity and environmental protection

Tác giả: Frederick R Troeh, J Arthur Hobbs, Roy Luther Donahue

This book is an appropriate textbook for courses in soil and water conservation. It is also a valuable reference for professional conservationists, land managers, and environmental workers.

Environment 05/06

Tác giả: John Logan Allen

Provides access to articles selected from the best of the public press. This work includes features such as: An annotated listing of selected World Wide Web sites an annotated table of contents a topic guide a general introduction brief overviews for each section a topical index and an ...

Environmental science : a study of interrelationships

Tác giả: Eldon D Enger, Bradley Fraser Smith

This volume is an introductory environmental scioence text. The approach and the reading level cover the basic concepts without overloading the publisher with too much detail.