Resultados de la búsqueda

1. Broadbandwidth sound scattering and absorption from krill (Meganyctiphanes norvegica), Mysids (Praunus flexuousus and Neomysis integer) and shrimp (Crangon crangon)

   Abstract:  Sound scattering and absorption measurements were made of Northern krill ... measurements made of Antarctic krill (Euphausia superba; Demer and Conti, 2003a). The measurements of total ... krill, indicating its validity for other euphausiids species with similar size and shape. However, the ... derived with the generic krill shape and scaled to animal length (L). This implies that crustacean target ...

   Meeting Document : WG-EMM-04/40 : Autor(es): S.G. Conti, D.A. Demer (USA) and A.S. Brierley (United Kingdom)

2. Estimation of the fishery–krill–predator overlap

   fishery data, and a comparison between the three existing indices of fishery-krill-predator overlap used ... Abstract:  Work undertaken during the intersessional period has enabled better use of the krill ... resolution, resulted in lower overlap between the krill fishery and the krill predators, and lower values of ... –krill–predator overlap Approval:  Approved ...

   Meeting Document : WG-EMM-99/11 : Autor(es): Secretariat

3. A sensitivity analysis of a simple krill individual-based model designed to investigate length-based recruitment indices

   commercial catches. These extremely valuable data may be used to monitor the state of harvested Krill ... -board Krill (Euphausia superba) fishing vessels measure the length of individual Krill sampled from ... individual-based model of krill population dynamics was subjected to a sensitivity analysis. Starting from a ... (Secretariat) Title:  A sensitivity analysis of a simple krill individual-based model designed to investigate ...

   Meeting Document : WG-EMM-13/23 : Autor(es): S. Thanassekos and K. Reid (Secretariat)

4. NET-BASED VERIFICATION OF ACOUSTIC TECHNIQUES USED TO IDENTIFY ANTARCTIC KRILL

   Distorted-Wave Born Approximation (SDWBA) model using three frequency acoustic data and concurrent net hauls ... that were collected during two cruises to the South Georgia region in 1996. For each krill aggregation ... identification algorithms for krill: (i) ‘3 freq model’- using the SDWBA to set the acceptance windows for both ... model derived target id window only identified krill in 6 of the 16 nets correctly. The ‘2 freq 2-16 ...

   Meeting Document : WG-EMM-08/54 : Autor(es): J. Watkins and S. Fielding (United Kingdom)

5. Analysis of trends in Japanese krill fishery, and its implication

   Abstract:  Haul by haul logbook data from the Japanese krill fishery from 1980/81 to 2003/04 ... suggest that krill fishery in South Orkney and South Georgia area are both operating around a critical ... :  Analysis of trends in Japanese krill fishery, and its implication Approval:  Approved ...

   Meeting Document : WG-EMM-04/52 : Autor(es): S. Kawaguchi, S. Candy, S. Nicol (Australia), K. Taki and M. Naganobu (Japan)

6. Adélie penguin foraging behaviour and breeding success in seasons of contrasting krill availability (Mawson Coast, Antarctica)

   penguins at the Béchervaise Island CEMP site were compared between seasons of contrasting krill ... availability. Krill biomass estimates were derived from shipboard surveys carried out within the penguins ... ’ normal foraging range during the 2001 and 2003 breeding seasons. More than three times as much krill was ... of the krill survey. Chick mortality peaked during this period also. The findings illustrate the ...

   Meeting Document : WG-EMM-03/44 : Autor(es): J. Clarke, M. Tierney, S. Candy, S. Nicol, L. Irvine and K. Kerry (Australia)

7. Detection of growth zones in the eyestalk of the Antarctic krill Euphausia superba (Dana, 1852) (Euphausiacea)

   Abstract:  No reliable measures of age currently exist in the Antarctic krill, Euphausia superba ... for identifying growth zones. The krill was collected at the South Orkney Islands during January and ... narrower growth zones from the third zone and onwards compared with males. Data show that male subadult ... the number of zones and body length. Further knowledge about molting process in the Antarctic krill ...

   Meeting Document : WG-EMM-16/P02 : Autor(es): B.A. Krafft, M. Kvalsund, G. Søvik, E. Farestveit and A.-L. Agnalt

8. Modelling growth of Antarctic krill: growth trends with sex, length, season, and region

   Abstract:  Growth trends of Antarctic krill with sex, length, season and region using over 10 ... to specific growth rate, was fitted to data from published constant-temperature rearing studies and ... seasonal trend for each region. Smaller krill exhibited higher growth rates and a progressive decrease in ... , and suggested that wild krill show more rapid growth over a shorter growth period than it was ...

   Meeting Document : WG-EMM-05/29 : Autor(es): S. Kawaguchi, S. Candy, R. King (Australia), M. Naganobu (Japan) and S. Nicol (Australia)

9. PRELIMINARY RESULTS FROM THE FIRST SURVEY SEASON OF ANTARCTIC KRILL AND APEX PREDATORS WITH THE COMMERCIAL FISHING VESSEL SAGA SEA IN THE SOUTH ORKNEY ISLANDS AREA 2011

   survey each year for the next five years in the CCAMLR statistical Subarea 48.2 using the Norwegian krill ... fishing vessel „Saga Sea‟. This report describes methodology, presents raw data and preliminary results ... OF ANTARCTIC KRILL AND APEX PREDATORS WITH THE COMMERCIAL FISHING VESSEL SAGA SEA IN THE SOUTH ORKNEY ...

   Meeting Document : WG-EMM-11/23 : Autor(es): B.A. Krafft, G. Skaret and L. Calise (Norway)

10. Interaction between oceanography, krill and baleen whales in the Ross Sea and adjacent waters, Antarctica in 2004/05

    boundary of distributions of Antarctic krill and ice krill for biomass estimations using acoustic data in ... conditions, and the distribution of krill as prey and baleen whales as predators in the Ross Sea and its ... thermal conditions, krill and baleen whale distributions. The oceanography of the surface layer was ... distribution patterns of each species. Antarctic krill (Euphausia superb) mainly distributed in the Antarctic ...

    Meeting Document : WG-EMM-07/07 : Autor(es): M. Naganobu, S. Nishiwaki, H. Yasuma, R. Matsukura, Y. Takao, K. Taki, T. Hayashi, Y. Watanabe, T. Yabuki, Y. Yoda, Y. Noiri, M. Kuga, K. Yoshikawa, N. Kokubun, H. Murase, K. Matsuoka and K. Ito (Japan)

Páginas