Résultats de la recherche
-
Reviewing the age structured production model (ASPM) as an alternative method to estimate the Patagonian toothfish biomass at CCAMLR Subarea 48.3
toothfish stock assessment at CCAMLR Subarea 48.3. Results obtained from this model, presented in the last ... meeting of WG-FSA-SAM held in Yokohama (Japan), show acceptable fit with standardized CPUE series, annual ... catches and observed catch length proportions (Wöhler et al., 2005- WG-FSA-SAM 05/5). In this paper, we ... estimate vulnerability patterns. Results were similar to those obtained in paper WG-FSA-SAM 05/5. Author(s ...
Meeting Document : WG-FSA-05/73 : Auteur(s): O.C. Wöhler, P.A. Martinez and A. Aubone (Argentina)
-
Demographic characteristics of the Adélie penguin population of Béchervaise Island after 12 years of study
numbers) were analysed for the Béchervaise Island Adélie penguin colony in eastern Antarctica after 12 ... penguin population at Béchervaise Island were found to be more sensitive to changes in annual survival ... rates, especially of young breeding adults, than to changes in fecundity parameters. These findings are ... discussed briefly in relation to other CEMP parameters, environmental factors and fishery regulation. Author ...
Meeting Document : WG-EMM-02/48 : Auteur(s): J. Clarke, K. Kerry, A. Townsend and L. Emmerson (Australia)
-
How fast do demersal longlines sink?
and are important in efforts to minimise seabird by-catch in longline fisheries. We measured sink ... rates in still water of longlines made by Fiskevegn, the world’s leading manufacturer of demersal ... 18 cm/second for Silver lines of the same diameter. Samples of lines set by hand in still water sank ...
Meeting Document : WG-FSA-02/25 : Auteur(s): G. Robertson (Australia), E. Moe, R. Haugen (Norway) and B. Wienecke (Australia)
-
CCAMLR conservation measures: alternative approaches for fishery measures
Antarctic marine living resources. Over the 17 years of their existence, conservation measures have grown in ... number and complexity, from two measures adopted at CCAMLR-III to 61 measures in force in 2000/01. The ... most of these fishery measures are in force for a period of one year only. A review by the Secretariat ...
Meeting Document : CCAMLR-XX/20 Rev. 1 : Auteur(s): Secretariat
-
SOME FIELD MATERIALS ON AREA AND SEASON OF ANTARCTIC TOOTHFISH SPAWNING
to select locations and periods of Antarctic toothfish mass spawning in some areas of the Pacific ... Ocean and Indian Ocean sectors of the Antarctic. In the Ross Sea area the most probable areas are the ... Pacific Antarctic Ridge and the Amundsen Ridge in the Amundsen Sea area. In the Cooperation Sea area the ...
Meeting Document : WG-FSA-08/14 : Auteur(s): V. Prutko (Ukraine)
-
Observation of fishing operation and distributional behaviour of krill on a krill trawler off Wilkes Land during the 1985/86 season
operation was described in detail. Fish finder was most useful in detecting swarms while sonar was used to ... in different fishing areas. While catch per towing time reflects within-swarm density catch per day ... time and space may have difficulties in standardization when data from different vessels are to be used ...
Meeting Document : SC-CAMLR-VI/BG/35 : Auteur(s): T. Ichii (Japan)
-
Evaluating the impact of multi-year research catch limits on overfished toothfish populations
Abstract: In stocks that have been depleted by overfishing, the benefits of additional fisheries ... decades to recover even in the absence of fishing, and apparently low levels of research catches can ... significantly delay the recovery of a stock. Research catches in excess of 0.6% of B0 should be avoided to ... ensure that research doesn’t significantly impact on the recovery of depleted stocks in the long term ...
Meeting Document : WG-FSA-10/42 Rev. 1 : Auteur(s): D.C. Welsford (Australia)
-
Analysis of anomalous CPUE data from data-poor exploratory fisheries
Insung No. 7 while participating in CCAMLR exploratory fisheries. The operational characteristics of ... these ships showed distinct differences to the other ships that have participated in longline toothfish ... fisheries in Divisions 58.4.1, 58.4.2 and subarea 48.6. These differences are reflected in CPUEs with large ...
Meeting Document : WG-FSA-12/07 : Auteur(s): Secretariat and Delegation of the Republic of Korea
-
Some aspects of size composition dynamics of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea (Statistical Subarea 88.1)
mawsoni) from catches in different statistical areas of the Ross Sea was given. Biological data for two ... fishery periods were selected for comparison: 2003-2005 and 2008-2012. It allowed estimating changes in ... both periods of the fishery, in the southern statistical areas (SSRU H, I, K, L), the portion of small ... -sized immature fish had increased though the average size of fish in catches had not changed ...
Meeting Document : WG-FSA-12/17 : Auteur(s): A.K. Zaytsev (Ukraine)
-
Draft Krill Fishery Report
summary of information related to the krill fishery in a similar format to the fishery reports that are ... completed for finfish fisheries in WG-FSA (www.ccamlr.org/node/75667). The Secretariat agreed to coordinate ... in content to a finfish Fishery Report. The following compilation of information on the krill fishery ... includes a report on krill fishing in the current season and a list of notifications for next season ...
Meeting Document : WG-EMM-14/58 : Auteur(s): Secretariat