Search results
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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 local catch limits as one component of a larger strategy for feedback management (FBM) of the krill ... , 2) repeat acoustic surveys to identify years when local krill biomass increases during the fishing season ... been a concomitant increase in local krill biomass. We demonstrate that a simple index based ...
Meeting Document : WG-EMM-16/47 : Author(s): Antarctic Ecosystem Research Division, Southwest Fisheries Science Center and NOAA Fisheries
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Antarctic krill populations in the outflow region of the north-western Weddell Sea
Abstract: A meso-scale zooplankton and krill net sampling survey was carried out in the north ... March 2013. The aim of the survey was to study the zooplankton composition and krill abundance ... of the survey area was covered by ice during the summer season. Antarctic krill densities were found ... to be highest in the western Peninsula region and lower in ice-covered Weddell Sea waters. Overall krill density ...
Meeting Document : WG-EMM-13/24 : Author(s): V. Siegel (European Union)
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Distributions and predator-prey interactions of macaroni penguins, Antarctic fur seals, and Antarctic krill near Bird Island, South Georgia
. Simultaneous surveys of marine birds, Antarctic fur seals and Antarctic krill were conducted along a series ... between the distributions of predators and their prey with respect to the abundance of krill in the water ... correlations with Antarctic krill density across a wide range of spatial scales. Because krill was abundant ... , we were able to demonstrate an additional influence of Antarctic krill abundance at measurement ...
Meeting Document : WG-CEMP-93/12 : Author(s): G.L. Hunt, Jr (USA), D. Heinemann (USA) and I. Everson (United Kingdom)
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Observation on the interactions between marine mammals and mid-water krill trawl
Abstract: An observation on the interaction between marine mammal and krill midwater trawl ... was carried out onboard the Chinese krill fishing vessel Fu Rong Hai during the 2018/19 fishing season ... either. Simultaneous observation of krill swarms detected by the echosounder revealed a linkage between ... the behavior of the seal and the depth of krill swarms. It is speculated that when krill swarms were available ...
Meeting Document : WG-FSA-2019/60 : Author(s): Y. Ying, G. Fan, X. Zhao, J. Zhang, X. Wang and J. Zhu
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Antarctic krill and climate change
krill Euphausia superba and environmental sciences attended a workshop aiming to evaluate new knowledge ... on the impact of climate change and increasing fisheries on Antarctic krill and Antarctic ecosystems ... change on krill is probably negative. To be able to account for climate change-induced ramifications ... on Antarctic krill and ecosystems, the adaptive capacity of the fisheries management of CCAMLR must be enhanced ...
Meeting Document : SC-CAMLR-XXX/BG/03 : Author(s): Delegation of the European Union
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Progress by WG-EMM-STAPP in estimating krill consumption by air-breathing predators within CCAMLR areas
Abstract: This paper summarises progress by WG-EMM-STAPP in estimating krill consumption by air ... -breathing predators in CCAMLR management units. There have been significant advances in estimating krill ... are now available for Areas 48, 88 and 58. Krill consumption by crabeater seals, the most important krill ... of krill consumption by penguins to be developed in all Areas in the near future. Work to partition krill ...
Meeting Document : WG-EMM-16/68 : Author(s): C. Southwell and P. Trathan
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Observation on interactions between marine mammals and krill mid-water trawl
Abstract: An observation on the interaction between marine mammal and krill midwater trawl ... was carried out onboard the Chinese krill fishing vessel Fu Rong Hai during the 2018/19 fishing season ... observed either. The observation found the Antarctic fur seals would be attracted by the codend of krill ... . Future researches on the interaction between marine mammals and krill fishing gears would be helpful ...
Meeting Document : SC-CAMLR-38/BG/20 : Author(s): Y. Ying, G. Fan, X. Zhao, J. Zhang, X. Wang and J. Zhu
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Observer activities on Japanese krill fishing vessels in the CCAMLR Convention Area
Abstract: Unlike toothfish fishery, IUU fishery is not a serious concern in krill fishery ... . Although the increase of expected catch of krill notified in recent years has caused concerns among some ... there is no urgent management concern related to krill fishery. In addition, CCAMLR XXV agreed “that the priorities ... for scientific observers (for krill fishery) were to collect data to: (i) compare fishing methods, (ii) determine ...
Meeting Document : CCAMLR-XXVI/BG/41 Rev. 1 : Author(s): Delegation of Japan
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Target strength estimation of Antarctic krill, Euphausia superba by cooperative experiments with commercial trawlers
Abstract: An estimate of target strength of Antarctic krill, Euphausia superba was obtained ... by a series of cooperative experiments between research vessel and commercial krill trawler. Estimated target ... strength per 1g wet weight of Antarctic krill was-66.ldB a t the frequency of 200kHz. Average size of krill ... was 47.48mm and 0.873g. Author(s): Delegation of Japan Title: Target strength estimation of Antarctic krill ...
Meeting Document : SC-CAMLR-VIII/BG/30 : Author(s): Delegation of Japan
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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 : Author(s): S. Miwa, T. Kamaishi, T. Matsuyama, T. Hayashi and M. Naganobu