Search results
-
A RE-ANALYSIS AND UPDATE OF THE ANTARCTIC KRILL BIOMASS IN THE SOUTH SHETLAND ISLANDS, THROUGH 2011
Abstract: Acoustically based estimates of Antarctic krill (Euphausia superba) biomass, and net ... -based estimates of krill density and recruitment are recalculated for the years 1996 through 2011 ... . The time series of acoustic biomass indicate that krill have varied by more than an order of magnitude over ... for the Elephant Island, West and South Areas, during leg 1. Recruitment estimated from net based data show ...
Meeting Document : WG-EMM-11/26 : Author(s): A. Cossio, C. Reiss and R. Driscoll (USA)
-
Revised assessment models for Patagonian toothfish in research block 58.4.3a_1 of Division 58.4.3a, Elan Bank for the years 2005–2014
Abstract: We revised sensitivity runs of age-structured and two fisheries (≥1 300 m and < ... in this division: two catch at length models including (ELAN_len model) or excluding (ELAN_tag model) the data from ... fish tagged in 2012, and a catch at age model including the data with a single age length key applied ... data boosted the MPD estimate of B 0 in ELAN_tag model. The selectivity of the right hand limb of deep ...
Meeting Document : WG-FSA-15/22 : Author(s): K. Taki (Japan), S. Mormede (New Zealand) and T. Ichii (Japan)
-
CCAMLR-XXII
of annual summaries of data compiled from the CCAMLR Catch Documentation Scheme Submitted by IUCN CCAMLR ... , 27 October 2003 to Friday, 7 November 2003 Meeting documents Doc Number Title CCAMLR-XXII/01 ... to continue an exploratory fishery for Dissostichus spp. in CCAMLR Subareas 88.1 and 88.2 for the 2003/04 ... fisheries for toothfish (Dissostichus spp.) in CCAMLR Subareas 48.6 and 88.1 in the 2003/04 season ...
Meeting
-
Evaluation of krill transport factor results in Subarea 48.2 in summer period of 1996
Abstract: The methods and preliminary data on evaluation of krill transfer factors results ... The methods and preliminary data on evaluation of krill transfer factors results in subarea 48.2 ... and Weddell Sea waters. The experiment was carried out in two stages: evaluation of krill transport through ... the polygon boundaries; hydroacoustic evaluation of krill biomass and distribution in the polygon ...
Meeting Document : WG-EMM-96/37 : Author(s): Sushin, V.A., Kasatkina, S.M., Shnar, V.N., Abramov, A.M., Polischuk, M.I.
-
Research plan for the 2016/17 exploratory longline fishery of Dissostichus spp. in Subarea 48.6 by South Africa and Japan
using the updated CCAMLR C2 and Observer data. We have firstly checked data quality and found some ... abnormal data for the two vessels in block 48.6_2, therefore we removed the data for the current analysis ... . We investigated the biological features of D. mawsoni using Observer data. The geographical ... in a separated document (Namba et al., WG-SAM-16xx, 2016). Author(s): Delegations of Japan and South Africa ...
Meeting Document : WG-SAM-16/07 : Author(s): Delegations of Japan and South Africa
-
Observations of penguins in the waters off South Orkney Islands, 2011–2013
of a larger program that aims to establish and build time series of environmental data, Antarctic krill ... of a larger program that aims to establish and build time series of environmental data, Antarctic krill ... ind/hour in 2012 and 58.5 ind/hour in 2013. Different results also appeared when comparing data ... (Euphausia superba) and krill predator’s abundance and distribution patterns in this area. Author(s): B.A ...
Meeting Document : WG-EMM-13/35 : Author(s): B.A. Krafft, G. Skaret (Norway) and P. Trathan (United Kingdom)
-
Krill biomass estimates for two survey boxes to the north east and north-west of South Georgia in January 1996: the beginning of a five-year monitoring program
therefore provide data of value to fishery scientists, ecologists and environmental modellers. The acoustic ... therefore provide data of value to fishery scientists, ecologists and environmental modellers. The acoustic ... variability in the abundance of the Antarctic krill Euphausia superba in the South Georgia region ... , and to provide krill biomass estimates for management purposes. Survey box 1 was located to the north-east ...
Meeting Document : WG-EMM-96/18 : Author(s): Watkins, J.L., Murray, A.W.A., Brierley, A.S.
-
Relationships between the distribution of whales and Antarctic krill Euphausia superba at South Georgia
Abstract: The distribution of whales and krill in two survey boxes north of South Georgia ... was examined by comparing sightings and underway acoustic data collected as part of a multidisciplinary ... )) occurred close to the, largest single aggregation of krill. The level of association between baleen whales ... and krill was examined at a number of spatial scales. There was a positive relationship between whale ...
Meeting Document : WG-EMM-99/30 : Author(s): K. Reid, A.S. Brierley (United Kingdom) and G.A. Nevitt (USA)
-
Revised research plan for toothfish in Division 58.4.4b by Shinsei maru No. 3 in 2015/16
Abstract: In this document, we revise stock status assessments of D. eleginoide s in research ... results of reanalysis using CASAL models in research block 58.4.4b_1 are described in a separated document ... 58.4.4b_2 is estimated at 654 tonnes only by using CPUE method, as the catch and tagging data in block ... In this document, we revise stock status assessments of D. eleginoides in research blocks 58.4.4b_1 ...
Meeting Document : WG-FSA-15/20 : Author(s): Delegation of Japan
-
Further calculations of the effects of krill fishing on predators
resilience of the albatross population to the effects of a krill fishery. An approach for estimating ... to the effects of a krill fishery. Discussion is needed as to whether this reflects an inappropriate modelling ... population to the effects of a krill fishery. An approach for estimating the parameters of functional ... fur seal indicate a surprisingly low resilience of these populations to the effects of a krill fishery ...
Meeting Document : WG-Krill-94/24 : Author(s): D.S. Butterworth and R.B. Thomson (South Africa)