Search results
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The orderly development of the krill fishery
Transhipment operations be overseen by the flag State, similar to the unloading of catches at port in CM 10-03 ... Abstract: During deliberations at CCAMLR XXV on revising the precautionary catch limit for krill ... , such a large increase required the inclusion of other elements in the conservation measure to ... facilitate the orderly and precautionary development of the fishery. Australia has this year submitted papers ...
Meeting Document : CCAMLR-XXVI/30 : Author(s): Delegation of Australia
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An investigation of integrated stock assessment methods for the Patagonian toothfish (Dissostichus eleginoides) in Division 58.5.2 using CASAL
the abundances of juvenile fish but adding fishery catch-at-length data, including a standardised ... . Although computer processing time is substantially increased, the inclusion of the catch-at-length and the ... primarily based on the 2005 assessment implemented in the Generalised Yield Model (GYM) using survey data of ... catch-per-unit-effort (CPUE) series. The base-case scenario was then extended to include estimates of ...
Meeting Document : WG-FSA-SAM-06/14 : Author(s): A. Constable, S. Candy and I. Ball (Australia)
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2015-16 Research plan in Division 58.4.4 for Dissostichus spp.
expectation of tag-recapture: SSRU C at 25 tons and SSRU D at 35 tons. Author(s): Delegation of France Title ... Abstract: Regarding the low levels of stocks of Dissostichus spp. and the high levels of IUU ... estimated around 700 tonnes. CASAL model is updated with 2014 data but in the absence of an assessment using ...
Meeting Document : WG-SAM-15/52 : Author(s): Delegation of France
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Research plan for the exploratory longline fishery for Dissostichus spp. in 2016/17 in Division 58.4.3a by France and Japan
remain unchanged at 32 tonnes for 2016/17 to maximize the expectation of tag-recapture. Author(s ... 58.4.3a was estimated during WG-FSA 2015 using the Petersen estimator at 398 tonnes. Despite further ... developments of CASAL integrated stock assessment models for this division in 2015, geometric mean of Chapman ... biomass estimators is used for the calculation of stock size in this division in 2015. The developing ...
Meeting Document : WG-SAM-16/03 : Author(s): Delegations of France and Japan
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An assessment of seabird interactions with longlining operations for Dissostichus eleginoides around South Georgia, March–May 1997
interactions with seabirds, and the effectiveness of measures employed to mitigate seabird mortality. In this ... study 61 lines were laid during April and May, all set at night using the Spanish double-line method ... setting operations and all but one during April, giving an average mortality rate of 0.018 birds/1000 ... hooks, and 0.099 birds/1000 observed hooks. Mortalities consisted of nine white-chinned petrels, two ...
Meeting Document : WG-FSA-97/09 : Author(s): Ashford, J.R., Croxall, J.P.
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Network characterisation of the food-web of the Ross Sea, Antarctica
food-web structure and function at the spatial, temporal and ecological scale of the ecosystem model ... . Effects at smaller spatial and temporal scales, and effects concerning only parts of trophic groups, are ... Abstract: A balanced ecosystem model is used to explore the system-level characteristics of the ... food-web of the Ross Sea shelf and slope before the advent of commercial fishing for Antarctic ...
Meeting Document : WG-EMM-12/53 : Author(s): M.H. Pinkerton and J.M. Bradford-Grieve (New Zealand)
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Analysis of seamount-specific catch and tagging data in the Amundsen Sea, SSRU 88.2H
is recommended that the stock assessment include only recaptures of tagged fish that have been at ... features in SSRU 88.2H were analysed to compare multiple raw indicators of biomass trends in isolated local ... catch data are unlikely to index abundance at small temporal and spatial scales. Although indicative ... the choice of reference area, the method produced lower biomass estimates than mark-recapture ...
Meeting Document : WG-SAM-14/27 : Author(s): S.J. Parker (New Zealand)
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Warp strike observations
• 789 large bird heavy contacts were observed, at an average rate of 3.5 heavy contacts per hour (c. v ... Abstract: This report contains an analysis of data on seabird trawl-warp strike collected by ... summer of 2004 – 2005. The aim of the work was to test a new protocol for quantifying warp-strikes and to ... probability of warp strikes occurring for small and large birds. The protocol was designed for use by non ...
Meeting Document : WG-FSA-05/40 : Author(s): E. Abraham (New Zealand)
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Demonstrating global leadership in marine spatial protection
Reserves. Adoption of a general Conservation Measure on MPAs at CCAMLR XXX should assist Members in the ... as they convene for their 30th annual meeting. One of the most important is fulfilling their ... commitment to meet the World Summit on Sustainable Development (WSSD) goal of designating a representative ... system of marine protected areas (MPAs) and Marine Reserves by 2012.1 The recent Workshop on Marine ...
Meeting Document : CCAMLR-XXX/BG/20 : Author(s): Submitted by ASOC
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Modelling the impact of krill fishing on seal and penguin colonies
Abstract: A key area of concern highlighted by the Scientific Committee of the Commission for the ... Conservation of Antarctic Marine Living Resources (CCAMLR) concerns the potential overlap of the krill fishery ... with the foraging area of land-based predators such as seals and penguins in the Antarctic Peninsula ... region. The dynamics of krill in this region are strongly influenced by advective processes. A key ...
Meeting Document : WG-EMM-05/14 : Author(s): É.E. Plagányi and D.S. Butterworth (South Africa)