Результаты поиска

1. Biomass of Antarctic krill (Euphausia superba) off east Antarctica (30–80°E) in January–March 2006

   January-March 2006, during which time multifrequency echosounder data were collected for the purposes of ... estimating the biomass (B 0) of Antarctic krill (Euphausia superba). The mean density of E. superba ... , integrated to 250 m depth across the survey area (1,566,157 km 2), was 10.15 g m-2. The total biomass was ... estimated to be 15.89 million tonnes with a CV of 47.93%. Most of the E. superba detected (80%) were in ...

   Meeting Document : WG-EMM-06/16 : Автор(ы): T. Jarvis, E. van Wijk, N. Kelly, S. Kawaguchi and S. Nicol (Australia)

2. Estimates of natural and fishing mortality from toothfish mark–recapture and catch-at-age data at South Georgia

   -recapture model, applied to the South Georgia toothfish tagging data. The updated model incorporates the ... data from all the analysed cohorts in the estimation routine, and we examine the potential estimation ... bias, using simulated data. The results confirm earlier findings, with lower estimates of natural and ... fishing mortality, for the given age range, than are assumed and predicted by the current assessment ...

   Meeting Document : WG-FSA-06/54 : Автор(ы): R.M. Hillary and D.J. Agnew (United Kingdom)

3. Beach debris survey – Main Bay, Bird Island, South Georgia, 2003/04

   Abstract:  During the fourteenth year of standardised beach surveys of man-made debris at Bird ... represents an increase of 97% on the 183 items recorded in 2002/03 and the highest levels of summer beach ... debris (232 items) since the 1999/00 season. The total weight of debris collected has also increased by ... 1.82 kg since last year to 5.39 kg. The highest proportion of marine debris collected comprised ...

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

4. Spectra analysis of Drake Passage Oscillation Index (DPOI) from 1952 to 2003, Antarctica

   Abstract:  An assessment of the environmental processes influencing variability in the recruitment ... affects the Antarctic marine ecosystem as a whole. Naganobu et al. (1999) had assessed variability in ... (westerlies) determined from sea-level pressure differences across the Drake Passage, between Rio Gallegos ... , Argentina, and Base Esperanza, at the tip of the Antarctic Peninsula, sea ice cover and chlorophyll-a in the ...

   Meeting Document : WG-EMM-04/46 : Автор(ы): M. Naganobu and K. Kutsuwada (Japan)

5. Observations of Adélie penguins in two seasons with contrasting weather and sea-ice conditions – a brief report

   Abstract:  The 2002-03 breeding season in comparison with 2000-01 at Edmondson Point was ... characterised by unusual sea ice and weather condition. Strong southerly winds and snow were experienced at the ... colony during December coinciding with hatching and the guard stage. The sea ice in the Ross Sea was held ... in by the presence of the large icebergs. This resulted in extensive sea ice lasting into February ...

   Meeting Document : WG-EMM-03/59 : Автор(ы): S. Olmastroni, F. Pezzo, V. Volpi and S. Focardi (Italy)

6. Fishing intensity of Russian fleet krill fishery in Subarea 48.2 and 48.3

   Abstract:  The purpose of this paper was estimating commercial fleet impact on krill population in ... different months over 1987-1990 fishing seasons, during which the Soviet fleet’s yields from Subareas 48.2 ... and 48.3 amounted to at least 95% of total catch. The calculations were based on the Soviet fleet haul ... -by-haul data using a model of probabilistic-statistical theory of fishery systems developed in the ...

   Meeting Document : WG-EMM-02/62 : Автор(ы): S.M. Kasatkina and V.F. Ivanova (Russia)

7. Review of fish and invertebrate by-catch in trawl fisheries in Division 58.5.2

   Abstract:  This paper presents estimates of the total removals of fish and invertebrate bycatch by ... fishing season and fishing ground, from the D. eleginoides and C. gunnari trawl fisheries in Division ... 58.5.2. On average, 94 % of hauls in the D. eleginoides fishery and 93% of hauls in the C. gunnari ... fishery were observed. The percentage of observed hauls was used as a scaling factor to convert observed ...

   Meeting Document : WG-FSA-02/46 : Автор(ы): E.M. van Wijk and R. Williams (Australia)

8. Human activity and disturbance: building an Antarctic site inventory

   Abstract:  There have been numerous human intrusions in the Antarctic Peninsula and west of the ... Peninsula. The region is where many Antarctic research stations are situated, and also where the bulk of ... are expected to increase–because of the growing number of expedition tour operators and of the number ... of trips being offered. In this context, the soon-to-be-effective Antarctic Environmental Protocol is ...

   Meeting Document : WG-EMM-98/09 : Автор(ы): R. Naveen, Oceanites (USA)

9. Some principles for fisheries regulation from an ecosystem perspective

   Abstract:  The paper discusses some principles to be considered in the formulation of a framework ... for the regulation of fisheries from an ecosystem perspective, under the Convention for the ... subsiduary objectives for regulation which have a more rigorous scientific interpretation than the broad ... principles of conservation set out in the Convention. An important property required for subsiduary ...

   Meeting Document : SC-CAMLR-V/BG/13 : Автор(ы): Delegation of Australia

10. Annual report from SCAR to CCAMLR

    Abstract:  Abstract   This Background Paper reports on the various activities conducted by SCAR ... that are of potential interest to CCAMLR, with a focus on new activities. The book on Antarctic Climate ... Change and the Environment (ACCE) was published in October 2009 and the Southern Ocean Observing System ... (SOOS) planning document has been finalized, the implementation of which will be supported by a ...

    Meeting Document : CCAMLR-XXIX/BG/15 : Автор(ы): Submitted by SCAR

Страницы