Resultados de la búsqueda
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Fishing equipment, marine debris and hydrocarbon soiling associated with seabirds at Bird Island, South Georgia, 2006/07
reflecting discard of used baited hooks at sea. Entanglements continue to be observed with hooks being ... associated with seabirds at Bird Island, South Georgia from 1 April 2006 to 31 March 2007. It is the ... longline fishing gear) were found in association with wandering albatrosses than with any other species ... . The total number of items encountered (n =170) increased after a recent short-term decline with large ...
Meeting Document : SC-CAMLR-XXVI/BG/18 : Autor(es): Delegation of the United Kingdom
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PREDICTING SPECIES DISTRIBUTIONS FROM MUSEUM AND HERBARIUM RECORDS USING MULTI-RESPONSE MODELS FITTED WITH MULTIVARIATE ADAPTIVE REGRESSION SPLINES
Abstract: Current circumstances — that the majority of species distribution records exist as ... presence-only data (e.g. from museums and herbaria), and that there is an established need for predictions ... of species distributions — mean that scientists and conservation managers seek to develop robust ... models (GAMs) that are commonly and successfully used in modelling species distributions, but has ...
Meeting Document : WS-VME-09/P02 : Autor(es): Elith, J., Leathwick, J.
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The diet of toothfish species Dissostichus eleginoides Smitt and D. mawsoni Norman with overlapping distributions around the South Sandwich Islands, Southern Ocean
. eleginoides) was examined around the south sandwich islands in the southern ocean, one of few regions with ... (schoener overlap index of 74.4 % based on prey mass) with finfish (particularly macrourids and ... correlated with their relative abundance around the islands derived from fishery bycatch data, suggesting a ... general lack of prey selectivity. This study supports the view that bathyal toothfish are opportunistic ...
Meeting Document : WG-FSA-11/P03 : Autor(es): J. Roberts, J. Xavier and D. J. Agnew
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At-sea distribution and diet of an endangered top predator: links of white-chinned petrels with commercial longline fisheries
that at a large scale spatial and temporal overlap occurred and varied among areas and with breeding ... scale overlap estimates, suggesting that birds and vessels occupy the same overall zone with infrequent ... Abstract: Incidental seabird mortality associated with longline commercial fishing is a worldwide ... of seabirds populations, overall large numbers of birds overlap with vessels and Management ...
Meeting Document : WG-FSA-10/P01 : Autor(es): K. Delord, C. Cotté, C. Péron, C. Marteau, P. Pruvost, N. Gasco, G. Duhamel, Y. Cherel and H. Weimerskirch
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Simulating nursery areas for Antarctic krill along the western Antarctic Peninsula with relevance for the Domain 1 MPA Planning process
Antarctic marine food web. Observational and modelling studies have shown that development of the embryo and ... that conditions a successful completion of the cycle. The objective of the present study is to estimate ... , temperature-dependent model of the descent-ascent cycle of Antarctic krill embryos and larvae that was forced ... with temperature and density fields from a high-resolution model scaled by projections for 2030 for the ...
Meeting Document : SC-CAMLR-XXXVI/BG/12 : Autor(es): Delegations of Argentina and Chile
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Gap analysis: comparing CCAMLR’s port state measures with those in the FAO Agreement on Port State Measures to Prevent, Deter and Eliminate Illegal, Unreported and Unregulated Fishing
engaged in other fisheries. It is important that CCAMLR aligns its measures with those of the PSMA and ... Organizations (RFMOs) with the port State measures established by the FAO Port State Measures Agreement (PSMA ... ). Preliminary findings of this research indicate that the port State measures of these RFMOs cannot yet compare ... with the PSMA standards: they are not sufficiently comprehensive to cover all IUU fishing activity ...
Meeting Document : CCAMLR-XXIX/BG/25 : Autor(es): ASOC Observer
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Fishing equipment, marine debris and hydrocarbon soiling associated with seabirds at Bird Island, South Georgia, 2004/05
associated with seabirds at Bird Island, South Georgia from 1 April 2004 to 31 March 2005. It is the twelfth ... found in association with wandering albatrosses than with any other species, although the total number ... has decreased significantly over the past two seasons. Entanglements continue to be observed, hooks ... . Numbers of debris and fishing gear associated with other species fell from the previous season. A high ...
Meeting Document : SC-CAMLR-XXIV/BG/14 : Autor(es): Delegation of the United Kingdom
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Population dynamics of wandering albatross Diomedea exulans and Amsterdam albatross D. amsterdamensis in the Indian Ocean and their relationships with longline fisheries: conservation implications
Indian Ocean indicate that wandering albatross Diomedea exulans populations declined markedly, but since ... study of the Crozet population indicates that the earlier decline was mainly the result of increased ... band recoveries of non breeding birds indicate that during and outside the breeding season these ... populations are in contact with long-line fisheries, mainly the pelagic Japanese southern blue-Jin tuna ...
Meeting Document : WG-FSA-96/09 : Autor(es): Jouventin, P., Brothers, N., Weimerskirch, H.
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Mincing, mealing and batching: waste management strategies aimed at reducing seabird interactions with trawl vessels
(Nototodarus sloanii). There was no meal plant on board and the mealed treatment was replaced with a batching ... vessel stern. Results from the first experiment showed that mincing reduced the numbers of large ... 5% of the number that were there when unprocessed waste was discharged. On the second trial a ... smaller mincer was used. The vessel was bottom trawling, and there were problems with rocks going through ...
Meeting Document : WG-FSA-07/42 : Autor(es): E. Abraham and J. Pierre (New Zealand)
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Demersal longlines with integrated weight: a preliminary assessment of sink rates, fish catch success and operational effects
at 0.3 m/s to 15 m depth. Sink rates can be achieved by adding external weights to lines or by using ... lines with weigh integrated into the rope fibres. The sink rates to 15 m depth of 9 mm demersal ... longlines with integrated weight (IW) were tested against unweighted longlines and lines with externally ... attached weights (6 kg/49 m) in the New Zealand ling fishery. Longlines with 0 g/m (unweighted), 25 g/m, 50 ...
Meeting Document : WG-FSA-02/22 : Autor(es): G. Robertson (Australia), M. McNeill, B. King (New Zealand) and R. Kristensen (Norway)