Resultados de la búsqueda
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Spatio–temporal dynamics of Antarctic krill fishery: identification of fishing hotspots
Abstract: Antarctic krill is a key species in the Southern Ocean food web and is also the target ... of the greatest fishery in Antarctic waters. Management of the fishery is based on a precautionary ... catch limit, representing 0.11 the allowable catch limit for CCAMLR Area 48, and further divided by ... subarea. Despite that the fishery is operating in the Antarctic Peninsula area since 1980s, the spatial ...
Meeting Document : WG-EMM-16/52 : Autor(es): F. Santa Cruz, B. Ernst and J.A. Arata
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WG-FSA-93
documents Doc Number Title WG-FSA-93/01 Provisional agenda and annotation to the provisional agenda for the ... 1993 meeting of the Working Group on Fish Stock Assessment (WG-FSA) WG-FSA-93/02 List of participants ... WG-FSA-93/03 List of documents WG-FSA-93/04 Report of the Workshop on the Management of the Antarctic ... Crab Fishery (La Jolla, California, USA, 26 to 28 April 1993) WG-FSA-93/05 Analyses performed at the ...
Meeting
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Peak mortality of krill, fished with midwater trawls and feasible criteria of krill trawls ecological safety
Abstract: The mathematical model of a fishery object contact against a mesh, while escaping ... through a trawl chafer, is presented. Based on it t the equations are provided to calculate the object ... elimination probability caused by cath and mortality in fishery operations. The coefficient of trawl ... ecological safety is offered, which is the ratio of the amount of the objects caught and objects caught and ...
Meeting Document : WG-KRILL-93/34 : Autor(es): Yu. V. Kadilnikov (Russia)
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Propuesta para establecer un Área Marina Protegida en la región del Mar de Ross
Abstract: The delegation of New Zealand proposes the establishment by the Commission for the ... the Ross Sea Region (“Ross Sea Region Marine Protected Area”). In recognition of the globally ... significant ecological, environmental, scientific and historic values of the Ross Sea Region, and in line with ... the work plan of the Scientific Committee to develop a representative system of Antarctic MPAs, the ...
Meeting Document : CCAMLR-XXXI/16 Rev. 1 : Autor(es): Delegations of New Zealand and the USA
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SUMMER SURVEY OF FUR SEALS AT PRINCE EDWARD ISLAND, SOUTHERN INDIAN OCEAN
Abstract: The onshore distributions and the abundances of Antarctic fur seals Arctocephalus ... December 2008. This repeats a survey conducted in December 2001 and extends the area surveyed to include ... the entire south-west coast of Prince Edward Island. Of the two colonies of Antarctic fur seals, the ... Subantarctic fur seals and putative hybrids. The other Antarctic fur seal breeding colony at Penguin Beach ...
Meeting Document : WG-EMM-10/P15 : Autor(es): M.N. Bester, P.G. Ryan and J. Visagie
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Modelling growth and reproduction of Antarctic krill: implications of spatial and temporal trends in temperature and food for ecosystem-based management of krill fisheries
Abstract: Errors in the growth model used in stock assessments of Antarctic krill, specifically ... higher rates of growth than occur in reality, could inadvertantly lead to over-exploitation of the krill ... population and cause impacts on krill predators. We review the three classes of models available for ... modelling krill growth – the von Bertalanffy class, the moult-cycle class based on measures of the duration ...
Meeting Document : WG-EMM-12/38 : Autor(es): A.J. Constable and S. Kawaguchi (Australia)
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Density and biomass of Antarctic krill around South Shetland Islands using by 2-dB difference method
Abstract: The dB-difference and characteristics of krill aggregation inhabiting Subarea 48.1 ... , which includes the Elephant Island peripheries and the west and south of the South Shetland Islands ... data were collected along 24 survey lines using the frequencies 38 and 120 kHz, and midwater trawling ... was performed at seven stations. Using the difference between the dB values of two volume ...
Meeting Document : SG-ASAM-17/04 : Autor(es): S.-G. Choi, K. Lee and D. An
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Propuesta para un Programa de Trabajo de Respuesta al Cambio Climático para la CCRVMA
Abstract: The attached proposed Climate Change Response Work Program addresses the remaining ... Terms of Reference of the Intersessional Correspondence Group (ICG) to develop approaches for ... integrating considerations of the impacts of climate change into the work of CCAMLR (components of TORs 7 and ... 8). It aims to build on related work of the Commission, SC-CAMLR and its working groups, and to link ...
Meeting Document : CCAMLR-XXXVI/20 : Autor(es): Delegations of Australia and Norway on behalf the Climate Change Intersessional Correspondence Group
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Calculating effective releases and recaptures for stock assessments based on tag detection and tagging mortality indices
developed using a methodology which controls for the spatial and temporal variability of fishing operations ... occurred in the same time and place (i.e. within a specific distance and in the same fishing season). The ... method showed that when the confounding effects of variable fishing location and time were controlled ... , there were nonetheless significant differences between vessels with respect to the tag detection index ...
Meeting Document : WG-SAM-14/30 : Autor(es): S. Mormede (New Zealand)
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Beach debris survey Signy Island, South Orkney Islands 1999/2000
Abstract: During the 1999/2000 austral summer the tenth annual beach debris survey was carried ... from three study beaches. The debris was counted, measured and classified by type,material, mass and ... size categories. A total of 55 items weighing 10.78kg was collected. The number of items was 35% less ... than 1998/99, and the second lowest ever recorded. The total mass of the waste recovered has decreased ...
Meeting Document : SC-CAMLR-XIX/BG/06 : Autor(es): Delegation of the United Kingdom