Full Name
Подгруппа по акустическим съемкам и методам анализа
Место:
Анкона, Италия
Дата/время начала совещания:
Дата/время окончания совещания :
Срок подачи документов
понедельник, мая 11, 2009 - 00:00 Хобарт, Австралия (Документ рабочей группы)
Отчет совещания:
r-sc-xxviii-a8.pdf
(558.22 КБ)
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1 Introduction
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1.1 Opening of meeting
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1.2 Meeting terms of reference and adoption of the agenda
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2 Provide advice that will assist in quantifying uncertainties in krill B0 estimates
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2.2 Collate a set of net-validated acoustic data and evaluate whether current acoustic target identification methods are biased
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2.3 Provide direction towards developing a probability density function for the estimate of B0 based on the current understanding of uncertainties in various parameter values.
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2.1 Review recent research results including developments in target strength modelling and observations on krill orientation and material properties
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3 Document the current agreed protocols for krill B0 assessment
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4 Discuss the use of ancillary acoustic data (e.g. from finfish surveys, exploratory fisheries data and commercial fisheries echo sounders)
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4.2 Document protocols for analysing, processing, and interpreting ancillary acoustic data (e.g., data collected during exploratory fisheries)
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4.3 Determine whether such data can provide krill biomass estimates from areas that are not regularly surveyed
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4.4 Discuss future needs for acoustic instrumentation in the Antarctic
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4.1 Review recent research results involving collection of ancillary acoustic data
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5 Evaluate results from IPY surveys in 2008
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5.2 Presentation of new results from IPY surveys
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5.3 Determine whether data can provide krill biomass estimates from areas that are not regularly surveyed
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6 Evaluate developments in target strength modelling and other new observations on Antarctic fish species
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6.1 Presentation of new results
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7 Attempt to resolve difficulties identified with the swept-area estimation of icefish abundance
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7.1 Discuss appropriate application of the adjustment factor for trawl headline height used in surveys for C. gunnari
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8 Suggestions for timing/venue of next meeting
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9 Recommendations to Scientific Committee
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10 Adoption of Report
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11 Close of Meeting
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5.1 Review acoustic data and related metadata submitted to CCAMLR
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