Résultats de la recherche
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Antarctic ecosystem management
in accordance with the objectives and requirements of Article II of the Convention for the ... Abstract: This document describes a framework within which an initial strategy could be developed ... for the management of the commercial exploitation of the marine living resources of the Southern ocean ... . More particularly, practical approaches are suggested for managing the exploitation of krill and fish ...
Meeting Document : WG-DCH-84/03 : Auteur(s): D.S. Butterworth (South Africa)
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A spatial multi-species operating model (SMOM) of krill–predator interactions in small-scale management units in the Scotia Sea
krill. The SMOM developed here is intended for use as an operating model in a formal MP framework ... compared on the basis of an agreed set of performance statistics which essentially compare the risks of ... dynamics is developed in response to requests for scientific advice regarding the subdivision of the ... precautionary catch limit for krill among 15 small-scale management units (SSMUs) in the Scotia Sea to reduce ...
Meeting Document : WG-EMM-06/12 : Auteur(s): É. Plagányi and D. Butterworth (South Africa)
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Support to CAMLR to identify and deter illegal, unreported and unregulated (IUU) fishing activities that undermine the objective of the CCAMLR Convention – Interim Report
July 2018. The funds granted by CCAMLR to INTERPOL total €50 000 for the 2018 calendar year. The source ... of the CCAMLR funding is an EU Grant. Author(s): Submitted by INTERPOL Title: Support to CAMLR to ... : Content Approved Document Release Consent: No Delegation responsibility for releasing documents: CCAMLR ...
Meeting Document : CCAMLR-XXXVII/BG/42 Rev. 1 : Auteur(s): Submitted by INTERPOL
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Diet overlap among top predators at the South Orkney Islands, Antarctica
analyzed diet information on nine bird and two seal species collected in the austral summer from 1996 to ... responsibility for releasing documents: Argentina ... had high overlap of fish prey. Predators that could forage on demersal or water column prey had yearly ... variable diets. This variability may be explained by fluctuations in krill availability. In years when ...
Meeting Document : WG-EMM-18/04 : Auteur(s): M.L. Bertolin and R. Casaux
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Development of a fine-scale model of land-based predator foraging demands in the Antarctic
for a number of reasons. An alternative method of calculating an index of fishery-predator interaction ... two utilisers of the krill resource. Author(s): D.J. Agnew and G. Phegan (Secretariat) Title ... is developed, which is based on a detailed model of the supposed functional interaction between these ...
Meeting Document : WG-Joint-94/08 : Auteur(s): D.J. Agnew and G. Phegan (Secretariat)
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Age and growth of Antarctic Euphausiacea (Crustacea) under natural conditions
Peninsula and the southeastern Weddell Sea. Life spans range from two years for Euphausia frigida to six ... years for the krill Euphausia superba. Growth in length and weight was calculated by non-linear ... eastern Weddell Sea. Former opinions that differ are discussed. Seasonal growth was re-analyzed for the ... species Euphausia triacantha, and a three-year life span proposed. Male Euphausia crystallorophias have a ...
Meeting Document : SC-CAMLR-VI/BG/24 : Auteur(s): V. Siegel (FRG)
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Acoustic survey design to estimate krill biomass in Subareas 48.1, 48.2 and 48.3
synoptic survey of krill biomass in Statistical Area 48. Example calculations are presented for estimating ... 1.25 ship-months of survey effort can provide an estimate of krill biomass in Subareas 48.1, 48. 2 and ... 48.3 with a CV of 20%. Author(s): Hewitt, R.P., Watters, G. Title: Acoustic survey design to estimate ... Abstract: The Scientific Committee has requested advice on the feasibility of conducting a ...
Meeting Document : WG-EMM-95/71 : Auteur(s): Hewitt, R.P., Watters, G.
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Analysis of the diet of Champsocephalus gunnari in Subarea 48.3, Dr E. Holmberg survey, February 1995
empty stomachs (also at Shag Rocks), close to the values reported for years of krill scarcity. While no ... , an acoustic survey carried out in the same area in March 1995 detected such aggregations. It is ... suggested that krill availability for C. gunnari around South Georgia in the 1995 summer season, was ... krill availability indicated by frequency of occurrence, but, on the other hand, high proportions of ...
Meeting Document : WG-FSA-95/36 : Auteur(s): Marschoff, E., Barrera-Oro, E., Casaux, R.
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The effects of global climate variability in pup production of Antarctic fur seals
Antarctic fur seal pup production at South Georgia over a 20-year period in response to environmental ... reductions in Antarctic fur seal pup production over 20 years of study. Simulated environmental time series ... Abstract: Climate variability has strong effects on marine ecosystems, with repercussions that ... suggested that the effect of anomalies on Antarctic fur seals was only detectable within a narrow range of ...
Meeting Document : WG-EMM-06/P2 : Auteur(s): J. Forcada, P.N. Trathan, K. Reid and E.J. Murphy (United Kingdom)
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A CHARACTERISATION OF THE TOOTHFISH FISHERY IN SUBAREAS 88.1 AND 88.2 FROM 1997/98 TO 2008/09
Abstract: The exploratory fishery for Dissostichus spp. has now been operating for 13 years in ... Subarea 88.1 and for 8 years in Subarea 88.2. During that time a large amount of distributional and ... distribution of sea-ice, the SSRU catch and bycatch limits, and an increase in knowledge of the various grounds ... overall length frequency distribution, and no evidence for a reduction in fish length in any SSRU over ...
Meeting Document : WG-FSA-09/36 : Auteur(s): S.M. Hanchet, A. Dunn and S. Mormede (New Zealand)