Food of Western North Atlantic Tunas (Thunnus) and Lancetfishes (Alepisaurus) PDF Download
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Author: Frances D. Matthews
Publisher:
ISBN:
Category : Fishes
Languages : en
Pages : 28
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Book Description
Author: Frances D. Matthews
Publisher:
ISBN:
Category : Fishes
Languages : en
Pages : 28
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Book Description
Author: C. Herb Ward
Publisher: Springer
ISBN: 1493934562
Category : Technology & Engineering
Languages : en
Pages : 948
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Book Description
This book is open access under a CC BY-NC 2.5 license. The Gulf of Mexico is an open and dynamic marine ecosystem rich in natural resources but heavily impacted by human activities, including agricultural, industrial, commercial and coastal development. The Gulf of Mexico has been continuously exposed to petroleum hydrocarbons for millions of years from natural oil and gas seeps on the sea floor, and more recently from oil drilling and production activities located in the water near and far from shore. Major accidental oil spills in the Gulf are infrequent; two of the most significant include the Ixtoc I blowout in the Bay of Campeche in 1979 and the Deepwater Horizon Oil Spill in 2010. Unfortunately, baseline assessments of the status of habitats and biota in the Gulf of Mexico before these spills either were not available, or the data had not been systematically compiled in a way that would help scientists assess the potential short-term and long-term effects of such events. This 2-volume series compiles and summarizes thousands of data sets showing the status of habitats and biota in the Gulf of Mexico before the Deepwater Horizon Oil Spill. Volume 2 covers historical data on commercial and recreational fisheries, with an analysis of marketing trends and drivers; ecology, populations and risks to birds, sea turtles and marine mammals in the Gulf; and diseases and mortalities of fish and other animals that inhabit the Gulf of Mexico.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 130
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Book Description
Author:
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 28
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 118
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Book Description
Author: John Tee-Van
Publisher:
ISBN:
Category :
Languages : en
Pages : 716
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Book Description
Author:
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 742
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Book Description
Author:
Publisher:
ISBN:
Category : Delegated legislation
Languages : en
Pages : 2440
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Book Description
Author: Walter M. Matsumoto
Publisher:
ISBN:
Category : Skipjack tuna
Languages : en
Pages : 802
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Book Description
Catch data of the Japanese tuna longline fishery from 1964 to 1967 were analyzed to determine the distribution, abundance, and movement of skipjack tuna, Katsuwonus pelamis, in offshore waters of the Pacific Ocean. Large skipjack tuna, as well as larvae, were found to be concentrated mainly in the east central equatorial Pacific. Movement of skip-jack tuna stocks was determined by following the shifting of high-CPUE (catch per unit effort) cells from one quarter to the next. The apparent movement of skipjack tuna stocks in the Pacific appeared to coincide with the circulation of the major ocean currents; counterclockwise in the southern hemisphere and clockwise in the northern hemisphere, except in the eastern Pacific where the current flow is counterclockwise. The movement patterns of high CPUE suggested that skipjack tuna adults or their progeny could move from one area to the next. The movement pattern was used also to determine the probable migratory routes followed by skipjack tuna tagged in the eastern Pacific and recovered near the Hawaiian and Christmas islands.
Author: William Dewey Anderson (Jr.)
Publisher:
ISBN:
Category : Marine animals
Languages : en
Pages : 172
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Book Description
A seining survey of the macrofauna of the surf zone at Folly Beach, Charleston County, S.C., was conducted from October 1969 to October 1971. Eighty-seven collections were made in the surf and associated tidal pool resulting in the capture of 512 specimens of swimming invertebrates representing at least 17 species and 5,095 specimens of bony fishes representing 41 species. The data obtained are analyzed on seasonal and yearly bases for total weights and numbers of species and specimens. Species are ranked as to importance; and prediction equations for monthly average number of specimens per collection in the surf, based on environmental variables, are developed. Length-frequency data and other aspects of the biology of selected species are presented. Length-length and length-weight relationships are given for certain species. Recommendations for the improvement of the methodology for similar surveys are made.
