Результаты поиска

1. A comparison between otoliths and scales for use in estimating the age of Dissostichus eleginoides from South Georgia

   caught off South Georgia using otoliths and scales. For scales, we made impressions on acetate slides ... Paper Title:  A comparison between otoliths and scales for use in estimating the age of ... result in large errors in age data for long-lived species, usually due to compression of scale circuli ... ; for otoliths, we used transverse sections prepared by baking and grinding the posterior and anterior ... . Sustainable exploitation rates should have been 20-30% of that based on age determinations from scales, in ... using scales than otoliths. There was evidence that for fish older t l~an 16 years (estimated using ... . MSE is an unbiased estimate for o2 within the design, however it is dependent on how the degrees of ... two readings. The bias for Reading 2 by Reader 1 was 0.51 years; the bias for Reading 2 by Reader 2 ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 75–92 : Автор(ы): Ashford, J.R., S. Wischniowski, C. Jones, S. Bobko and I. Everson

2. Are penguins and seals in competition for Antarctic krill at South Georgia?

   1989 and 2000. Foraging ranges of the two species showed considerable overlap in both years but the ... population during their breeding season. For explaining the opposing population trends of the two species ... , respectively, the main mammal and bird consumers of Antarctic krill (Euphausia superba). In recent years the ... population of fur seals has increased whereas that of macaroni penguins has declined. Both species feed on ...

   Meeting Document : WG-EMM-02/22 : Автор(ы): K.E. Barlow, I.L. Boyd, J.P. Croxall, K. Reid, U.J. Staniland and A.S. Brierley (United Kingdom)

3. Factors to consider in developing management measures for krill

   Living Resources is given along with an outline of steps for the evolution of management procedures for ... Paper Title:  Factors to consider in developing management measures for krill Abstract ... / Description:  A brief review of the objectives of the Convention for the Conservation of Antarctic Marine ... are dependent on krill forms an integral part of objectives of the Commission for the Conservation of ... Convention for the Conservation of Antarctic Marine Living Resources is given along with an outline of ... operations tend to concentrate on known fishing grounds; there is no reason for fishing fleets to search for ... knowledge; for various reasons, errors will be made in applying conservation measures. Two types of errors ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 175–187 : Автор(ы): de la Mare, W.K.

4. Integrated weight longlines: potential for reduction of skate by catch in demersal longline fisheries

   weight longlines (IW) in a demersal longline fishery for effects on skate bycatch. Trials took place on ... Abstract:  We analyzed data collected during 2005 seabird mitigation experiments on integrated ... two vessels targeting Pacific cod (Gadus macrocephalus) over a five-month period in the Bering Sea ... , Alaska, USA. The skate catch rate was 11% lower on the IW gear compared to unweighted gear. Location ...

   Meeting Document : WG-FSA-07/51 : Автор(ы): K. Dietrich and E. Melvin (USA)

5. Fishing of the Patagonian toothfish (Dissostichus eleginoides) by the Chilean fleet (1991/92) in the Subarea 48.3 (South Georgia Island) and proposed TAC for the 1991/1993 season

   biological sampling carried out on board the vessels operating in the region were used for the analysis. From ... between 7 832 and 8 210 tonnes. On the basis of these results, the proposed TAC for the 1992/93 season in ... Georgia Island). From the end of December 1991 until the closing of the fishery on the 10th March 1992 ... , the fleet caught around 80% of the TAC set for this subarea. The catch and effort data and the ...

   Meeting Document : WG-FSA-92/24 : Автор(ы): P.A. Espina, M.A. Araya and V.V. Meniconi (Chile)

6. Отчет о промысле: Champsocephalus gunnari у о-ва Херд (Участок 58.5.2)

   –2005/06 гг. показаны на рис. 1. -60 -50 -40 -30 -20 -10 1996/97 1997/98 1998/99 1999/00 2000/01 ... каждого года. 30 ноя.–30 ноя. Параметры моделирования Количество прогонов 1 Параметры отдельн ... биомассы. 4.2 Результаты модели 20. Был подготовлен один детерминированный краткосрочный прогноз ... /02 3 150 0 80 0 50 1 50 0 50 2002/03 21 150 0 80 0 465 20 120 4 50 2003/04 6 150 0 80 1 360 3 120 ...

   Document : Site Section: Publications

7. Fishery Report 2017: Closed fishery for Dissostichus spp. in Divisions 58.4.4a and 58.4.4b

   Description / Abstract:  Fishery Report 2017: Closed fishery for Dissostichus spp. in Divisions ... developed a framework for designing and undertaking research fishing designed to lead to an assessment of ... requirements for Dissostichus spp. in longline fisheries based on the data collection plan are described in ... : length-frequency distributions are only presented for those years/SSRUs in which the number of fish ... 214 otoliths (of 3 013 fish sampled) ranged from 4 to 48 years for females and from 5 to 48 years for ...

   Document : Site Section: Publications

8. Habitat suitability for the VME Ptilocrinus amezianeae over the Kerguelen Plateau

   habitat using BRT (Boosted Regression Trees) and an iterative approach to identify areas on the Kerguelen ... protection on the Skiff Bank, and two additional areas, one in the northeastern Kerguelen Plateau and the ... other on William’s Ridge. Author(s):  M. Eléaume, A. Martin, L.G. Hemery, C. Chazeau, J. Blettery and N ... . Améziane Title:  Habitat suitability for the VME Ptilocrinus amezianeae over the Kerguelen Plateau ...

   Meeting Document : WG-EMM-2019/73 Rev. 1 : Автор(ы): M. Eléaume, A. Martin, L.G. Hemery, C. Chazeau, J. Blettery and N. Améziane

9. The development of spatially and temporally controlled measures of survival and tag-detection for the CCAMLR tagging program

   programme relies on two key aspects (i) that the tagged fish have a good chance of survival and (ii) that ... tagging performance in relation to these two aspects has been thus far inconclusive because of confounding ... . We propose that, by controlling for the spatial and temporal confounding factors using a case-control ... of survival and tag-detection for the CCAMLR tagging program Approval:  Approved ...

   Meeting Document : WG-SAM-12/30 : Автор(ы): S. Mormede and A. Dunn (New Zealand)

10. Acoustic manual for the krill synoptic survey in 2019

    Abstract:  The previously presented document at the 2018 ASAM WG meeting (ASAM-18-07) described a ... design and plans for a synoptic krill acoustic survey in CCAMLR area 48 in 2019. The survey involves the ... 2018 ASAM meeting, and describes acoustic procedures, acoustic reporting- analysis procedures and ... :  Acoustic manual for the krill synoptic survey in 2019 Microsoft Word File:  emm-18-12.docx Approval ...

    Meeting Document : WG-EMM-18/12 : Автор(ы): G. Macaulay, G. Skaret, T. Knutsen, O.A. Bergstad and B.A. Krafft

Страницы