Результаты поиска
-
Modelling Movement of Antarctic Krill (MMAK): the importance of retention, dispersal and behaviour for krill distribution – a project update
Antarctic Wildlife Research Fund, to improve current understanding of the regional and local-scale processes ... that influence the distribution of Antarctic krill in CCAMLR Area 48, focussing in particular on the ... investigate the impact of physical and behavioural processes on the distribution of krill in this area, at ... scales relevant to the krill fishery and predators. Preliminary analysis of a 20-year time series of ...
Meeting Document : WG-EMM-18/06 : Автор(ы): S.E. Thorpe, E.F. Young, E.J. Murphy, O.R. Godø and A.H.H. Renner
-
Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2018 – Reflection on the recommendations by WG-EMM-17 and SC-CAMLR-XXXVI
paper reflects on the recommendations concerning the suitability of some data layers for the Marxan ... raised at WG-EMM-17 and SC-CAMLR-XXXVI (SC-CAMLR-XXXVI, Annex 6, §§ 5.1-5.14). The implementation of ... recommendations and questions raised by WG-EMM-17 and SC-CAMLR-XXXVI was already presented at the Workshop of ... Spatial Management (Cambridge, UK, 2 to 6 July 2018), where the great amount of work was acknowledge and ...
Meeting Document : SC-CAMLR-XXXVII/BG/15 : Автор(ы): Delegation of Germany
-
Stable isotope analysis of Southern Ocean fish tissue samples to investigate trophic linkages of Antarctic toothfish (Dissostichus mawsoni)
to determine C and N stable isotope composition. Values of?15N and?13C suggested that a minimum of ... Atlantic, and sperm whales from the Gulf of Mexico. There was high variance in?15N and?13C values for each ... of the species sampled, on the order of 3-4 ‰ for?15N (which equates to one trophic level) and 4 ... ‰ for?13C (suggesting multiple primary sources of organic matter). For each species where sufficient ...
Meeting Document : WG-EMM-07/19 : Автор(ы): M.H. Pinkerton, S. Bury, S.M. Hanchet and D. Thompson (New Zealand)
-
Incidences of gillnet fishing in the Convention Area reported through the Scheme of International Scientific Observation
Abstract: Observers deployed in terms of the CCAMLR Scheme of International Scientific ... Observation are required to record incidences of IUU fishing. Since the CCAMLR 2003/4 season 15 reports of IUU ... on some of the fishing grounds in this area. These reports are supported by both photographic ... evidence of vessels hauling gillnets and sections of gillnet retrieved by licensed longliners. Author(s ...
Meeting Document : CCAMLR-XXVI/BG/30 : Автор(ы): Delegation of South Africa
-
Review of rattail and skate by-catch and analysis of rattail standardised CPUE from the Ross Sea toothfish fishery in Subarea 88.1 from 1997/98 to 2001/02
Abstract: Little is known about the bycatch of skates, rays and macrourids in the target longline ... fishery for toothfish in the Ross Sea. Following concerns about the accuracy of reporting of bycatch ... reviewed and the accuracy of data recording was investigated. Current systems were considered to be ... . Insufficient data have previously been available to evaluate the usefulness of a standardized CPUE analysis of ...
Meeting Document : WG-FSA-02/40 : Автор(ы): R.G. Blackwell and S.M. Hanchet (New Zealand)
-
Measurements of sound-speed and density contrasts of Antarctic krill (Euphausia superba) on board RV Kaiyo Maru
Abstract: In order to calculate the target strength of Antarctic krill (Euphausia superba) using ... of krill were measured during the Antarctic surveys conducted by the Japanese RV Kaiyo Maru in 1999 ... /2000 and 2004/2005. Samples of krill were caught by a RMT(1+8). Mass-density of krill was measured by ... Sea in January and February 2005. Sound-speed was measured using the "time of flight" method ...
Meeting Document : WG-EMM-08/56 Rev. 1 : Автор(ы): Y. Takao, H. Yasuma, R. Matsukura, K. Amakasu and M. Naganobu (Japan)
-
REPORT ON A LONGLINE SURVEY CONDUCTED BY THE FV JANAS IN MAY 2008 ON BANZARE BANK, AND AN ASSESSMENT OF THE STATUS OF DISSOSTICHUS SPP. IN DIVISION 58.4.3B
Abstract: In May 2008, a randomised longline survey, consisting of 15 standardised sets over 2 ... strata covering areas of commercial fishing activity was conducted from aboard the Australian flagged ... across the majority of the surveyed area. Catches of toothfish consisted of both species of Dissostichus ... shallow areas on the western part of the Bank. Data on size distribution and size at maturity indicate ...
Meeting Document : WG-FSA-08/57 : Автор(ы): D. Welsford, T. Robertson and G. Nowara (Australia)
-
Breeding biology and diet of pintado petrels Daption capense at Bouvetøya during the summer of 1996/97
Abstract: A study on the breeding biology and diet of Pintado Petrels Daption capense was ... success for the total 300 pairs of breeding Pintado Petrels at Nyrøysa was 59 %. Three study colonies were ... was 85 %. Rates of failure were higher during the chick stage than in the egg stage for both of these ... parents (guard period) was 14 days. The length of the guard period was negatively related to the date of ...
Meeting Document : WG-EMM-97/56 : Автор(ы): Isaksen, K., Huyser, O., Dyer, B.M., Cooper, J., Ryan, P.
-
Some considerations for the further development of statistical summaries of CEMP indices
Abstract: A potential method is presented for combining data collected as part of the CCAMLR ... ecosystem monitoring programme (CEMP) into a single index for each of the predator, prey and environment ... parameters. The proposed method is based on the usual theory of multivariate statistics and takes into ... account the covariance between parameters. The power of the statistical procedure recently adopted by WG ...
Meeting Document : WG-EMM-Stats-97/07 : Автор(ы): de la Mare, W.K.
-
Diagnostic model of functioning of Antarctic krill population in the Cooperation Sea
Abstract: Being prepared by a collective of authors, this paper demonstrates some approaches to ... mathematical modelling of Antarctic krill population in the Cooperation Sea. The choice of investigation area ... from 1978 to 1984 and 1988. The objective of the researches was to reveal causes of sharp fluctuations ... assess variations in parameters of the ecosystem and its staunchness against their impact. A possibility ...
Meeting Document : WG-Joint-94/07 : Автор(ы): V. Belyaev and M. Khudoshina (Ukraine)
Страницы
- « первая
- ‹ предыдущая
- …
- 164
- 165
- 166
- 167
- 168
- 169
- 170
- 171
- 172
- …
- следующая ›
- последняя »