Résultats de la recherche
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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
eleginoides) in the Argentine Sea, and atempts some explanation by a trophic analysis of such distribution ... cm, and most of the adult sizes (>80cm) were found in waters at depths greater than 900 meters ... analysed data in different areas including CCAMLR area, longline or trawl operation fishing is recommended ... starting from 900 meters depths, in the southern area, South of 54°S and 1000 m in 38°S to 48°S and to ...
Meeting Document : WG-FSA-97/49 : Auteur(s): Almeyda, S.M., Prenski, L.B.
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Preliminary study on the breedings of chinstrap and gentoo penguins at Barton Peninsula, King George Island
Abstract: A preliminary survey on 2 species of penguins, chinstrap and gentoo was made in the ... selected from several locations scattered in the colony. The nests were visited by 2-3 day interval and the ... change in the nest content were followed. Chicks were hatched out at 50% of the monitored nests on 18 ... chicks entered late creche stage, they were banded to determine the survival and return rates in the ...
Meeting Document : WG-CEMP-93/23 : Auteur(s): H.-C. Shin and S. Kim (Republic of Korea)
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At-sea distribution and diet of an endangered top predator: links of white-chinned petrels with commercial longline fisheries
, during breeding period in 2006 and 2008. At-sea foraging distribution of white-chinned petrels was mainly ... confined in Antarctic waters. Commercial longline fisheries targeting toothfish were operating in both ... co-occurrence (19% of birds in the vicinity of vessels). This result was confirmed by the relatively ... low occurrence of fishery-related items (4 to 22%) in chick food samples. However given the large size ...
Meeting Document : WG-FSA-10/P01 : Auteur(s): K. Delord, C. Cotté, C. Péron, C. Marteau, P. Pruvost, N. Gasco, G. Duhamel, Y. Cherel and H. Weimerskirch
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Estimating the impact of depredation by killer whales and sperm whales on longline fishing for toothfish (Dissostichus eleginoides) around South Georgia
, with killer whales present on 3.8% and sperm whales on 17.7% of lines. Killer whales appear in pod ... line of a large number of toothfish, usually depressing CPUE by about 50%. Sperm whales occur in ... , depressing CPUE by up to 20%. Sperm whales have been more frequently encountered in recent years, occurring ... in larger pod sizes, whereas killer whale encounters and pod sizes have remained relatively constant ...
Meeting Document : WG-FSA-10/P06 : Auteur(s): J. Moir Clark and D.J. Agnew
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The reliability of VHF telemetry data for measuring attendance patterns of marine predators: a comparison with Time Depth Recorder data
patterns of otariid seals. These data have been used in a wide variety of ways, from characterizing the ... reproductive and foraging ecology of these species to inferring ecosystem changes based on variation in ... . Additionally, there were significant differences in the number and duration of attendance bouts between the two ... data in a state-space framework elicited mean attendance durations that were indistinguishable from TDR ...
Meeting Document : WG-EMM-15/P05 : Auteur(s): A.D. Lowther, H. Ahonen, G. Hofmeyr, W.C. Oosthuizen, P.J. Nico De Bruyn, C. Lydersen and K. Kovacs
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Adult male Antarctic fur seals: tourists, trouble makers or marine ecosystem sentinels?
Abstract: Resource competition often results in mechanisms that ameliorate its effects, typically ... concern that any increase in catch levels should not result in long-lasting or irreparable damage to the ... breeding Chinstrap penguins in the Bransfield Strait at a time when fishing effort is minimal, as well as ... considered in understanding the functional response of penguins and suggest that male AFS could be a useful ...
Meeting Document : WG-EMM-2019/49 : Auteur(s): A. Lowther, C. Lydersen and K. Kovacs
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Krill population biology during the 1991 Chilean Antarctic krill fishery
/ Description: Population biology of Antarctic krill, Euphausia superba, was studied from samples taken in 1991 ... 419 hauls. In Area A, a unimodal size frequency distribution was found; the size range was between 30 ... spermatophore had a 36.5 mm TL, 80% of the females with spermatophores had a TL larger than 45 mm. In Area B, a ... in night-time catches while females are more abundant during daytime catches, thus showing a ... biology of Antarctic krill, Euphausia superba, was studied from samples taken in 1991 during krill ... of 419 hauls. In Area A, a unimodal size frequency distribution was found; the size range was ... larger than 45 mm. In Area B, a bimodal size frequency distribution and a larger size range were found ... composition is considered, males are more abundant in night-time catches while females are more abundant ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 223–235 : Auteur(s): Mujica R., A., E. Acuña S. and A. Rivera O.
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WG-SAM-08
/03 List of documents WG-SAM-08/04 ANALYSIS OF THE POTENTIAL FOR AN ASSESSMENT OF TOOTHFISH STOCKS IN ... TACS TO OBTAIN SUITABLY PRECISE ABUNDANCE ESTIMATES FOR NEW AND EXPLORATORY FISHERIES IN THE CCAMLR ... (UK) WG-SAM-08/08 TOWARDS THE BALANCED STOCK ASSESSMENT OF ANTARCTIC TOOTHFISH IN THE ROSS SEA D ... -SAM-08/11 A PROPOSED MANAGEMENT PROCEDURE FOR THE TOOTHFISH (Dissostichus eleginoides) RESOURCE IN THE ...
Meeting
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Availability of resources for activities
7.1.1.1 The RP considered that CCAMLR will increasingly come under financial pressure in pursuing the ... financial resources over coming years. In addition, it appears that the growth in fishing operations (if not ... for finfish then certainly for krill) will continue. In these circumstances, the RP saw significant ... merit in the Commission seeking to expand its financial base through identifying and charging for the ...
Page : Site Section: The Organisation
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SUMMARY OF NOTIFICATIONS FOR KRILL FISHERIES 2011/12
Abstract: Six Members submitted notifications for a total 15 vessels for krill fisheries in ... Subareas 48.1, 48.2, 48.3 and 48.4 in 2011/12, and the total notified, expected level of catch of krill is ... 391,000 tonnes. There was no notification submitted for exploratory fisheries for krill in 2011/12. Author ...
Meeting Document : WG-EMM-11/08 : Auteur(s): Secretariat