The Abundance And Distribution Of Hard Clams In Nantucket Sound Massachusetts 1958
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The Abundance And Distribution Of Hard Clams In Nantucket Sound Massachusetts 1958
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Author : John W. Ropes
language : en
Publisher:
Release Date : 1960
The Abundance And Distribution Of Hard Clams In Nantucket Sound Massachusetts 1958 written by John W. Ropes and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1960 with Northern quahog categories.
A survey was made during the summer of 1958 to assess the abundance of hard clams, Venus (Mercenaria) mercenaria, in Nantucket Sound, Massachusetts. A jet (hydraulic) dredge was used as the principal sampling gear. Data from 214 sample stations compared with other Atlantic coast areas indicated that the abundance of hard clams in Nantucket Sound was extremely low. The survey revealed no new general areas of commercial abundance. No clams less than 60 millimeters (2 3/8 inches) were caught. Because of hydrographic conditions unfavorable for spawning and setting and because there are few small clams to augment the present stocks, the future of this fishery is uncertain.
Special Scientific Report
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Author :
language : en
Publisher:
Release Date : 1960
Special Scientific Report written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1960 with Fisheries categories.
The Abundance And Distribution Of Hard Clams In Nantucket Sound Massachusetts 1958 Classic Reprint
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Author : John W. Ropes
language : en
Publisher:
Release Date : 2016-06-28
The Abundance And Distribution Of Hard Clams In Nantucket Sound Massachusetts 1958 Classic Reprint written by John W. Ropes and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-06-28 with Technology & Engineering categories.
Excerpt from The Abundance and Distribution of Hard Clams in Nantucket Sound, Massachusetts, 1958 Unlike the Nantucket and Fall River dredges, the jet dredge uses water jets to loosen the bottom sediments ahead of the digging blade (fig. Water is supplied to the jets through a 5-inch hose attached to a powerful salt-water pump on the deck of the dredge boat. At 80 to 90 pounds pres sure per square inch this pump will deliver about 125 gallons of water per minute. 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.
Microhematocrit As A Tool In Fishery Research And Management
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Author : Stanislas F. Snieszko
language : en
Publisher:
Release Date : 1960
Microhematocrit As A Tool In Fishery Research And Management written by Stanislas F. Snieszko and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1960 with Fisheries categories.
Abstract: The micro method of hematocrit is rapidly replacing red cell counts in clinical hematology. Observations were made on the value of this method in routine hematological examination of trouts. Under the conditions of data collection, the normal hematocrit values for brook trout were 45 to 50, for brown trout 39 to 44, and for rainbow trout 45 to 53. There was a close correlation between the hematocrits, red cell counts and hemoglobin. The commercial heparinized capillaries, while excellent for human blood, tend to give somewhat higher readings (7 to 18 percent) with trout, due to incomplete prevention of blood coagulation. The procedure as applied to trout is described in detail.
Annotated Bibliography Of The Hard Clam Mercenaria Mercenaria
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Author : John Laurence McHugh
language : en
Publisher:
Release Date : 1982
Annotated Bibliography Of The Hard Clam Mercenaria Mercenaria written by John Laurence McHugh and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Clams categories.
Monthly Catalog Of United States Government Publications
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Author : United States. Superintendent of Documents
language : en
Publisher:
Release Date : 1960
Monthly Catalog Of United States Government Publications written by United States. Superintendent of Documents and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1960 with Government publications categories.
Monthly Catalog Of United States Government Publications Cumulative Index
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Author : United States. Superintendent of Documents
language : en
Publisher:
Release Date : 1978
Monthly Catalog Of United States Government Publications Cumulative Index written by United States. Superintendent of Documents and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with United States categories.
The Abundance And Distribution Of Hard Clams In Nantucket Sound Massachusetts 1958
DOWNLOAD
Author : John W. Ropes
language : en
Publisher:
Release Date : 1960
The Abundance And Distribution Of Hard Clams In Nantucket Sound Massachusetts 1958 written by John W. Ropes and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1960 with Northern quahog categories.
Biological Report
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Author :
language : en
Publisher:
Release Date : 1986
Biological Report written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with categories.
Commercial Fisheries Review
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Author :
language : en
Publisher:
Release Date : 1967
Commercial Fisheries Review written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Fish trade categories.