Resultados de la búsqueda
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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 : Autor(es): R. Hucke-Gaete, D. Torres, A. Aguayo and V. Vallejos (Chile)
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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 : Autor(es): W.Z. Trivelpiece, J.T. Hinke, A.K. Miller, C.S. Reiss, S.G. Trivelpiece and G.M. Watters
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e-sc-xxviii-a8.pdf
... e-sc-xxviii-a8.pdf ANNEX 8 REPORT OF THE FOURTH MEETING ... OF THE SUBGROUP ON ACOUSTIC SURVEY AND ANALYSIS METHODS (Ancona, Italy, 25 to 28 May 2009 ... ....................................... 479 Provide direction towards developing a probability density function (PDF) for the estimate of ... B0 based on the current understanding of uncertainties in various parameter values
application/pdf attached to:SG-ASAM-09
Meeting Report : SG-ASAM-09
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Feeding patterns of nine species of Antarctic fish and assessment of their daily food consumption
food consumption Abstract / Description: Little is known about the feeding patterns of non-commercial ... fish species in Antarctic waters. The aim of this study is to collect information on the feeding ... patterns of several commercially non-targeted species in the Indian Ocean sector of the Southern Ocean ... : Nototheniidae (four species), Channichthyidae (three species) and Bathydraconidae (two species). The study ... (36 hours), y(O) and y(T) mean indices of stomach fullness at the beginning and end of observations ... * * Abstract Little is known about the feeding patterns of non-commercial fish species in Antarctic waters ... . The aim of this study is to collect information on the feeding patterns of several commercially non ... -targetted species in the Indian Ocean sector of the Southern Ocean: Nototheniidae (four species ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 321–333 : Autor(es): Pakhomov, Y.A. and V.B. Tseitlin
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Conservation Measure Conservation Measure 22-06 (2008)
Bottom fishing in the Convention Area Limitations: Except for waters adjacent to the Kerguelen ... and Crozet Islands Except for waters adjacent to the Prince Edward Islands Adopted at Meeting ... bottom fishing activities, beginning 1 December 2008, shall follow the procedures described in ... the Scientific Committee. In addition, beginning in 2009 and biennially thereafter, the Commission ... DRAFT REPORT OF THE WORKING GROUP CONSERVATION ... MEASURE 22-06 (2008)1,2 Bottom fishing in the Convention Area Species all Area see para- graphs 1 ...
Conservation Measure : 22-06 (2008)
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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 : Autor(es): M.A. Collins, R.E. Mitchell, C.E. Main, J. Lawson, J. Watts, J. Slakowski, L. Featherstone and O. Rzewuski (UK)
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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 : Autor(es): P. Tixier, N. Gasco, G. Duhamel and C. Guinet
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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 : Autor(es): J. Roberts, R. Mitchell and R. Wakeford (United Kingdom)
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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 : Autor(es): Delegation of Chile
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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 : Autor(es): Delegation of Chile