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Retrospective Analysis Of Suspiciously Small Catches In The National Marine Fisheries Service West Coast Triennial Bottom Trawl Survey
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Book Synopsis Retrospective Analysis of Suspiciously Small Catches in the National Marine Fisheries Service West Coast Triennial Bottom Trawl Survey by : Alaska Fisheries Science Center Nationa
Download or read book Retrospective Analysis of Suspiciously Small Catches in the National Marine Fisheries Service West Coast Triennial Bottom Trawl Survey written by Alaska Fisheries Science Center Nationa and published by BiblioGov. This book was released on 2013-06 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the 1970's the National Oceanic and Atmospheric Administration (NOAA) was made to manage our oceanic and atmospheric resources. The Alaska Fisheries Science Center is the research branch for marine life and coastal oceans off parts of the U.S. west coast and Alaska. This includes the Eastern Bering Sea where some the worlds most important commercial fishing takes place. Their mission is to develop and maintain scientific exploration to help understand and manage that region's environment. Over the years there have been many reports published which discuss their findings; this is one of them.
Book Synopsis Retrospective Analysis of Suspiciously Small Catches in the National Marine Fisheries Service West Coast Triennial Bottom Trawl Survey by : Mark Zimmermann
Download or read book Retrospective Analysis of Suspiciously Small Catches in the National Marine Fisheries Service West Coast Triennial Bottom Trawl Survey written by Mark Zimmermann and published by . This book was released on 2001 with total page 135 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Operation Plan and Sampling Manual by : United States. National Marine Fisheries Service
Download or read book Operation Plan and Sampling Manual written by United States. National Marine Fisheries Service and published by . This book was released on 1998* with total page 57 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Evaluation of the Bottom Trawl Survey Program of the Northeast Fisheries Center by : Northeast Fisheries Center. Survey Working Group
Download or read book An Evaluation of the Bottom Trawl Survey Program of the Northeast Fisheries Center written by Northeast Fisheries Center. Survey Working Group and published by . This book was released on 1988 with total page 83 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fishermen's Report by : Northeast Fisheries Center (U.S.). Woods Hole Laboratory
Download or read book Fishermen's Report written by Northeast Fisheries Center (U.S.). Woods Hole Laboratory and published by . This book was released on 1987 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Estimating Confidence in Trawl Efficiency and Catch Quantification for the Eastern Bering Sea Shelf Survey by : Duane E. Stevenson
Download or read book Estimating Confidence in Trawl Efficiency and Catch Quantification for the Eastern Bering Sea Shelf Survey written by Duane E. Stevenson and published by . This book was released on 2016 with total page 51 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Alaska Fisheries Science Center’s Resource Assessment and Conservation Engineering (RACE) Division has been conducting annual multispecies bottom trawl surveys of the eastern Bering Sea continental shelf using the same standardized gear and trawling procedures since 1982. The data and results from these surveys are available to the general public. However, because the use of these data and results by researchers outside RACE is not monitored, users should be aware of the limitations of this information and design their analyses accordingly. In particular, there are multiple sources of variability in the sampling efficiency of the trawl gear used for the survey, both species- and size-specific, that may affect inferences about the nature of the overall catches and relative animal densities. Furthermore, the quality and specificity of catch quantification (weighing and counting) at sea of many taxa can vary depending on the overall size of the catch and the species composition of the sample, particularly for non-commercial taxa of small size. This document is an assessment of the relative reliability of survey catch weights, numbers, and catch per unit effort estimates derived from the eastern Bering Sea shelf bottom trawl survey and is intended to serve as a guideline for researchers interested in using the survey data and results. Included within is a confidence matrix of sampling efficiency and catch quantification for all fishes and invertebrates identified during the shelf survey. [doi:10.7289/V5/TM-AFSC-335 (http://dx.doi.org/10.7289/V5/TM-AFSC-335)]
Book Synopsis An Evaluation of the Bottom Trawl Survey Program of the Northeast Fisheries Center by :
Download or read book An Evaluation of the Bottom Trawl Survey Program of the Northeast Fisheries Center written by and published by . This book was released on 1988 with total page 83 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Trawl Fishery of the Washington/Oregon/California Region by :
Download or read book Trawl Fishery of the Washington/Oregon/California Region written by and published by . This book was released on 1977 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Results of the 1991 U.S.-U.S.S.R. Cooperative Bottom Trawl Survey of the Eastern and Western Bering Sea Continental Shelf by : Mark Zimmermann
Download or read book Results of the 1991 U.S.-U.S.S.R. Cooperative Bottom Trawl Survey of the Eastern and Western Bering Sea Continental Shelf written by Mark Zimmermann and published by . This book was released on 1994 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fishermen's Report by : Northeast Fisheries Science Center (U.S.)
Download or read book Fishermen's Report written by Northeast Fisheries Science Center (U.S.) and published by . This book was released on 1993 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Report to Industry by : Alaska Fisheries Science Center Nationa
Download or read book Report to Industry written by Alaska Fisheries Science Center Nationa and published by BiblioGov. This book was released on 2013-06 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the 1970's the National Oceanic and Atmospheric Administration (NOAA) was made to manage our oceanic and atmospheric resources. The Alaska Fisheries Science Center is the research branch for marine life and coastal oceans off parts of the U.S. west coast and Alaska. This includes the Eastern Bering Sea where some the worlds most important commercial fishing takes place. Their mission is to develop and maintain scientific exploration to help understand and manage that region's environment. Over the years there have been many reports published which discuss their findings; this is one of them.
Book Synopsis Using Oregon Trawl Logbooks to Study Spatial and Temporal Characteristics of Commercial Groundfish Species Associations by : Yong Woo Lee
Download or read book Using Oregon Trawl Logbooks to Study Spatial and Temporal Characteristics of Commercial Groundfish Species Associations written by Yong Woo Lee and published by . This book was released on 1997 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: Species associations of fifteen major commercial groundfish species in the northeastern Pacific ocean and their spatial and temporal characteristics were studied using Oregon bottom trawl logbook data, 1987 to 1993. Screening procedures were used to remove questionable data from the original logbook files, which resulted in the exclusion of information from 46% of the total available tows. Two multivariate methods, detrended correspondence analysis (DCA) and Ward's method of hierarchical cluster analysis were used to derive the association patterns of species and species groups. A general linear model that was developed for the primary DCA axis suggested that the species associations are strongly correlated with depth, but minimally correlated with the other environmental variables that were examined (latitude, season, and year). The weak correlations between DCA axis 1 and the temporal variables indicate that species associations in the study region are fairly persistent over time. The same multivariate techniques were used to examine possible sampling effects due to changes in the participating trawl vessels that contributed logbook information. Depth and latitudinal distributions of species occurrence in the logbook were similar to distributions derived from National Marine Fishery Service triennial bottom trawl survey. However, the analysis also showed that the depth coverage by the survey is not broad enough to accurately characterize associations among species that are currently subject to commercial fishing activity.
Book Synopsis Report to Lndustry by : Alaska Fisheries Science Center Nationa
Download or read book Report to Lndustry written by Alaska Fisheries Science Center Nationa and published by BiblioGov. This book was released on 2013-06 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the 1970's the National Oceanic and Atmospheric Administration (NOAA) was made to manage our oceanic and atmospheric resources. The Alaska Fisheries Science Center is the research branch for marine life and coastal oceans off parts of the U.S. west coast and Alaska. This includes the Eastern Bering Sea where some the worlds most important commercial fishing takes place. Their mission is to develop and maintain scientific exploration to help understand and manage that region's environment. Over the years there have been many reports published which discuss their findings; this is one of them.
Book Synopsis Report to Industry by : Alaska Fisheries Science Center Nationa
Download or read book Report to Industry written by Alaska Fisheries Science Center Nationa and published by BiblioGov. This book was released on 2013-06 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the 1970's the National Oceanic and Atmospheric Administration (NOAA) was made to manage our oceanic and atmospheric resources. The Alaska Fisheries Science Center is the research branch for marine life and coastal oceans off parts of the U.S. west coast and Alaska. This includes the Eastern Bering Sea where some the worlds most important commercial fishing takes place. Their mission is to develop and maintain scientific exploration to help understand and manage that region's environment. Over the years there have been many reports published which discuss their findings; this is one of them.
Book Synopsis Factors Affecting Bottom Trawl Behavior by : Charles William West
Download or read book Factors Affecting Bottom Trawl Behavior written by Charles William West and published by . This book was released on 1981 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Data Report by : Wendy A. Hirschberger
Download or read book Data Report written by Wendy A. Hirschberger and published by . This book was released on 1985 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Description of the NEFC Commercial Fishery and Bottom Trawl Survey Data Processing Formats by : Ralph K. Mayo
Download or read book Description of the NEFC Commercial Fishery and Bottom Trawl Survey Data Processing Formats written by Ralph K. Mayo and published by . This book was released on 1978 with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt:
