Author:
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 248
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Book Description
"The purpose of this guide is to provide NEFSC fisheries observers, as well as end users of NEFSC Observer Program data, with a detailed description of each data field collected. In addition to this manual, the NEFSC Fisheries Observer Program Biological Sampling Manual provides summaries and tables intended to enable observers to quickly determine the correct biological sampling protocols and methods while at sea. The NEFSC Fisheries Observer Program Training Manual is a textbook for observer trainees as well as a reference for experienced observers containing in-depth instructions on procedures and protocols relating to biological data collection as well as other aspects of the job, such as safety at sea"--Introduction.
Author:
Publisher:
ISBN:
Category : Fish tagging
Languages : en
Pages : 74
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Book Description
"This guide is intended to serve as a general at-sea biological sampling reference for NEFSC fisheries observers. It contains summaries and tables designed to enable observers to quickly determine the correct biological sampling protocols and methods while at sea. While this manual provides identification criteria for selected species that have proved troublesome in the past, observers should mainly rely on the field guides issued in training for species identification"--Introduction.
Author: Gus Van Helvoort
Publisher: Bernan Press(PA)
ISBN:
Category : Nature
Languages : en
Pages : 588
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Book Description
This manual provides an integrated approach to the management of observer programs by combining the complementary observer tasks of biodata collection and the monitoring of compliance to regulations on offshore fishing vessels. The multitude of duties and responsibilities that pertain to the observer's work are outlined within the context of his mandate to observe, record and report. The techniques for gathering data and the format in which it is reported are detailed fully.
Author: Mark E. Merdinyan
Publisher:
ISBN:
Category : Fishery management
Languages : en
Pages : 299
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Book Description
Author: Office of The Federal Register, Enhanced by IntraWEB, LLC
Publisher: IntraWEB, LLC and Claitor's Law Publishing
ISBN: 0160921597
Category : Law
Languages : en
Pages : 1097
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Book Description
50 CFR Wildlife and Fisheries
Author: Blake Edward Feist
Publisher:
ISBN:
Category : Cetacea
Languages : en
Pages : 40
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Book Description
Cetacean populations are confronted by many anthropogenic threats, including commercial whaling, noise, vessel collisions, gear entanglement, exploitative competition, habitat disturbance, and global climate change. Evidence indicates that commercial fishing activities can have both direct (e.g., gear entanglement and bycatch) and indirect (e.g., prey reduction and noise) effects on cetaceans. However, few studies have addressed the potential vulnerability of a given cetacean species to an entire fishing fleet that operates over a large marine ecosystem. In this study, we overlaid spatially explicit multiyear predicted mean densities of 11 cetacean species and 1 species guild within the California Current Large Marine Ecosystem with data for commercial fishing effort of the fixed-gear, at-sea hake mid-water trawl, and bottom trawl fleets of the west coast groundfish fishery. We quantified the exposure of each species to each fleet type by multiplying the predicted mean cetacean density by the measured fishing fleet effort. We found large interspecific and interfleet variability in the overlap between cetaceans and fishing fleets. Although many of the species had relatively low overlap rates, others had substantial exposure to some of the fishing fleets, particularly those species with more nearshore distributions. Direct mortality from these fleets has been documented to be low, but our results indicate that there is opportunity for fisheries interactions with some cetacean species, particularly in the fixed-gear fleet. Our analyses make up an important first step in generating formal risk assessments for quantification of the impacts of various fishing fleets on populations of cetacean species that occur in the California Current.
Author:
Publisher:
ISBN:
Category : Fishery law and legislation
Languages : en
Pages : 1096
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Book Description
Special edition of the Federal register, containing a codification of documents of general applicability and future effect as of ... with ancillaries.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Presents the Fishery Observer program at Woods Hole Oceanographic Institute's Northeast Fisheries Science Center. Offers a table of contents as follows: Sample Catches at Sea, Estimates of Takes of Protected Species, Estimates of Discards of Fishery Resources, Biological Sampling of the Catch, Design and Monitoring of Conservation Gear, Monitoring of Experimental Fisheries, Economic Information on Revenue and Costs, Gear Performance and Characteristics, Foreign Fishery Monitoring, Contact with Fishermen, and Sea Sampling Operations.
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309288452
Category : Nature
Languages : en
Pages : 247
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Book Description
As the Gulf of Mexico recovers from the Deepwater Horizon oil spill, natural resource managers face the challenge of understanding the impacts of the spill and setting priorities for restoration work. The full value of losses resulting from the spill cannot be captured, however, without consideration of changes in ecosystem services-the benefits delivered to society through natural processes. An Ecosystem Services Approach to Assessing the Impacts of the Deepwater Horizon Oil Spill in the Gulf of Mexico discusses the benefits and challenges associated with using an ecosystem services approach to damage assessment, describing potential impacts of response technologies, exploring the role of resilience, and offering suggestions for areas of future research. This report illustrates how this approach might be applied to coastal wetlands, fisheries, marine mammals, and the deep sea-each of which provide key ecosystem services in the Gulf-and identifies substantial differences among these case studies. The report also discusses the suite of technologies used in the spill response, including burning, skimming, and chemical dispersants, and their possible long-term impacts on ecosystem services.
Author: Tessa Francis
Publisher: Frontiers Media SA
ISBN: 2889763943
Category : Science
Languages : en
Pages : 217
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Book Description
