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CCAMLR ecosystem monitoring and a feedback management procedure for krill
-term declines in land-based predator performance (e.g., reproductive performance) that may be ... Ecosystem Monitoring Program might be incorporated into a feedback management strategy for this fishery ... performance (e.g., reproductive performance) that may be attributable to loss of prey through fishing ... ways in which the information being obtained from the Ecosystem Monitoring Program might be ... management should be developed for the krill fishery (CCAMLR, 1991 .: paragraph 4.9). The Working Group on ... -based predator performance (e.g., reproductive performance) that may be attributable to loss of prey ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 345–350 : Автор(ы): Constable, A.J.
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REPORTS UNDER ARTICLES X, XXI AND XXII OF THE CONVENTION AND CONSERVATION MEASURES 10-06 AND 10-07 – IUU FISHING AND IUU VESSEL LISTS 2009/10
respect of vessels which could be included on a Draft Contracting or non-Contracting Party IUU Vessel ... any vessels which could be removed from the adopted IUU Vessel Lists in accordance with Conservation ... reports had been received in respect of vessels which could be considered for removal from the CP or NCP ... would be deemed removed from the CP-IUU Vessel List once China had formally informed the Commission that ...
Meeting Document : CCAMLR-XXIX/16 : Автор(ы): Secretariat
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Antarctic fur seal (Arctocephalus gazella) pup growth rates obtained at Cape Shirreff, Livingston Island, South Shetlands: 1994/95 to 1997/98 (CEMP Index C2, Procedure B)
both sexes, and assumptions of linearity and homogeneity of variance proved to be adequate (? =0.05 ... 1994, and females in 1995 and 1996. This could be explained by differential maternal expenditure ... ). Further conclusions will have to be tested with larger data sets in order to establish possible ... explained by pup growth rates until present. Pup growth rates might be influenced indirectly by sea-ice ...
Meeting Document : WS-AREA 48-98/18 Rev. 1 : Автор(ы): R. Hucke-Gaete, V. Vallejos and D. Torres (Chile)
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COMPARISON OF THE PRECISION OF DIRECT VERSUS AGE LENGTH KEY METHODS OF ESTIMATING CATCH-AT-AGE PROPORTIONS
Abstract: Catch-at-age proportions can be estimated directly using a simple random sample (SRS ... class. This “direct” method can be replaced by the age length key (ALK) method if there are in addition ... employed, the ALK method can be used to obtain unbiased estimates from age-length samples that have been ... ). LBrs can be easily implemented by directing observers to sample length-bins for fish to have their ...
Meeting Document : WG-FSA-09/22 Rev. 1 : Автор(ы): S.G. Candy (Australia)
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Migrations of Antarctic fish Pseudochaenichthys georgianus Norman, 1939 in the Scotia Sea
not in sampled area, have to be assumed to be near or under ice feeding on juvenile krill and fish ... efficiency in food assimilation. This behavior save them before to be driven to open pelagic water and ensure ... near Eastern shores of South Georgia where water is warmer and sheltered before to be driven to Eastern ...
Meeting Document : WG-FSA-12/68 Rev. 1 : Автор(ы): R. Traczyk (Poland)
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Cetaceans as indicators of historical and current changes in the East Antarctica ecosystem
factors. This paper reviews the scientific information of whales that could be indicative of changes in ... investigate the plausibility of this hypothesis it will be necessary to obtain information on krill biomass ... the information is scattered and needs to be combined with new surveys in a comprehensive and ... consistent way so that a time series can be obtained. Author(s): Y. Fujise and L.A. Pastene Title ...
Meeting Document : WG-EMM-16/64 : Автор(ы): Y. Fujise and L.A. Pastene
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Preliminary assessment of the South Georgia ray populations
conservative, low value of r thought to be representative of long-lived rajids, but conducted sensitivity tests ... current catches appear not to be significantly impacting the ray population, trends to deeper water ... longliners) should continue to be observed closely. Future analyses should make use of the increasing ...
Meeting Document : WG-SAM-07/11 : Автор(ы): D.J. Agnew, R. Mitchell, T. Carruthers, J. Roberts, R. Hillary and J. Pearce (United Kingdom)
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Variability of krill biomass estimates in repeated mesoscale surveys in relation to CCAMLR-2000 Survey
density reflect biomass variability, it may be suggested that value of the total krill biomass in the area ... 48 is quite stable during last seventeen years. It is to be noted however that due to difference in ... may be considered as overestimated comparing CCAMLR-2000 results, the rate of overestimation is ...
Meeting Document : WG-EMM-01/28 : Автор(ы): V.A. Sushin, F.F. Litvinov (Russia) and V. Siegel (Germany)
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On dispersion of different pelagic organisms, forming Antarctic backscattering in South Sandwich subarea during January–February 2000
. At the depth of more than 90m principle backscattering recorders can be pertained to myctophid fish ... indicated that biomass of myctophid fish species could be considerable. The estimate of myctophid fish ... biomass which can be a part of alternative trophic chain in relation to krill is evidently of practical ...
Meeting Document : WG-EMM-01/61 : Автор(ы): S.M. Kasatkina and A.P. Malyshko (Russia)
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Genetic variation among populations of the Antarctic toothfish: evolutionary insights and implications for conservation
Mantel test. From a conservation perspective, low levels of genetic diversity may be indicative of ... relatively small populations that would not be able to withstand heavy commercial fishing pressures. Given ... that there is evidence for significant genetic structure, it will be important to manage these ...
Meeting Document : WG-FSA-01/69 : Автор(ы): R.W. Parker, K.N. Paige and A.L. DeVries (USA)
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