Результаты поиска

1. Preliminary results from the International Synoptic Krill Survey in Area 48, 2019

   Abstract:  Preliminary results from the International Synoptic Krill Survey in Area 48, 2019, are ... results from four (vessels from the Association of Responsible Krill harvesting companies (ARK), Norway ... , which were based on the methods and procedures used in the CCAMLR 2000 krill acoustic survey ... . Backscatter from krill were delineated using the 'swarms' method and integrated to produce ...

   Meeting Document : WG-EMM-2019/47 : Автор(ы): G. Macaulay, G. Skaret, T. Knutsen, O.A. Bergstad, B. Krafft, S. Fielding, S.G. Choi, S. Chung, K. Demianenko, V. Podhornyi, K. Vishnyakova, L. Pshenichnov, A. Chuklin, A. Shishman and M.J. Cox

2. Biomass results from the International Synoptic Krill Survey in Area 48, 2019

   Abstract:  Results from the International Synoptic Krill Survey in Area 48, 2019, are presented ... methods and procedures used in the CCAMLR 2000 krill acoustic survey. Backscatter from krill were ... delineated using the ‘swarms’ method and integrated to produce distribution maps of krill areal density and ... survey standing stock estimates. Krill areal density for the CCAMLR 2000 strata was 35.2 gm-2, producing ...

   Meeting Document : SG-ASAM-2019/08 Rev. 1 : Автор(ы): G. Macaulay, G. Skaret, T. Knutsen, O.A. Bergstad, B. Krafft, S. Fielding, S. Choi, S. Chung, K. Demianenko, V. Podhornyi, K. Vishnyakova, L. Pshenichnov, A. Chuklin, A. Shishman, X. Wang, X. Zhao and M. Cox

3. Biomass/CCAMLR krill review

   Abstract:  Current knowledge of the ecology, biology and life history of the Antarctic krill ... which are either directly or indirectly applicable to the effective management of krill exploitation ... distribution of krill on various scales ranging from the global to individual aggregations (e.g., swarms) is ... stock separation considered. Recent attempts to assess the krill standing stock directly are examined ...

   Meeting Document : SC-CAMLR-VII/BG/39 : Автор(ы): D.G.M. Miller and I. Hampton (South Africa)

4. Upward adjustments to local catch limits for the krill fishery in Subarea 48.1

   adjustments to local catch limits for the krill fishery in Subarea 48.1.  We use the term local catch limit to ... krill fishery in Subarea 48.1 (see Watters et al. 2016).  Our proposal to make upward adjustments is ... predator populations, 2) repeat acoustic surveys to identify years when local krill biomass increases ... the stoplight is “green” and there has been a concomitant increase in local krill biomass. We ...

   Meeting Document : WG-EMM-16/47 : Автор(ы): Antarctic Ecosystem Research Division, Southwest Fisheries Science Center and NOAA Fisheries

5. Krill fishery report: 2007 update

   for krill in Area 48 in the 2006/07 season, and these vessels have taken 61876 t of krill to date. Two ... CCAMLR scientific observers have been deployed. The preliminary estimate of the total catch of krill for ... the season is approximately 111746 t. This compares with 106589 t of krill reported in the STATLANT ... overlap between the krill fishery and krill predators; Consideration of the Conservation Measures in force ...

   Meeting Document : WG-EMM-07/05 : Автор(ы): Secretariat

6. A krill–predator–fishery model for evaluating candidate management procedures

   Abstract:  The CCAMLR has recognised the need to subdivide the precautionary krill catch limit for ... Statistical Area 48 amongst smaller spatial units in order to minimize the localized depletion of krill in ... necessary to evaluate these procedures in terms of their likely effects on krill and predator populations as ... uncertainty about how the krill-predator- fishery system operates. We describe a model designed to investigate ...

   Meeting Document : WG-EMM-05/13 : Автор(ы): G.M. Watters, J.T. Hinke (USA), K. Reid and S. Hill (United Kingdom)

7. An ecosystem-based approach to management: using individual behaviour to predict the indirect effects of Antarctic krill fisheries on penguin foraging

   interactions within and between species. 2. Ecological interactions involving krill are of major importance to ... understand the interactions between penguins and krill to determine the indirect effect of krill fisheries on ... is predicted to reduce penguin food intake. Given the documented links between krill and penguins ... , this also leads to a prediction of decreased penguin survival and reproduction. Krill behaviour is ...

   Meeting Document : WG-EMM-03/34 : Автор(ы): S.H. Alonzo, P.V. Switzer and M. Mangel (USA)

8. Some comments on the procedure of krill target strength assessment in echosurveys

   in echosurveys is discussed. It is known that krill abundance and biomass estimation should be ... trawl selectivity and catchability. Krill abundance estimation related to TS target strength values ... : assessment of MSBS (MVBS) acoustic parameter distribution and krill length (weight) distribution in the study ... measuring system. However, the information obtained in that case provides not only total krill abundance ...

   Meeting Document : WG-EMM-98/21 : Автор(ы): S.M. Kasatkina (Russia)

9. 30 years of krill fisheries management – challenges remain

   Abstract:  Current Antarctic krill fishing practices have been deviating from historical fishing ... frequently. The reproduction and survival of krill are significantly affected by sea ice cover. This is of ... concern since key spawning, recruitment and nursery areas of krill are located in the Southwest Atlantic ... winter sea ice. CCAMLR needs to maintain a precautionary approach to krill fisheries management. The ...

   Meeting Document : CCAMLR-XXX/BG/19 : Автор(ы): Submitted by ASOC

10. Histopathology of Antarctic krill, Euphausia superba, bearing black spots

    Abstract:  Small black spots have been noticed on the cephalothorax of Antarctic krill, Euphausia ... superba, since January, 2001. To study the nature of the black spots, the krill were sampled in the winter ... bacteria or amorphous material. In the 2007 samples, 42% of the krill had melanized nodules. Most of the ... nodules had an opening on the body surface of the krill. A single melanized nodule often contained more ...

    Meeting Document : WG-EMM-08/P09 : Автор(ы): S. Miwa, T. Kamaishi, T. Matsuyama, T. Hayashi and M. Naganobu

Страницы