Search results
-
Characteristics of interannual variation in aggregation and diurnal vertical migration of Antarctic krill at South Georgia during winter
Georgia during winter based on Japanese krill fishery data during the period 1990-2012. High density and ... predictable fishing grounds occurred in the restricted areas throughout the study period. Main results are as ... predator performance were poor in the previous summer. Krill recruitment index at South Georgia suggested ... the strong influence in recruitment from the Antarctic Peninsula in the 1990s, whereas the influence ...
Meeting Document : WG-EMM-18/34 : Author(s): T. Ichii, Y. Mori, P.N. Trathan, K. Mahapatra, M. Okazaki, T. Hayashi and T. Okuda
-
Moving towards a new era in ecosystem-based krill fishery management
Abstract: To move towards ecosystem-based management of the Antarctic krill fishery and meet the ... requirements of Article II of the Convention, ASOC recommends that: SC-CAMLR endorses the work plan proposed by ... WG-EMM and prioritizes implementation of the work plan to enable revision of Conservation Measure (CM ... ) 51-07. SC-CAMLR agrees on the need to conduct subarea or finer scale stock assessments on a regular ...
Meeting Document : SC-CAMLR-38/BG/22 : Author(s): Submitted by ASOC
-
History of development and completion of tasks put forward by WG-EMM (1995–2000)
Abstract: In response to the debate at WG-EMM-99 about the development of the ecosystem approach ... within CCAMLR. The Secretariat prepared a review of the various tasks initiated at WG-EMM-95 and later ... meetings (WG-EMM-00/29). The Working Group requested that the review should be updated annually. The 2001 ...
Meeting Document : WG-EMM-01/4 : Author(s): Secretariat
-
Assessing status and change in Southern Ocean ecosystems
Abstract: A great challenge for Southern Ocean ecosystem science is to assess the status and ... function can be unambiguously assessed in the future. This challenge includes being able to assess the ... likelihood of different states in the future. These requirements are needed by different bodies regionally ... and globally for making tactical decisions, such as catch limits and conservation requirements in the ...
Meeting Document : WG-EMM-13/36 : Author(s): A. Constable (Australia), D. Costa (USA), E. Murphy (United Kingdom), E. Hofmann, O. Schofield (USA), A. Press (Australia), N. Johnston (United Kingdom) and L. Newman (Australia)
-
A generalized discriminant for sexing fulmarine petrels from external measurements
birds to predict the sex of unknown individuals in field studies. Geographic variation in size and shape ... often limits the predictive value of a discriminant function to the population from which it was derived ... , Daption capense; and Snow Petrel, Pagodroma nivea) assigned 81 to 98% of birds in the samples to the ... correct sex, but the validity of each discriminant applied to alternative populations remained ...
Meeting Document : WG-CEMP-94/24 : Author(s): J.A. van Franeker and C.J.F. ter Braak (The Netherlands)
-
SOUTHERN OCEAN SENTINEL: AN INTERNATIONAL PROGRAM TO ASSESS CLIMATE CHANGE IMPACTS ON MARINE ECOSYSTEMS
climate change impacts for use by governments, the Intergovernmental Panel on Climate Change and other ... international forums, including CCAMLR and the Antarctic Treaty Consultative Meeting: (i) what are the current ... climate change impacts on Southern Ocean ecosystems to inform governments of the consequences of climate ... change on populations, species and ecosystems; and (ii) what are the predicted future impacts on marine ...
Meeting Document : SC-CAMLR-XXVIII/BG/17 : Author(s): Delegation of Australia
-
Reproduction in Antarctic notothenioid fish - a review
although spawning is likely to take place annually. However, part of the populations of Champsocephalus ... gunnari in the Atlantic Ocean sector do not spawn each year. Gonadosomatic index (GSI) of females is 15–40 ... % at spawning. Apart from a few nototheniid species the GSI of males is much less and typi6dlly only 15 ... it is not attained until 70–80% of the maximum length. The only exception is Champsocephalus gunnari ...
Meeting Document : SC-CAMLR-X/BG/12 : Author(s): Delegation of Germany
-
First record of anti-Brucella antibodies in Arctocephalus gazella and Leptonychotes weddellii from Cape Shirreff, Livingston Island, Antarctica
Abstract: This paper describes the first detection of Brucella sp. antibodies in pinnipeds from ... (Arctocephalus gazella) and one Weddell seal (Leptonychotes weddellii) sera were tested by the Rose Bengal test ... sp. were detected with the RBT, the CFT and the c-ELISA in six of the seventeen samples involving the ... two animal species. It is concluded that a Brucella sp. described as affecting marine mammals in the ...
Meeting Document : SC-CAMLR-XVIII/BG/17 : Author(s): Delegation of Chile
-
A comparison of model predictions from KPFM1 and KPFM2
Abstract: We compare two versions of the krill-predator-fishery model to demonstrate the extent ... to which the predictions of KPFM1 can be reproduced with KPFM2. We also discuss the incorporation of ... seasonality into parameter estimates and a necessary change in the predator recruitment function of KPFM2 ... . These comparisons provide a preliminary indication that the substantial changes in the structure and ...
Meeting Document : WG-EMM-06/20 : Author(s): J. Hinke, G. Watters (USA), S. Hill and K. Reid (United Kingdom)
-
Project of a software catalog of skeletal elements from Antarctic fish species, including some identification facilities
Abstract: In our study skeletal elements from fish species of the Antarctic waters were extracted ... by bioenzyme and compared with the aim to provide a computer supported identification system ... , including a database of bone pictures and in the near future various identification keys as well, completed ... by a simple tool to compare the same skeletal elements of different species. In the database most of ...
Meeting Document : WG-FSA-05/35 : Author(s): J. von Busekist, M. Vacchi and G. Albertelli (Italy)