Résultats de la recherche

1. IMPROVEMENT OF KRILL FISHING NOTIFICATION ACCURACY THROUGH NOTIFICATION FEES

   of the United States The Commission adopted notification procedures for krill fishing in 2005. These ... procedures were intended to improve the Scientific Committee’s ability to provide advice to the Commission on ... krill fishing for the coming season. However, grossly inaccurate estimations of krill catch provided in ... Members’ notifications have hampered the Scientific Committee’s ability to properly estimate the seasonal ...

   Meeting Document : CCAMLR-XXIX/34 : Auteur(s): Delegation of the USA

2. Population, breeding, diet and conservation of Crozet shag Phalacrocorax [atriceps] melanogenis at Marion Island, 1994/95 to 2002/03

   Abstract:  The number of Crozet shags or cormorants Phalacrocorax [atriceps] melanogenis breeding ... at subantarctic Marion Island decreased by 68% from 841 pairs in 1994/95 to 272 pairs in 2002/03. The ... mean number of pairs at colonies also decreased and was significantly related to the overall number of ... birds breeding in any given season. The decreases coincided with a period of warming and reduced ...

   Meeting Document : WG-EMM-03/17 : Auteur(s): R.J.M. Crawford, J. Cooper, B.M. Dyer, A.C. Wolfaardt, D. Tshingana, K. Spencer, S.L. Petersen, J.L. Nel, D.G. Keith, C.L. Holness, B. Hanise, M.D. Greyling and M. du Toit (South Africa)

3. Decline of Antarctic fur seal (Arctocephalus gazella) population at SSSI No. 32, South Shetlands, Antarctica, during 1997/98: a discussion of possible causes

   Abstract:  Little is known of what happened after the exploitation period with the population of ... Antarctic fur seal (Arctocephalus gazella) on the Antarctic peninsula region, specifically on the South ... the northen tip of Livingston island, where the most important colony of this species on the South ... season diferentially counting sex and age categories to assess total population. We present the up to ...

   Meeting Document : WG-EMM-98/17 : Auteur(s): R. Hucke-Gaete, D. Torres, A. Aguayo and V. Vallejos (Chile)

4. VARIABILITY IN KRILL BIOMASS LINKS HARVESTING AND CLIMATE WARMING TO PENGUIN POPULATION CHANGES IN ANTARCTICA

   increased after competitors (fur seals, baleen whales, and some fishes) were nearly extirpated in the 19th ... Abstract:  The West Antarctic Peninsula (WAP) and adjacent Scotia Sea support abundant wildlife ... populations, many of which were nearly extirpated by humans. This region is also among the fastest-warming ... areas on the planet, with 5–6 °C increases in mean winter air temperatures and associated decreases in ...

   Meeting Document : WG-EMM-11/P1 : Auteur(s): W.Z. Trivelpiece, J.T. Hinke, A.K. Miller, C.S. Reiss, S.G. Trivelpiece and G.M. Watters

5. GROUNDFISH SURVEY IN CCAMLR SUB-AREA 48.3 IN APRIL 2008 WITH PRELIMINARY ASSESSMENT OF MACKEREL ICEFISH

   2007/08 catch that remained after the survey (1709 tonnnes) will be taken. Scenario 1, which included ... Abstract:  In April 2008 the UK undertook a bottom trawl survey of CCAMLR Sub-Area 48.3 on the FV ... Sil, with 70 bottom trawls undertaken giving good geographic coverage. Using 10 strata and the updated ... sea-floor areas and adjusting this for the low headline height of the UK trawl (see CCAMLR WG-FSA ...

   Meeting Document : WG-FSA-08/28 : Auteur(s): M.A. Collins, R.E. Mitchell, C.E. Main, J. Lawson, J. Watts, J. Slakowski, L. Featherstone and O. Rzewuski (UK)

6. Habituation to an acoustic harassment device (AHD) by killer whales depredating demersal longlines

   exposed to the device. However, the effect disappeared after successive exposures suggesting that killer ... fisheries that suffer significant losses caused by odontocete depredation. However, the efficacy of AHDs to ... deter odontocetes from fishing gear remains poorly investigated. To determine the effectiveness of AHDs ... m from the source) from a Patagonian toothfish longliner operating off the Crozet Islands while it ...

   Meeting Document : WG-FSA-14/P04 : Auteur(s): P. Tixier, N. Gasco, G. Duhamel and C. Guinet

7. Population assessment of Patagonian toothfish in Subarea 48.4 – 2011 update

   Abstract:  In this paper we update the assessment of D. eleginoides in the northern half of ... Subarea 48.4 presented in 2010. The CASAL model is improved through the incorporation catch at age data ... , as an alternative to the catch at length data that were the only such data available in 2010. The ... catch at age model generates a yield of 52 tonnes based on CCAMLR decision rules. In 2006 the northern ...

   Meeting Document : WG-FSA-11/38 : Auteur(s): J. Roberts, R. Mitchell and R. Wakeford (United Kingdom)

8. Demersal finfish distribution, abundance and their biological characteristics in Statistical Subareas 48.1 (northern part) and 48.2 (2018–2020)

   after the first survey had been undertaken in 2016. The revised proposal is planned to run from 2018 to ... Abstract:  The Republic of Chile completely revised its initial plan for a three-year project to ... study the distribution, abundance and biological characteristics of Antarctic demersal fish communities ... 2020. Based on the experience gained in the first phase of research and recommendations made by WG-SAM ...

   Meeting Document : WG-SAM-17/18 : Auteur(s): Delegation of Chile

9. Demersal finfish distribution, abundance and their biological characteristics in Statistical Subareas 48.1 (northern part) and 48.2 (2018–2020)

   after the first survey had been undertaken in 2016. The revised proposal is planned to run from 2018 to ... Abstract:  The Republic of Chile completely revised its initial plan for a three-year project to ... study the distribution, abundance and biological characteristics of Antarctic demersal fish communities ... 2020. Based on the experience gained in the first phase of research and recommendations made by WG-SAM ...

   Meeting Document : WG-FSA-17/28 : Auteur(s): Delegation of Chile

10. Preliminary analysis of seabird by-catch using CCAMLR observer data

    significant were time of year (very few birds caught after April) and use of streamer lines but the effects of ... Dissostichus eleginoides and various factors, including the nature and use of mitigating measures as well as ... presence/absence of seabird catches and a Gamma model for the magnitude of non-zero catches. Sparsity of ... combined. Other analytical difficulties, particularly in using generalised linear models, related to the ...

    Meeting Document : WG-FSA-99/28 : Auteur(s): D.J. Agnew and J.P. Croxall (United Kingdom)

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