Search results
-
Demersal finfish distribution, abundance and their biological characteristics in Statistical Subareas 48.1 (northern part) and 48.2 (2018–2020)
Abstract: The Republic of Chile completely revised its initial plan for a three-year project to ... study the distribution, abundance and biological characteristics of Antarctic demersal fish communities ... 2020. Based on the experience gained in the first phase of research and recommendations made by WG-SAM ... Subareas 48.1 and 48.2 in accordance with CM-24-01 is provided. The objective of this research survey is to ...
Meeting Document : WG-FSA-17/28 : Author(s): Delegation of Chile
-
Notes for identifying the three macrourid species, M. holotrachys, M. whitsoni and M. carinatus in CCAMLR Subarea 48.3
the identification of three macrourid species caught as bycatch in the fishery for Patagonian ... scaled). The relative positioning of the second dorsal fin and the anal fin can also be used to ... scale counts were used. M.whitsoni has a head ratio (head length/inter orbital distance) of less than ... 5.2 whilst M.carinatus has a head ratio of greater than 5.2. There was some overlap in the ranges of ...
Meeting Document : WG-FSA-02/29 : Author(s): S.A. Morley, M. Belchier, M.G. Purves, T. Mulvey and J. Dickson (United Kingdom)
-
PROPOSAL TO VARY THE REQUIREMENT TO TEST SINK RATES FOR INTEGRATED WEIGHT LONGLINE (IWL) GEAR PRIOR TO ENTERING THE CONVENTION AREA
requirement in Protocol C1 of Conservation Measure 24-02 to test the sink rate of integrated weight longlines ... could instead be conducted in the first week of fishing inside the Convention Area, potentially reducing ... compliance costs to fishers while appearing to pose little likelihood of increased seabird bycatch. The ... vessel gear and equipment, and operating procedures used for line setting. Other requirements of CM24-02 ...
Meeting Document : WG-FSA-08/36 : Author(s): I. Hay (Australia)
-
Interactions between longline vessels and seabirds in Kerguelen waters and a method to reduce seabird mortality
developped in the vicinity of South Georgia and Kerguelen islands, two internationally important breeding ... areas for procellariiform birds. Attractiveness of this fishery for seabirds, together with the ... incidental capture of birds and a method to reduce mortality were investigated during 13 days of fishing ... longline vessel. The main ship-following species were the white-chinned petrel (67% of the counts), the ...
Meeting Document : WG-IMALF-94/12 : Author(s): Yves Cherel, Henri Weimerskirch and Guy Duhamel (France)
-
RESEARCH PLAN FOR TOOTHFISH BY SHINSEI MARU NO. 3 IN 2008/09
No.3, in 07/08 season covering the whole SSRUs (Small Scale Research Units). In the course of this ... first year survey, important information, including information on distribution of toothfish, size ... composition of toothfish, and by-catch species, has been obtained. However, the information obtained by just ... consider possibility of re-opening the area for new and/or exploratory fishery. Therefore, it is essential ...
Meeting Document : WG-FSA-08/39 : Author(s): Delegation of Japan
-
OTOLITH CHEMISTRY INDICATES POPULATION STRUCTURING BY THE ANTARCTIC CIRCUMPOLAR CURRENT
Abstract: Large-scale transport of seawater in ocean currents may generate spatially complex ... population structure through the advection of life stages of marine fish species. To test this, we compared ... the chemistry of otolith nuclei from Patagonian toothfish (Dissostichus eleginoides), presently ... Circumpolar Current (ACC), which transports water eastward around the Southern Ocean. The chemistry of otolith ...
Meeting Document : WG-FSA-08/P05 - Abstract : Author(s): J.R. Ashford, C.M. Jones, E.E. Hofmann, I. Everson, C.A. Moreno, G. Duhamel and R. Williams
-
Simulation experiments and CCAMLR yield estimates using CASAL
, 2004) and investigate model performance from alternative types of observations. In general, most models ... were fitted with an expected percent root mean squared error (%RMSE) of less than 20%. The inclusion of ... the expected performance of integrated models is required that investigates a range of alternative ... “true” states with data that includes bias and variance in observations, as well as the robustness of ...
Meeting Document : WG-FSA-SAM-05/9 : Author(s): A. Dunn (New Zealand)
-
Is CCAMLR science keeping up?
and update its conservation measures in the light of emerging environmental changes, latest scientific ... those developed by experts from outside of the ‘CCAMLR club’. Two examples were considered: the ... protection of VMEs and the mitigation of marine debris and plastic pollution. This consideration concluded ... recommends that CCAMLR: Implement a process to ensure regular review of conservation measures that are not ...
Meeting Document : SC-CAMLR-XXXVII/BG/29 : Author(s): Submitted by ASOC
-
Observer activities on Japanese krill fishing vessels in the CCAMLR Convention Area
. Although the increase of expected catch of krill notified in recent years has caused concerns among some ... ) determine the level of by-catch of larval finfish, and (iii) better understand the occurrence of warp-strike ... by seabirds”. Japan believes that the purpose of observer activities for krill fishery can be ... achieved through voluntary efforts by Members. Author(s): Delegation of Japan Title: Observer activities ...
Meeting Document : CCAMLR-XXVI/BG/41 Rev. 1 : Author(s): Delegation of Japan
-
Otolith and body size relationships in the bigeye grenadier (Macrourus holotrachys) in CCAMLR Subarea 48.3
Abstract: A large sample of otoliths from Bigeye Grenadier (Macrouros holotrachys) caught as ... their usefulness as predictors of fish size was determined. Otolith mass provides a good measure of fish ... length whereas otolith length and width measurements provide less accurate estimates of fish length ... . Seasonal variations in fish mass with reproductive condition need to be considered if predictions of mass ...
Meeting Document : WG-FSA-01/39 : Author(s): S. Morley and M. Belchier (United Kingdom)