Search results
-
Incidental seal entanglements on trawl vessels fishing for krill in CCAMLR Subarea 48.3
of effective mitigation measures (escape panels in the nets) and lack of experience of crews new to ... Abstract: Observers on krill vessels fishing around South Georgia in the 2003 fishing season ... clearly important to have observers on krill vessels monitor the effectiveness of mitigation measures as ... recorded fur seal captures by some krill fishing vessels. These captures can be attributed to the absence ...
Meeting Document : WG-EMM-04/31 : Author(s): J. Hooper, K. Reid and D. Agnew (United Kingdom)
-
Studies of seabirds and seals at Bouvetøya 1998/99
and pup production of fur seals. The following CEMP-parameters were studied in Chinstrap Penguin and ... . The main objective for the 1998/99 expedition was to continue the CEMP-monitoring work initiated in ... (Eudyptes chrysolophus) and Antarctic Fur Seal (Arctocephalus gazella). In addition to the CEMP-work, other ... Antarctic Fur Seal, data were collected on the duration of adult female foraging/attendance cycles (C1) and ...
Meeting Document : WG-EMM-00/13 : Author(s): K. Isaksen (Norway), O. Huyser, S. Kirkman, R. Wanless and W. Wilson (South Africa)
-
Model diagnostics for the Antarctic krill assessment for Subarea 48.1
; configuration of the krill model was presented to EMM in 2015 (Kinzey et al. 2015a) along with seven alternative ... integrated model. The purpose of this note is to use some of these methods to explore aspects of the ... influence of different data sources on the model estimates. The work described here augments the previous ... description of the base case and differently-weighted configurations with a table of likelihood components for ...
Meeting Document : WG-FSA-15/60 : Author(s): D. Kinzey, G.M. Watters and C.S. Reiss (USA)
-
valuation de la pêche illicite dans les eaux françaises adjacentes aux îles Kerguelen et Crozet pour la saison 2000/2001 (1er juillet 2000–30 juin 2001). Informations générales sur la zone CCAMLR 58
respect des mesures de conservation décidées annuellement pour la gestion de la pêcherie de légine. En ... conservation décidées annuellement pour la gestion de la pêcherie de légine. En conséquence il ne répond que ...
Meeting Document : CCAMLR-XX/BG/17 : Author(s): Délégation française
-
Potential effects of UV-B on krill – experimental and genetic studies
animals in the dark survived. Addition of ultraviolet-B typical of depths up to 15 m were found to ... Abstract: We irradiated captive juvenile Euphausia superba in the laboratory with lower than ... spring surface levels of ultraviolet-B, ultraviolet-A and photosynthetically active radiation, in order ... to examine their response in terms of mortality and generalised activity. Levels of ...
Meeting Document : WG-EMM-99/24 : Author(s): S. Newman, S. Jarman, S. Nicol, D. Ritz, H. Marchant, N. Elliot and A. McMinn (Australia)
-
The Ross Sea region Marine Protected Area Research and Monitoring Plan (WG-SAM 2017)
Palazzo Farnesina (Ministry of Foreign Affairs and International Cooperation, MAECI) in Rome from 26–28 ... April 2017. The purpose of the workshop was to develop a draft research and monitoring plan (RMP) for ... the Ross Sea region MPA. The RMP is required to be introduced to CCAMLR at the annual meetings of the ... Scientific Committee and Commission later this year, prior to the Ross Sea Region MPA’s implementation in ...
Meeting Document : WG-SAM-17/42 : Author(s): A. Dunn, M. Vacchi and G. Watters
-
Choosing distance between acoustic survey tacks
of mean weighted assessment, global and local averaging. The statistical characteristics of field ... Acoustics, Bergen, Norway, 21-24 June 1982, No 65, 19 p. Kizner Z.1. Mathematical simulation as a means ... on the basis of typical size of the surveyed region, allowable relative error in the biomass estimate ... , and the variation coefficient of the density values of the krill concentrations. It is recommended ... that the suggested criterion be applied in real hydroacoustic surveys. File: 08-Kalikhman-et-al.pdf ... mathematical model was used to show that the distance between acoustic survey tacks can reasonably be selected ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 153-164 : Author(s): Kalikhman, I.L., Z.I. Kizner, B.R. Zaripov and W.D. Tesler
-
WG-CEMP-87
Survey of breeding penguins and other seabirds in the South Shetland Island, Antarctica, January–February ... ecological resources V.B. Kuechle (USA) WG-CEMP-87/17 Initiation of United States participation in the CCAMLR ... 1986–February 1987 WG-CEMP-87/18 An analysis of early change in the blubber thickness of minke whales ... List of Documents WG-CEMP-87/04 Development of the CCAMLR Ecosystem Monitoring Program, 1982–1986 ...
Meeting
-
Acoustic survey design to estimate krill biomass in Subareas 48.1, 48.2 and 48.3
Abstract: The Scientific Committee has requested advice on the feasibility of conducting a ... synoptic survey of krill biomass in Statistical Area 48. Example calculations are presented for estimating ... the amount of survey effort required to achieve a target level of precision using a stratified random ... 1.25 ship-months of survey effort can provide an estimate of krill biomass in Subareas 48.1, 48. 2 and ...
Meeting Document : WG-EMM-95/71 : Author(s): Hewitt, R.P., Watters, G.
-
Can we use discriminant function analysis to sex penguins prior to calculating an index of a morphometric characteristic?
that there is a difference between the real mean characteristic for a sex, and the apparent mean derived by sexing the birds ... of birds with greater than 80% success, the difference between the true and apparent mean is likely ... distributions are used to show that there is a difference between the real mean characteristic for a sex ... , and the apparent mean derived by sexing the birds using discriminant analysis. When discriminant functions ... normal distributions are used to show that there is a difference between the real mean characteristic ... for a sex, and the apparent mean derived by sexing the birds using discriminant analysis. When ... , the difference between the true and apparent mean is likely to be undetectable when fewer than 600 birds ... in males and females but the means are sufficiently close that there is some overlap between ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 259–272 : Author(s): Agnew, D.J.