Resultados de la búsqueda
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Habitat use of type – C killer whales (Orcinus orca) in the Ross Sea, Antarctica
completing the Research and Monitoring Program required by the MPA and furthering conservation measures in ...
Meeting Document : WG-EMM-2019/08 : Autor(es): G. Lauriano, E. Pirotta, T. Joyce, R. L. Pitman and S. Panigada
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The Scientific Committee on Antarctic Research (SCAR) Annual Report 2018/2019
. Author(s): Submitted by SCAR Title: The Scientific Committee on Antarctic Research (SCAR) Annual Report ...
Meeting Document : SC-CAMLR-38/BG/16 : Autor(es): Submitted by SCAR
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Proposal for multi-Member research on Dissostichus spp. in Divisions 58.4.1 and 58.4.2 from 2019/20 to 2021/22
propose the research program on Dissostichus spp by the multi-vessels in Divisions 58.4.1 and 58.4.2 for ...
Meeting Document : WG-FSA-2019/52 : Autor(es): Delegation of the Russian Federation
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WG-EMM-97
/08 Variation in foraging effort by lactating Antarctic fur seals: response to simulated increased ... island region during the 1996/97 season Siegel, V. WG-EMM-97/17 Consumption of krill by minke whales in ... /37 Interannual and seasonal variability of salp by-catch from Japanese krill fishery around the South ... estimated density of krill from an acoustic survey with that obtained by scientific nets on the same survey ...
Meeting
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CCAMLR Statistical Bulletin, Vol. 27
Description / Abstract: An interactive volume of the CCAMLR Statistical Bulletin in MS Access (2000) format.
Document : Site Section: Data
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The influence of bait quality on the sink rate of bait used in the Japanese longline tuna fishing industry: an experimental approach
bearing a hook alone by 50% to 2 sec. m-1. The results highlight the importance of careful bait selection ... sinker to a conventional 20 g tuna hook reduced the sink time of bait bearing a hook alone by 50% to 2 ... economic cost to fishermen of bait loss induced by birds (Brothers, 1991). Seabirds rely on visual ... than that achievable by diving birds within the area astern of a ship that is protected by a bird ... does not operate within CCAMLR waters, many of the albatrosses caught by longliners breed on islands ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 123–129 : Autor(es): Brothers, N., A. Foster and G. Robertson
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The Patagonian toothfish (Dissostichus eleginoides) fishery in the Kerguelen Islands (Indian Ocean sector of the Southern Ocean)
the exploited population have been obtained from scientific observation programs conducted by fishery ... the average sizes found between years (Table 5). Sex ratio and sexual maturity stages by size ... population have been obtained from scientific observation programs conducted by fishery observers on board ... of D. eleginoides were discovered in the high seas, on the islands’ western shelf, by former USSR ... model was tested by dividing Pearson’s X2 by the number of degrees of freedom of X2. The simplest ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 1–25 : Autor(es): Lord, C., G. Duhamel and P. Pruvost
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A composite recruitment index to describe interannual changes in the population structure of Antarctic krill at South Georgia
target net haul data can be included by using the composite recruitment index. This index is used to ... . Before 1994 the number of 1+ krill found around South Georgia was very low (proportion of 1+ krill <7 ... %), while between 1994 and 1998 the number of 1+ krill found in the population increased with a very ... data can be included by using the composite recruitment index. This index is used to describe the ... Peninsula region have been presented in a series of papers by Siegel and coworkers (Siegel and Loeb, 1995 ... ; Siegel et al., 1997, 1998). For the South Georgia region estimates of krill biomass derived by acoustic ... population structure have been obtained from krill eaten by predators at the western end of South Georgia ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 71–84 : Autor(es): Watkins, J.L
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Factors that may influence the accuracy of abundance estimates from CCAMLR tag-recapture programs for Dissostichus spp. and best practice for addressing bias
spatial structure of release and recapture efforts by fishing and research vessels, development of ... attack. A study by Agnew et al. (2006a) found that injuries, as well as larger size and capture from ... throughout their life cycle, as well as the spatial structure of release and recapture efforts by fishing ... (see review by Polacheck et al., 2010). For exam- ple, stock assessment model frameworks such as CASAL ... caught in a sample and scanned for tags. This equation can be transposed to estimate N by: CN M R ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 63–72 : Autor(es): Welsford, D.C. and P.E. Ziegler
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Patagonian toothfish in international waters of the Southwest Indian Ocean (Statistical Area 51)
eleginoides) took place from 28 June to 27 July 2003. This experiment was carried out by a Spanish longliner ... . eleginoides in the area should be able to be found by following these water masses at in- creasing depths ... 2003. This experiment was carried out by a Spanish longliner, following commercial fi shing procedures ... observations were conducted by a national observer. Using the Spanish bottom longline system, a total of 57 ... , followed by a mixture layer below, and the intermediate sub-Antarctic water masses in the layer deeper ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 207–214 : Autor(es): López Abellán, L.J