Isbn: 9780852381878 - pollution and freshwater fish (4 risultati)

Condizione: good. A copy that has been read, remains in good condition. All pages are intact, and the cover is intact. The spine and cover show signs of wear. Pages can include notes and highlighting and show signs of wear, and the copy can include "From the library of" labels or previous owner inscriptions. 100% GUARANTEE! Shipped with delivery confirmation, if you're not satisfied with purchase please return item! Ships via media mail.…

Condizione: Like New. Most items will be dispatched the same or the next working day. An apparently unread copy in perfect condition. Dust cover is intact with no nicks or tears. Spine has no signs of creasing. Pages are clean and not marred by notes or folds of any kind.

ALL UK PARCELS SENT TRACKED! ALL OVERSEAS PARCELS SENT AIRMAIL, TRACKED! (S/hand, Hardcover, 1992). 1992 1st edition. 8vo (158 x 240mm). Ppxvi,176. B/w charts, line drawings, bibliography. Turquoise coer with line drawing, issued without dust-wrapper. Slight dust marks and lean to spine, else very good. "The aquatic environment is showing signs of man's activities. And our freshwater fisheries have not escaped the effects of. the discharge of chemicals and wastes. This book describes post-war efforts to protect the fisheries from such pollution, and discusses the different approaches which have been made towards their preservation and restoration. The main purpose of this book is to introduce the technical non-specialist to the complexities of the subject through a balanced overall view." Chapters include: Introduction; What is pollution? - definitions and effects; Assessing the toxicity of chemicals; Sub-lethal tests with fish; Effects of some common pollutants on fish; Toxicity of mixtures; Deveoplment of water quality standards to protect fish; Protection of freshwater fish; The economic value of freshwater fisheries; General conclusions. .…

hardcover. Condizione: Like New. LIKE NEW. SHIPS FROM MULTIPLE LOCATIONS. book.