Search results
-
Revised research plan for toothfish in Division 58.4.4b by Shinsei maru No. 3 in 2015/16
Abstract: In this document, we revise stock status assessments of D. eleginoide s in research ... results of reanalysis using CASAL models in research block 58.4.4b_1 are described in a separated document ... . We reset the revised research blocs drawn along the outer margin of grids because the previous block ... , Petersen method and CASAL OB_1b model (vulnerable biomass in 2014), respectively. The stock sizes of D ...
Meeting Document : WG-FSA-15/20 : Author(s): Delegation of Japan
-
Results from the groundfish survey conducted in CCAMLR Subarea 48.3 in January/February 2011
the shelf. Catch-weighted length frequencies of mackerel icefish indicated that 3+ sized fish ... mean biomass of 49,353 tonnes was estimated for mackerel icefish, with a lower 1-sided 95% CL of 31,373 ... prey that made a substantial contribution to the diet, occurring in 39.47% of stomachs. Catches of ... Patagonian toothfish were greater than in 2009 and 2010, with a large haul of 40-45cm fish (1.6t) around Shag ...
Meeting Document : WG-FSA-11/29 : Author(s): J. Brown, S. Gregory, K. Brigden, R. Benedet, O. Hogg, P. Brewin and L. Featherstone (United Kingdom)
-
Revised Management Plan for Cape Shirreff ASPA 149
through the Antarctic Treaty. The Management Plan for Cape Shirreff has been revised as part of the five ... data and scientific publications and on the basis of detailed Inspection Checklists completed by United ... guidance clarified through the designation of a Helicopter Access Zone (route of aircraft access) and a ... Restricted Zone (zone where all aircraft are prohibited). The boundary of the Protected Area has not been ...
Meeting Document : WG-EMM-10/21 : Author(s): P.A. Penhale (USA) and V. Vallejos Marchant (Chile)
-
Update on work to estimate krill consumption by flying seabirds in CCAMLR Divisions 58.4.1 and 58.4.2
Abstract: We outline progress on current work aimed to improve estimates of flying seabird ... abundance, and ultimately krill consumption, from land-based breeding bird counts of five species (Antarctic ... these Divisions and conclude that only 2-3% of potential flying seabird breeding habitat has been ... searched for breeding populations. We conclude that a compilation of historical population counts where ...
Meeting Document : WG-EMM-17/11 : Author(s): C. Southwell and L. Emmerson
-
Krill Fishery Report 2015
Abstract: A consolidated summary of information related to the krill fishery, in a similar format ... the Scientific Committee. Alternative options for the presentation of time-series of the spatial ... distribution of catches are included. Author(s): CCAMLR Secretariat Title: Krill Fishery Report 2015 Approval ...
Meeting Document : SC-CAMLR-XXXIV/BG/21 : Author(s): CCAMLR Secretariat
-
The need to reduce uncertainties in the Antarctic krill fishery
. Lack of sufficient information about abundance of krill and krill predator populations, their ... distribution and seasonal variability, predator-prey relationships and the effects of climate change are ... delaying the establishment of krill catch limits among small-scale management units (SSMUs) in Area 48 ... . Uncertainties over krill escape mortality and the impact of krill fishing on fish larvae and krill predators are ...
Meeting Document : CCAMLR-XXIX/BG/21 : Author(s): ASOC Observer
-
Uncertainty in green weight estimates from Norwegian krill fishing vessels
Abstract: Uncertainty related to estimates of krill green weight from catches has recently been ... an issue raised repeatedly within CCAMLR for a number of years, resulting in a modification to the C1 ... 50-60 % of the total krill harvest, and reliable uncertainty estimates from these vessels will ... therefore be important contributions to an estimate of total uncertainty in catch weight. Here, we present ...
Meeting Document : WG-EMM-13/41 : Author(s): G. Skaret and T. Knutsen (Norway)
-
The ICES Benchmark Protocol
that form the basis of ICES management advice for a stock. The review examines stock structure, fishery ... conducted outside of the ICES annual assessment and advice environment. It includes experts from outside of ... the ICES community and stakeholders to broaden the knowledge and enhance credibility. The goal of a ... a fixed short term period. Introducing benchmarking of CCAMLR assessments would be expected to ...
Meeting Document : WG-SAM-14/16 : Author(s): C. Darby (United Kingdom)
-
A bioenergetics model for estimating prey consumption by an Adélie penguin population in east Antarctica
CEMP site at Bechervaise Island using 13 years of data, a year when penguins successfully reared chicks ... , and a year with low breeding success. On the basis of variable breeding success and the proportion of ... krill and fish in their diet, we estimate that this population consumes 78-406 t of krill and 4-46 t of ...
Meeting Document : WG-EMM-16/P10 : Author(s): D. Southwell, L. Emmerson, J. Forcada and C. Southwell
-
Some changes observed in Antarctic seabird distribution and behaviour
- Kaliningrad from 1999 November to 2000 April are analyzed. Significant shift of the southern boundary range of ... fact may be explained by abundance fluctuation or shift of the Southern Polar Front to the South ... archipelago very low abundance area of blackbrowed albatross is revealed. The phenomenon may be explained by ... avoidance by BA in the area of the cold Weddell Sea waters penetrating North along the archipelago. Author(s ...
Meeting Document : WG-EMM-00/36 : Author(s): F. Litvinov (Russia)