Search results
-
Further development of a krill fishery simulation model
to account for variability in catch rates. The most successful management regime is found to be one which ... for variability in catch rates. The most successful management regime is found to be one which restricts fishing ... predicts a 90% reduction in overlap with foraging predators, and a 15 to 20% reduction in catch. Closure ... within 75 km of breeding penguins during January and February. For this regime the model predicts a 90 ...
Meeting Document : WG-Joint-94/04 : Author(s): D.J. Agnew (Secretariat)
-
A proposal to subdivide CCAMLR Statistical Division 58.4.1 using environmental data
for the eastern one. We suggest the calculation of new precautionary catch limits for the two subdivisions ... for the western portion and 1.79 for the eastern one. We suggest the calculation of new precautionary catch limits ... 58.4.1 can be divided into two approximately equal sized subdivisions: 80-115?E and 115-150 ... ) we propose the formal subdivision of Division 58.4.1 into two based on the analysis of the scientific ...
Meeting Document : WG-EMM-00/30 : Author(s): S. Nicol and T. Pauly (Australia)
-
Proposal of the Russian Federation to establish research TAC for closed SSRU in Subareas 88.1 and 88.2
Abstract: Over the last three years at the meetings of WGs and CCAMLR SC a question about ... research TAC in open and closed SSRUs of the Ross Sea has been raised. In accordance with established ... Microsoft Word File: sam-15-20.docx Approval: Approved Secretariat Workflow Status: Content Approved ... Over the last three years at the meetings of WGs and CCAMLR SC a question about research TAC ...
Meeting Document : WG-SAM-15/20 : Author(s): Delegation of the Russian Federation
-
Preliminary assessment of mackerel icefish, Champsocephalus gunnari, on the Heard Island Plateau (Division 58.5.2) based on a survey in April–May 2003
was approximately 20% of the 2002 estimate. This decline in abundance is consistent with the passage of the strong ... of un-assessed cohorts and provide for more stable catches between fishing years, while meeting ... the objectives of Article II. Comparison of yield estimates between Mathcad and Generalised Yield Model (GYM ... the objectives of Article II and is robust against the uncertainties inherent in the stock dynamics ...
Meeting Document : WG-FSA-03/32 : Author(s): A.J. Constable, C.R. Davies, R. Williams and T. Lamb (Australia)
-
The food and feeding ecology of the white-chinned petrel Procellaria aequinoctialis at South Georgia
, when it decreased. Meal delivery rate was high (one per day) for young chicks (1-10 days old ... , when it decreased. Meal delivery rate was high (one per day) for young chicks (1-10 days old ... constituent of the diet, comprising over 90% of prey items and forming 47% of the diet by weight; fish ... ) of 8 species (chiefly in the genera Electrona and Gymnoscopelus), forming 80% by numbers and 52% by mass ...
Meeting Document : WG-CEMP-94/14 : Author(s): J.P. Croxall, A.J. Hall, H.J. Hill, A.W. North and P.G. Rodhouse (United Kingdom)
-
Algunos aspectos biologicos relevantes a la explotacion de la merluza negra (Dissostichus eleginoides Smitt, 1898) en la zona economica exclusiva argentina y sector oceanico adyacente
. The distribution of Patagonian toothfish extends between of 36°30'S and 55°S from 80 to 2500 m depth. Greatest ... of Patagonian toothfish extends between of 36°30'S and 55°S from 80 to 2500 m depth. Greatest concentration ... (>80cm) were found in waters at depths greater than 900 meters. The selectivity perimeter should ... (>80cm) were found in waters at depths greater than 900 meters. The selectivity perimeter should ...
Meeting Document : WG-FSA-97/49 : Author(s): Almeyda, S.M., Prenski, L.B.
-
Report on fishing effort and seabird interactions during the season extension trials in the longline fishery for Dissostichus eleginoides in Statistical Division 58.5.2
the periods 1–14 November 2017, 15–30 November 2017, 1–14 April 2018 and 15–30 April 2018. This report ... collected during the periods 1–14 November 2017, 15–30 November 2017, 1–14 April 2018 ... and 15–30 April 2018. This report complements the fishing effort and interaction data reported ... Abstract: CCAMLR-XXXIV (para. 5.68) endorsed new pre-season (1–14 April) and post-season (15–30 ...
Meeting Document : WG-FSA-18/57 : Author(s): T. Lamb
-
Population dynamics of black-browed and grey-headed albatrosses Diomedea melanophris and D. chrysostoma at Bird Island, South Georgia
categories delaying one further year (even when still paired). Grey-headed Albatrosses are essentially ... and 75% of those failing to do so returning to breed the next year, 5-10% of both categories delaying one ... Island, South Georgia for 17 consecutive years (1975-1991). Over this period almost all the Grey-headed ... ) decreased. Black-browed Albatrosses follow an annual breeding cycle, with over 80% of birds successful ...
Meeting Document : SC-CAMLR-XII/BG/21 : Author(s): Delegation of United Kingdom
-
Summary of the toothfish fishery and tagging program in the Ross Sea region (Subarea 88.1 and SSRUs 882A–B) through 2017/18
showed no trend over time in the shelf, slope or northern areas. Patterns in the age frequency ... over time in the shelf, slope or northern areas. Patterns in the age frequency of the catch showed ... the 2018 season. Despite 2018 being the first year of implementation of the Ross Sea region Marine ... recaptured in 2018 was similar to that recaptured in previous years, with some fish recaptured after 14 years ...
Meeting Document : WG-FSA-18/46 : Author(s): S. Mormede and S. Parker
-
Growth of krill around the South Orkney Islands in 1989/90
that krill don’t reach the age of 5 years. Author(s): Latogursky, V.I. Title: Growth of krill around ... the age of 5 years. ... . The males’ one day increments were 0.046–0.076, and for the females – 0.065–0.074 mm. It is supposed ... . The increment for this period was the same for both sexes and had about 8–9 mm in length. The males’ one day ...
Meeting Document : WG-EMM-95/05 : Author(s): Latogursky, V.I.