Resultados de la búsqueda
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Review of activities in monitoring marine debris in the CAMLR Convention Area
-fishing items such as packaging and wood remain the most common type of debris items found in beach ... Conservation Measure 26-01 requiring packaging bands to be cut up into 30 cm pieces. The amount of debris in ... colonies of grey-headed albatrosses and black-browed albatrosses at Bird Island has increased recently, and ... the major category of items found was plastics. The amount of fishing related items (fishing lines ...
Meeting Document : WG-IMAF-11/04 Rev. 1 : Autor(es): Secretariat
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Quantitative stock survey and some biological and morphometric characteristics of the deep-sea red crab Geryon quinquedens off south west Africa
processing the live material to a cooked frozen product, red crab is subject to a mass loss of about 54 per ... Abstract: In order to assess the abundance of the red crab Geryon quinquedens, two otter-trawl ... bimodal frequency distribution of female crabs was evident with modal sizes at 7.7 cm and 8.7 cm carapace ... cent. Analysis of stomach contents by volume showed that only 12 per cent of male stomachs contained 5 ...
Meeting Document : WS-CRAB-93/22 : Autor(es): C.J. De B. Beyers and C.G. Wilke (South Africa)
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Sexual dimorphism and sexual segregation in foraging strategies of northern giant petrels Macronectes halli during incubation
Abstract: Giant petrels (Macronectes spp) are the most sexually dimorphic of all seabirds. We ... used satellite-tracking and mass change during incubation to investigate the influence of sexual size ... dimorphism, in terms of the intersexual food competition hypothesis, on foraging and fasting strategies of ... , duration of foraging trips) was greater for females than for males. In contrast, foraging efficiency ...
Meeting Document : WG-FSA-99/38 : Autor(es): J. González-Solís, J.P. Croxall and A.G. Wood (United Kingdom)
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Hydrography and acoustic biomass estimates of Antarctic krill (Euphausia superba) near the South Shetland Islands, Antarctica, during January 2000: preliminary results
indicate the water flowing from the Bransfield Strait out to the offshore region around the east of King ... occurred to the north of Smith Island, north and east of King George Island and north and south of Elephant ... Abstract: To estimate the abundance and distribution of Antarctic krill (Euphausia superba) in ... the vicinity of South Shetland Islands (SSI), a hydroacoustic/oceanographic survey was conducted by ...
Meeting Document : WG-EMM-00/52 : Autor(es): D. Kang, Y. Lee, H.-C. Shin, W. Lee and S. Kim (Republic of Korea)
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Atlas of top predators from French Southern Territories in the Southern Indian Ocean
. Indeed, seabirds and seals are considered as good indicators of changes in ecosystems at differential ... mitigation actions and restricted protection of the sole coastal areas, are insufficient, especially for the ... seabirds and marine mammals forage. The first stage of most conservation planning is to identify areas that ... identify areas of high species richness (hotspots), focusing on threat level (endangered species). This ...
Meeting Document : WG-EMM-16/42 : Autor(es): K. Delord, C. Barbraud, C.-A. Bost, Y. Cherel,C. Guinet and H. Weimerskirch
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Genetic variation among populations of the Antarctic toothfish: evolutionary insights and implications for conservation
fisheries in a manner that will help prevent the loss of unique genetic variation from regional overfishing ... with over 70% of the world’s fish stocks being fully exploited and in many cases overexploited. On top ... of this, the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) has ... Southern Ocean. The primary target of these new commercial fishing ventures is the large pelagic ...
Meeting Document : WG-FSA-01/69 : Autor(es): R.W. Parker, K.N. Paige and A.L. DeVries (USA)
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Seasonal and interannual variation in foraging range and habitat of macaroni penguins Eudyptes chrysolophus at South Georgia
Abstract: In marine ecosystems, characterisation of the foraging areas and habitats of predators ... is a key factor in interpreting their ecological role. We studied the foraging areas of the macaroni ... penguin Eudyptes chrysolophus at Bird Island, South Georgia, throughout the breeding seasons of 1999 to ... between different stages of the breeding season, between sexes, between years and between individuals ...
Meeting Document : WG-EMM-02/21 Text : Autor(es): K.E. Barlow and J.P. Croxall (United Kingdom)
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Seasonal and interannual variation in foraging range and habitat of macaroni penguins at South Georgia
Abstract: In marine ecosystems, characterisation of the foraging areas and habitats of predators ... is a key factor in interpreting their ecological role. We studied the foraging areas of macaroni ... penguins at Bird Island, South Georgia, throughout the breeding seasons of 1999-2001 using satellite ... tracking. We investigated differences in foraging ranges and characteristics between different stages of ...
Meeting Document : WG-EMM-01/19 : Autor(es): K.E. Barlow and J.P. Croxall (United Kingdom)
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Spatial and seasonal distribution of adult Oithona similis in the Southern Ocean: predictions using boosted regression trees
Scotia Sea, two areas off east Antarctica, in the frontal zone north of the Amundsen Sea, and a small ... trees to derive relationships between environmental conditions and the distribution of the adult stage ... of the cyclopoid copepod Oithona similis in the Southern Ocean. Nearly 20 000 samples from the ... Southern Ocean Continuous Plankton Recorder survey (87% from East Antarctica) were used to model the ...
Meeting Document : WG-EMM-10/P14 : Autor(es): M.H. Pinkerton, A.N.H. Smith, B. Raymond, G.W. Hosie, B. Sharp, J.R. Leathwick and J.M. Bradford-Grieve
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Summary of monitoring and research effort and preliminary results from the 2019 Scotia Sea krill monitoring survey with FV Cabo de Hornos
South Georgia. Small animals were only rarely sampled and almost uniquely on the shelf to the east of ... Association of Responsible Harvesting Companies (ARK) and manned with personnel from the Institute of Marine ... Research to carry out a significant part of the 2019 Scotia Sea large scale krill monitoring. All sections ... of the large scale survey area were visited, and about 80 % of the coverage planned for the vessel ...
Meeting Document : WG-EMM-2019/46 : Autor(es): G. Skaret, M. Martinussen, G. McCallum, R. Pedersen, J. Rønning, A.L. Donoso, O.A. Bergstad and B.A. Krafft