Resultados de la búsqueda
-
CEMP data inventory and summary analysis
in accordance with the ‘ecosystem approach’. This report: summarises CEMP data submissions for the ... 2015/16 season, presents a CEMP data inventory and metadata overview for Area 48, and outlines the ... process and methods used to provide data extracts for analyses by Members as part of the development of ... to the clarification of the format for submitting data on penguin breeding population size and ...
Meeting Document : WG-EMM-16/08 : Autor(es): CCAMLR Secretariat
-
Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea including data from the 2006/07 season
), using revised catch, catch-at-age, and tag-recapture data for the 2007 season. The updated reference ... . Models using tag-recapture data from all vessels are also presented. Inclusion of all vessels tagging ... data resulted in a more optimistic assessment. The more optimistic estimate was probably due to the ... survival of tagged fish, or to poorer detection rates. However, if data from all vessels was restricted to ...
Meeting Document : WG-FSA-07/37 : Autor(es): A. Dunn and S.M. Hanchet (New Zealand)
-
Draft updated data collection plan for the Ross Sea toothfish fishery
Abstract: Data are collected for use in scientific research, the results of which are used to ... inform management decisions made to achieve specific goals. Any data collection plan should be drawn from ... data collection plan. This paper provides context with the proposed medium term research objectives ... , specific data requirements to meet those objectives, the basis for the proposed sampling scheme, and the ...
Meeting Document : WG-FSA-15/40 : Autor(es): S.M. Hanchet, S.J. Parker and S. Mormede (New Zealand)
-
ANALYSIS OF VME DATA COLLECTED BY UK VESSELS FISHING IN THE ROSS SEA DURING THE 2008/09 CCAMLR SEASON
Abstract: Analysis of VME data collected in 2008/09 by UK vessels and national and international ... observers onboard was carried out to explore evidence of VMEs in the Ross Sea. 2008/09 data corroborated ... areas in 88.1I, E and F identified in our previous analysis of data collected by observers on UK vessels ... established between VME Indicator Units and CPUE data collected in 2008/09, in order to understand better the ...
Meeting Document : WS-VME-09/05 : Autor(es): Peatman, T., Mitchell, R.E., Pearce, J., Agnew, D.J.
-
Influence of tag numbers, size of tagged fish, duration of the tagging program, and auxiliary data on bias and precision of an integrated stock assessment
Abstract: Using a modeling framework for toothfish population dynamics, fishing and data ... tagging program, the size of tagged fish, and the type of auxiliary data used in the assessment. The ... recaptures and maximise the likelihood of a robust assessment. (2) Using catch-at-age data instead of catch ... -at-length data substantially improved all assessment estimates and was required for adequately ...
Meeting Document : WG-SAM-12/24 : Autor(es): P.E. Ziegler (Australia)
-
Assessment models for Antarctic toothfish (Dissostichus mawsoni) in SSRU 882E including data from the 2005/06 season
-at-age and tag-recapture data from New Zealand and all vessels. The updated reference case resulted ... and recapture data and the all vessel tag-release and recapture data (B0= 10 300 t and 9 530 t ... respectively). Model fits to the data were adequate, with the tag-release and recapture data providing the most ... information on stock size, but none of the data sets had much information about the maximum size of the stock ...
Meeting Document : WG-FSA-06/48 : Autor(es): A. Dunn and S.M. Hanchet (New Zealand)
-
Influence of the quality and quantity of data from a multi-year tagging program on bias and precision of biomass estimates from an integrated stock assessment – update
of the tagging program, the type of auxiliary data used in the assessment, and the catch history ... . Biomass estimates generally improved with more and better quality tagging data, however important nuances ... and the resulting data should not be used in stock assessments with only few years of data available ... , creating ‘contrast’ in the data by strongly reducing the fish biomass is not needed for tag-based ...
Meeting Document : WG-FSA-12/18 : Autor(es): P.E. Ziegler (Australia)
-
Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) - Version 2015 - Part B: Description of available spatial data
data retrieval process (Part B); to describe the results of the scientific analyses and the MPA ... state of Part B of the scientific background document. Part B informs on the data retrieval process ... within the WSMPA project. Chapter 1 describes the environmental data sets that were acquired for the ... data situation regarding ecological data sets. Most data sets are already presented in our background ...
Meeting Document : WG-EMM-15/39 : Autor(es): K. Teschke, H. Pehlke and T. Brey on behalf of the German Weddell Sea MPA (WSMPA) project team, with contributions from the participants at the International Expert Workshop on the WSMPA project (7-9 April 2014, Bremerhaven)
-
Linking acoustic scattering coefficient to krill fishery data: feasibility of estimating krill abundance using fishing survey
fisheries. In this paper, using the multi-frequency acoustic data and the fishery data, the relationship ... abundance based on fishery data. The results showed that average catch of daytime trawls was significantly ... y=2.0324x+6.3795 (R 2 =0.785). More acoustic data and fishery data are needed to verify the ... using acoustic and fishery data. Author(s): T. Wang, G.P. Zhu, J.F. Tong and L.X. Xu Title: Linking ...
Meeting Document : WG-EMM-17/44 : Autor(es): T. Wang, G.P. Zhu, J.F. Tong and L.X. Xu
-
Summary of incidental mortality associated with fishing activities collected in scientific observer and vessel data during the 2018 season
Abstract: This paper summarises data collected by Scheme of International Scientific Observation ... fisheries in which seabird mortalities have been reported are presented with the data from observers and ... vessel supplied data. Based on data received up to 8 October 2018, the extrapolated total of 87 birds ... associated with fishing activities collected in scientific observer and vessel data during the 2018 season ...
Meeting Document : WG-FSA-18/13 Rev. 1 : Autor(es): CCAMLR Secretariat