Результаты поиска
-
On the problem of Soviet krill fishery allocation and intensity in the area of Elephant Island in the season of 1988-1989
. Though the catch of the USSR in the above-mentioned season reached maximum, the total fishery intensity ... for the last 9 seasons was low and only 1 standard vessel operated in the area during 40% of the ... the scheme: 1) vessels enter the Elephant Island area and search for krill concentrations; 2) fishing ... periods showed that fleet operation areas in general overlap the minor part of foraging zones for animals ...
Meeting Document : WG-CEMP-92/30 : Автор(ы): V.A. Sushin and A.S. Myskov (Russian Federation)
-
Non-native Species in the Antarctic: Report of a Workshop
the ninth meeting of the Committee for Environmental Protection (CEP). CCAMLR’s Article II requires ... south of 60° South, including, for example, male and female specimens of the North Atlantic Spider crab ... activities within CCAMLR’s purview. In light of the requirements of Article II of the Convention, the ...
Meeting Document : SC-CAMLR-XXV/BG/21 : Автор(ы): Delegation of New Zealand
-
Note on demography of Antarctic seabirds
Abstract: At last year’s meetings WG-EMM and Scientific Committee expressed an interest in ... . this represents a substantial task with not inconsiderable resource implications. However, as an ... initial step, this paper attaches a tabulated review of most of the relevant data up to 1981 (Croxall ...
Meeting Document : WG-EMM-01/55 : Автор(ы): J.P. Croxall (United Kingdom)
-
Unfolding connectivity patterns along the Antarctic Circumpolar Current in the sub-Antarctic region
appear mostly as a continuum, due to the connecting effectof the ACC. In this paper we review some ... well the extent of phytoplanktonic blooms occurring for hundreds of kilometres in the wake of nutrient ... to areas under and beyond national jurisdictions. As an example, we show here the cross-boundary ... Approved Document Release Consent: No Delegation responsibility for releasing documents: France ...
Meeting Document : WG-EMM-2019/71 : Автор(ы): S. Sergi, G. Grizaud, C. Cotté and F. d’Ovidio
-
SKATE DIET AT SOUTH GEORGIA INDICATES BENTHIC HABIT OF KRILL
South Georgia, Southern Ocean. The diet of A. georgiana varied with skate size and between years ... . Preferred prey included fish (particularly for larger individuals) and Antarctic krill, as well as amphipods ... , polychaetes and other benthic fauna. The Antarctic skate appears to be an opportunistic predator and the clear ...
Meeting Document : WG-FSA-09/15 : Автор(ы): C.E. Main and M.A. Collins (United Kingdom)
-
DEVELOPMENT OF EFFECTIVE MITIGATION TO REDUCE SEABIRD MORTALITY IN THE ICEFISH (CHAMPSOCEPHALUS GUNNARI) TRAWL FISHERY IN SUBAREA 48.3
mitigate such mortality. As an interim measures a vessel specific 20‐bird mortality threshold was ... introduced for Subarea 48.3 in 2001. This provided a strong commercial incentive for industry to develop ... and simply applied mitigation measure and is thought to be largely responsible for the continued ...
Meeting Document : WG-IMAF-09/15 : Автор(ы): B. Sullivan (BirdLife International), J. Clark (United Kingdom), K. Reid (Secretariat) and E. Reid (BirdLife International)
-
Further computations of the consequences of setting the annual krill catch limit to a fixed fraction of the estimate of krill biomass from a survey
a function of the fraction of the biomass estimate which is set as the catch for a 20-year period ... integration over the ranges of uncertainty for a number of the model parameters. Results are provided for the ... preferable to a summer harvest. However, the imposition of an upper-bound of 1.5 yr-1 on the effective annual ...
Meeting Document : WG-KRILL-93/42 : Автор(ы): D.S. Butterworth, G.R. Gluckman, R.B. Thomson and S. Chalis (South Africa)
-
PRELIMINARY ASSESSMENT OF TOOTHFISH IN SUBAREA 48.3
Abstract: 1. 2009 data have been incorporated in to the catch-at-age based CASAL model for ... 2006. Fits to the catch at age data are good, except for 2009 where large numbers of age 7 and age 9 ... toothfish in Subarea 48.3. 2. Fits to the survey data are good for the early 2000s, particularly 2004 to ...
Meeting Document : WG-FSA-09/28 Rev. 1 : Автор(ы): D.J. Agnew and T. Peatman (United Kingdom)
-
Using carapace measurements to determine the sex of Antarctic krill (Euphausia superba)
allometric equations for calculating total length from carapace length, were derived from South Georgia krill ... independently derives sex-specific regression models for krill collected in the South Shetlands. Allometric ... derived from mature krill in years following significant recruitment events with large proportions of ... immature krill resulted in significant bias towards male krill and an overestimation of krill length. We ...
Meeting Document : WG-EMM-05/26 : Автор(ы): J.D. Lipsky, M.E. Goebel, C.S. Reiss and V. Loeb (USA)
-
Trends of Antarctic fur seal population at SSSI No. 32, Livingston Island, South Shetlands, Antarctica
Abstract: We update in this paper the previously reported model for the Antarctic fur seal ... parameters to an environmental index (the Southern Ocean Oscillation Index- SOI). Two fur seal censuses were ... . From this, we estimated an overall increase of 17% in the total population, including in this figure a ... of the simple model used, and the weighted effect of the continuos data set during these last 8 years ...
Meeting Document : WG-EMM-99/16 : Автор(ы): R. Hucke-Gaete, D. Torres, A. Aguayo, J. Acevedo and V. Vallejos (Chile)
Страницы
- « первая
- ‹ предыдущая
- …
- 613
- 614
- 615
- 616
- 617
- 618
- 619
- 620
- 621
- …
- следующая ›
- последняя »