Author: Harold A. GangmarkPublisher:
ISBN:
Category : Salmon
Languages : en
Pages : 34
Book Description
Status of Columbia River Blueback Salmon Runs, 1951
Author: Harold A. GangmarkPublisher:
ISBN:
Category : Salmon
Languages : en
Pages : 34
Book Description
Status of Columbia River Blueback Salmon Runs, 1951 (Classic Reprint)
Author: U. S. Fish and Wildlife ServicePublisher: Forgotten Books
ISBN: 9781333863371
Category : Business & Economics
Languages : en
Pages : 40
Book Description
Excerpt from Status of Columbia River Blueback Salmon Runs, 1951 Extremely high water in 19h8 limited surveys to only a portion of the area. The areas that could be counted were compared with counts of 19h? And a similar ratio applied to obtain an estimate for 19l8. 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.
Status of Columbia River Blueback Salmon Runs, 1951
Author: Harold A. GangmarkPublisher:
ISBN:
Category : Salmon
Languages : en
Pages : 34
Book Description
Fishery Leaflet
Author: Special Scientific Report
Author: N.O.A.A. Technical Report NMFS SSRF
Author: Winter Water Temperatures and an Annotated List of Fishes
Author: Robert L. EdwardsPublisher:
ISBN:
Category : Fishes
Languages : en
Pages : 728
Book Description
Cruise no. 126 of the Albatross III was planned and conducted to gather information about the distribution of fishes across the Continental Shelf from Nantucket Shoals to Cape Hatteras during the late winter period when water temperatures generally are at their minimum. The shelf here has a general hydrographic similarity from north to south, well described by Bigelow (1933), that makes it a particularly worthwhile area in which to study the relation of fish distribution to water temperature, depth, and other factors of the environment. Since the fish of this portion of the shelf support several different, relatively important food and industrial fisheries, as well as an intensive marine sport fishery. Cruise no. 126 served to provide data valuable to several research programs.
Spawning Escapement of Okanogan River Blueback Salmon (Oncorhynchus Nerka) 1957
Author: Donovan R. CraddockPublisher:
ISBN:
Category : Salmon
Languages : en
Pages : 16
Book Description
Large-scale Experimental Test of Copper Sulfate as a Control for the Florida Red Tide
Author: George Armytage RounsefellPublisher:
ISBN:
Category : Copper sulfate
Languages : en
Pages : 682
Book Description
The first large-scale attempt at controlling the red tide was made in the autumn of 1957. About 16 square miles stretching along 32 miles of shoreline from Anclote Key to Pass-a-grille Beach, off St. Petersburg, Florida, were dusted with copper sulfate (CuSO4·5H2O) at about 20 pounds to the acre by crop-dusting planes. The copper very quickly reduced G̲y̲m̲ṉo̲ḏi̲ṉi̲u̲m̲ ḇṟe̲v̲e̲, the red tide organisms, from several million to practically none per liter relieving the area of the respiratory irritation caused by the airborne toxin of G̲. ḇṟe̲v̲e̲. In 2 out of 5 areas the organisms rose again to concentrations lethal to fish in 10 to 14 days after dusting. This method is not recommended for general control, but will give temporary relief in local situations from the airborne toxin
Author: