Author: Robert Earl LennonPublisher:
ISBN:
Category : Electric fishing
Languages : en
Pages : 22
Book Description
The Electrical Resistivity Meter in Fishery Investigations
Author: Robert Earl LennonPublisher:
ISBN:
Category : Electric fishing
Languages : en
Pages : 22
Book Description
The Electrical Resistivity Meter in Fishery Investigations
Author: Robert Earl LennonThe Electrical Resistivity Meter in Fishery Investigations (Classic Reprint)
Author: Robert E. LennonPublisher: Forgotten Books
ISBN: 9780656658336
Category : Technology & Engineering
Languages : en
Pages : 22
Book Description
Excerpt from The Electrical Resistivity Meter in Fishery Investigations The waters studied by Rossum, Rodhe, and Sylvester ranged from soft to brine. Sylvester indicated, however, that his curve and formula for the conductivity-solids relationship was of little value where conductivity was less than 150 micromhos. The linear relationship was there fore tested with data collected on 133 clear, soft water streams in western North Carolina in which conductivities were less than 150 micromhos Complete chemical analyses for these streams were included in a study of mountain watersheds made by the North Carolina Department of Con servation and Development (1950, 1951, and The measurements of total dissolved solids and conductivity for the streams were grouped accord ing to toal hardness determinations (3-7, 8-12, 13 - 17 38-42 ppm). Conductivities and total dissolved solids in each group were then averaged and the products used in the line equation y a ]bx, where y tibe/ and x conductivity at 77 F. The resulting equation was: tds (conductivity in micromhos), with a standard error of ppm. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Investigations in Fish Control
Author: Special Scientific Report
Author: Special Scientific Report
Author: Fishery Leaflet
Author: Brook Trout of Great Smoky Mountains National Park
Author: Robert E. LennonPublisher:
ISBN:
Category : Brook trout
Languages : en
Pages : 20
Book Description
The brook trout of Great Smoky Mountains National Park are relatively scarce and are found only in remote, headwater streams. They are also small and short-lived. Males outnumber females, especially among sexually mature fish. The fecundity is lower than in fish of comparable size in Wisconsin and Canadian waters. Under present conditions, any increase in exploitation of the brook trout in the Park or damaging alteration of the habitat might have serious consequences for the remanent populations.
Technical Papers
Author: United States. Bureau of Sport Fisheries and WildlifePublisher:
ISBN:
Category : Fish culture
Languages : en
Pages : 398
Book Description
Bibliography Series
Author: Publisher:
ISBN:
Category : Conservation of natural resources
Languages : en
Pages : 32
Book Description