Результаты поиска

1. Natural fluctuations in the abundance of krill with due regard to global climate changes in the southern hemisphere: forecasting possibilities

   Abstract:  The eco systematic studies in biology and hydrology conducted in the Atlantic sector of ... ;success" in the reproduction of krill (Euphausia superba) and salp (Salpa tompsoni) (SC-CAMLR-XVI4 ... ; SC-CAMLR-XVV3). The analysis of multiannual observations (1977-1997) conducted by Siegel (Siegel et ... between the strong year-classes of krill and severe winters when the ice-cover extended itself northwards ...

   Meeting Document : WG-EMM-98/52 : Автор(ы): K. Shust (Russia)

2. Estimates of sustainable yield for 50 data-poor stocks in the Pacific coast groundfish fishery management plan

   Abstract:  The Magnuson-Stevens Fishery Conservation and Management Reauthorization Act of 2006 ... of sustainable yield for many these species were previously based on undocumented, ad-hoc analyses ... . We present estimates of sustainable yield for 50 of these stocks using two recently developed models ... designed to inform management of data-poor stocks. These models rely on recently reconstructed time series ...

   Meeting Document : WG-SAM-11/P1 : Автор(ы): E.J. Dick and A.D. McCall

3. Spatial distribution of Champsocephalus gunnari in Subarea 48.3. Some implications for parameter estimation

   Abstract:  Results of the analysis of three consecutive cruises to subarea 48.3 are analyzed. A ... significant variance component associated with the formation of clusters of stations was found as well as a ... (as in the estimation of the variance of the mean density) might result in a gross underestimation of ... the variance. The spatial pattern of density across years might be applied to construct a model of ...

   Meeting Document : WG-FSA-96/30 : Автор(ы): Calcagno, J., Gonzalez, B., Marschoff, E.

4. The morphology of Antarctic toothfish (Dissostichus mawsoni Norman 1937) males and females and new data on its gonad structure in the Ross Sea in the summer period

   Abstract:  The results of the histological analysis of the Antarctic toothfish (Dissostichus ... 88.2 of the Ross Sea are presented. The morphological parameters and indices of maturity have been ... described. The histological criteria of the assessment of the ovary maturity stages, cytological parameters ... of oocytes and type of the toothfish oogenesis have been determined. The analysis of the histological ...

   Meeting Document : WG-FSA-07/38 Rev. 2 : Автор(ы): S.V. Piyanova and N.V. Kokorin (Russia)

5. Entanglement of Antarctic fur seals Arctocephalus gazella in man-made debris at Signy Island, South Orkney Islands, 2005/2006

   Abstract:  The results of the eighth annual survey of entanglement of Antarctic fur seals at Signy ... Island, South Orkney Islands are reported for the 2005/2006 summer season. There was 1 sighting of a seal ... wearing a neck collar of man-made debris. Data are compared with results from a parallel study undertaken ... at Bird Island, South Georgia in 2005/06. In the case of Bird Island, data indicated that the number ...

   Meeting Document : SC-CAMLR-XXV/BG/15 : Автор(ы): Delegation of the United Kingdom

6. Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Bird Island, South Georgia, during the 2004 winter and 2004/05 breeding season

   Abstract:  The number of entanglements in the fifteenth consecutive winter surveyed, decreased by ... 64% from last year. For the first time since records started in 1990, none of the injuries were ... classified as severe. The seventeenth consecutive summer (2004/05) of reporting also saw a decrease of 64 ... % compared to last year; the lowest number of entanglements recorded since 1989. As in previous years, most ...

   Meeting Document : SC-CAMLR-XXIV/BG/16 : Автор(ы): Delegation of the United Kingdom

7. Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Signy Island, South Orkney Islands, 2003/04

   Abstract:  The results of the eighth annual survey of entanglement of Antarctic fur seals at Signy ... Island, South Orkney Islands are reported for the 2003/2004 summer season. There were no sightings of ... seals wearing neck collars of man-made debris. Data are compared with results from a parallel study ... undertaken at Bird Island, South Georgia in 2003/04. In the case of Bird Island, data indicated that the ...

   Meeting Document : SC-CAMLR-XXIII/BG/12 : Автор(ы): Delegation of the United Kingdom

8. Entanglement of Antarctic fur seals Arctocephalus gazella in man-made debris at Signy Island, South Orkney Islands, 2002/03

   Abstract:  The results of the seventh annual survey of entanglement of Antarctic fur seals at ... sighting of a seal wearing a neck collar of man-made debris. Data are compared with results from a parallel ... study undertaken at Bird Island, South Georgia in 2002/03. In the case of Bird Island, data indicated ... that the number of entangled fur seals had decreased by 67% compared to the previous year, this being ...

   Meeting Document : SC-CAMLR-XXII/BG/13 : Автор(ы): Delegation of the United Kingdom

9. The diet of toothfish species Dissostichus eleginoides Smitt and D. mawsoni Norman with overlapping distributions around the South Sandwich Islands, Southern Ocean

   Abstract:  The diet of Antarctic toothfish (Dissostichus mawsoni) and Patagonian toothfish (D ... . eleginoides) was examined around the south sandwich islands in the southern ocean, one of few regions with ... overlapping populations of the two species. Despite large differences in the proportion of stomachs containing ... prey (76.2 % of D. mawsoni compared to 7.2 % of D. eleginoides), diet composition was broadly similar ...

   Meeting Document : WG-FSA-11/P03 : Автор(ы): J. Roberts, J. Xavier and D. J. Agnew

10. REPORT ON A RANDOM STRATIFIED TRAWL SURVEY TO ESTIMATE DISTRIBUTION AND ABUNDANCE OF DISSOSTICHUS ELEGINOIDES AND CHAMPSOCEPHALUS GUNNARI IN THE HEARD ISLAND REGION (DIVISION 58.5.2) FOR 2008 AND 2009

    generally reduced from the previous year’s survey, with the catch of toothfish being one third of that for ... the previous year and those of grey rock cod, unicorn icefish and skate species down by half. Catches ... of mackerel icefish and macrourids were similar to the previous RSTS. One of the most notable ... features of the survey was the very large catch of jellyfish. In contrast, overall catches for the 2009 ...

    Meeting Document : WG-FSA-09/34 : Автор(ы): G.B. Nowara (Australia)

Страницы