Search results
-
Research program on resource potential and life cycle of Dissostichus species from the Subarea 88.2 A in 2016-2019
fishing seasons 2016-2019. The present program aims to recapture tagged fishes released during the ... implementation of the previous research program took place in 2010-2012 fishing seasons and investigate resource ... potential and life cycle of Dissostichus species within the eastern part of the Ross Sea over shelf and ... continental slope within the Subarea 88.2 A. This document proposes multinational research in Subarea 88.2 A ...
Meeting Document : WG-FSA-16/16 Rev. 1 : Author(s): Delegation of the Russian Federation
-
A preliminary assessment of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2016 random stratified trawl survey
Abstract: The annual Random Stratified Trawl Survey was undertaken in Division 58.5.2 in the ... icefish population structure, abundance and yield for the area of Division 58.5.2 to the west of 79 o 20 ... the population. These projections indicate that catches of 561 t in the 2016/17 season and 402 t in ... the 2017/18 season satisfy the CCAMLR decision rules. Author(s): D. Maschette and D. Welsford Title ...
Meeting Document : WG-FSA-16/26 : Author(s): D. Maschette and D. Welsford
-
Updated assessment of the risks of status quo krill fishing and proposed revisions to Conservation Measure 51-07
Abstract: We used an ecosystem model to assess the risks of 1) the most recent distribution of ... krill catches in Subareas 48.1-48.3 and 2) current proposals to increase the catch limit in Subarea 48.1 ... . Our results show that the concentration of fishing effort since 2009 increases the risks that predator ... exacerbated by increased catches in Subarea 48.1. We briefly discuss the implications of our results and ...
Meeting Document : SC-CAMLR-XXXV/BG/36 : Author(s): Delegation of the USA
-
Off the hook? Initiatives to reduce seabird by-catch in longline fisheries
Abstract: The recent history of global initiatives to reduce seabird by-catch in longline ... fisheries are reviewed, highlighting in turn the activities of environmental and industry non-governmental ... Fisheries, adopted by the Food and Agriculture Organization of the United Nations in June 1999, has much ... promise for effectively addressing the problem, if nations are willing to develop and implement it ...
Meeting Document : WG-FSA-99/6 : Author(s): J. Cooper (South Africa), J.P. Croxall (United Kingdom) and K.S. Rivera (USA)
-
Climate Change, Longevity Overfishing and Precautious Management of the Area 88 Toothfish Fishery
Abstract: Three aspects of current management of the “exploratory” Antarctic toothfish ... (Dissostichus mawsoni) fishery in Area 88 indicates that less-than-full precaution is being exercised in the ... of this species to climate-related factors; and 3) an increase in that sensitivity owing to the ... targeted removal of the oldest, most successful and most fecund toothfish. The current strategy is to ...
Meeting Document : WG-FSA-09/07 : Author(s): D. Ainley (USA), M. Massaro, G. Ballard (New Zealand) and J.T. Eastman (USA)
-
VPA as one of the approaches for settling a problem of Patagonian toothfish, Dissostichus eleginoides, population quantity (Subarea 48.3, South Georgia)
Abstract: In order to avoid several problems associated with assessing the D. eleginoides stock ... in Subarea 48.3, it has been proposed to use the FAO programme ANACO (Mesnil, 1989) which allows one ... resorting to additional information on effort. VPBAS files for running the programme were created using our ... data as well as CCAMLR data. Some assumptions were made for this exercise. Assessments for the period ...
Meeting Document : WG-FSA-95/14 : Author(s): Shlyakhov, V.A.
-
Status and trends of Adelie penguin populations in the Ross Sea region
Abstract: Aerial reconnaissance and photography were used in the Ross Sea sector of Antarctica to ... determine the breeding locations of Adé1ie penguins Pygoscelis adeliae, and to count the numbers of nests ... occupied during the early incubation period. From 1981 to 1987, all islands and sea coasts between 158°E ... Adé1ie rookeries are now known from the region, with a total of about 1,082,1300 breeding pairs – almost ...
Meeting Document : WG-CEMP-92/23 : Author(s): R.H. Taylor, P.R. Wilson and B.W. Thomas (New Zealand)
-
A biomass estimate of Antarctic krill (Euphausia superba) at the Balleny Islands
Abstract: The biomass of Antarctic krill (Euphausia superba) at the Balleny Islands, Antarctica ... data processing followed the recommendations of CCAMLR SG-ASAM. Two parameterisations of the krill ... acoustic target strength model were used. The first parameterisation assumed a vertical orientation of ... krill, θ, as a normal distribution, mean = 11°, standard deviation = 4°, N(11,4), the second ...
Meeting Document : WG-EMM-15/17 Rev. 1 : Author(s): M.J. Cox (Australia), Y. Ladroit, P. Escobar-Flores and R.L. O’Driscoll (New Zealand)
-
ANTARCTIC PENINSULA DECADAL WINTER TEMPERATURE ANOMALIES AND ANTARCTIC KRILL VARIABILITY IN THE SOUTH ATLANTIC REGION: PRELIMINARY RESULTS
Abstract: The influence of the climate change on krill based Southern Ocean ecosystem is studied ... intensively last decade. To study the possible connections between Antarctic Peninsula regional climate ... warming and ecosystem changes the data of Antarctic krill density (KRILLBASE data) and of surface air ... temperature (READER data) were used. Decadal variability of winter temperature on the regional scale was ...
Meeting Document : WG-EMM-11/41 : Author(s): G.P. Milinevsky, A.V. Grytsai and L.K. Pshenichnov (Ukraine)
-
Modelling the circumpolar distribution of Antarctic toothfish (Dissostichus mawsoni) habitat suitability using correlative species distribution modelling methods
Abstract: Understanding and predicting the distribution of Antarctic toothfish (Dissostichus ... to CCAMLR’s management of this species. In this paper the use of Maxent models with fishery catch ... suitability is explored. Maxent is highly sensitive to biased sampling effort and the selection of background ... data. Hence, the influence of background data selection on Maxent model predictions using two ...
Meeting Document : WG-FSA-15/64 : Author(s): CCAMLR Secretariat