Результаты поиска
-
Revised research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. in Subarea 48.6
began in 2013 in data-poor fisheries. In the present report, the next three-season (2016-18) research ... plan in Subarea 48.6 was revised using the updated CCAMLR C2 and Observer data. The stock sizes for ... Dissostichus mawsoni in block 48.6_2. However, the estimates using the Petersen estimator were two-three times ... larger than those using the CPUE method in the block 48.6_3 and 48.6_4. Predicted numbers of tag ...
Meeting Document : WG-FSA-15/16 Rev. 1 : Автор(ы): Delegation of Japan
-
Has krill fishing the potential to adversely affect recruitment in Antarctic notothenioid fishes?
Abstract: A few years after krill (Euphausia superba) fishing had started in 1972/73, it became ... by-catch in fisheries targeting krill. The species composition of fish by-catch in krill fisheries is ... well-known from Polish investigations in the late 1970s and the 1980s and from Japanese, Ukrainian, and ... Russian investigations in the 1990s, 2000s and 2010s. However, only a few investigations in the 1990s and ...
Meeting Document : WG-FSA-14/66 : Автор(ы): K.-H. Kock (Germany) and C.D. Jones (USA)
-
Revised research plan for the 2016/17 exploratory longline fishery of Dissostichus spp. in Subarea 48.6 by South Africa and Japan
Abstract: South Africa and Japan have revised the next season’s (2016/17) research plan in ... in 2016. We have used extracted data provided by CCAMLR Secretariat in this late August for the ... current analysis, but not used the cleaning data provided by them in this early September due to tight ... schedule toward the submission. We investigated the biological features of D. mawsoni in the Subarea and ...
Meeting Document : WG-FSA-16/32 Rev. 1 : Автор(ы): Delegations of Japan and South Africa
-
What do we know about fish stocks in the Southern Scotia region? A review and prospects for future research
Abstract: Work on finfish in the southern Scotia Arc was restricted to taxonomy until the end of ... marbled notothenia, Notothenia rossii, started around the South Orkney Islands (60 – 62° / 43 – 47° W) in ... 1977/78 and close to Elephant Island and the lower South Shetland Islands (60 – 62° S / 54 – 62° W) in ... 1978/79. The fishery was lucrative for a few seasons only, and was closed in 1989/90. Stocks of finfish ...
Meeting Document : WG-FSA-00/14 : Автор(ы): K.-H. Kock (Germany) and C. Jones (USA)
-
Proposal for a CCAMLR sponsored research survey to monitor abundance of pre-recruit Antarctic toothfish in the southern Ross Sea
Abstract: The exploratory fishery for Dissostichus spp. has now been operating for 14 years in ... Subarea 88.1 and for nine years in Subarea 88.2. Associated research has led to an assessment of the ... fisheries potential yield, but a source of ongoing uncertainty in the stock assessment concerns recruitment ... dynamics. Although pre-recruit Antarctic toothfish fish are caught in various locations during fishing ...
Meeting Document : WG-SAM-11/16 : Автор(ы): S.M. Hanchet, S. Mormede, S.J. Parker and A. Dunn (New Zealand)
-
A characterisation of the toothfish fishery in Subarea 48.6 from 2003/04 to 2011/12
) in CCAMLR subarea 48.6 (South East Atlantic). This report summarises the catch, effort, timing, depth ... species caught in the fishery over the period 2003-4 to 2011-12 are also presented. For the Antarctic ... was reported exclusively in the SSRUs 48.6A and 48.6G. Most of the catches were reported by vessels ... %). Unstandardized raw catch and effort data suggested that the median catch per unit of effort in Antarctic ...
Meeting Document : WG-SAM-12/33 : Автор(ы): R. Wiff (Chile), M. Belchier (United Kingdom) and J. Arata (Chile)
-
A characterisation of the toothfish fishery in Subarea 48.6 from 2003/04 to 2011/12
) in CCAMLR subarea 48.6 (South East Atlantic). This report summarises the catch, effort, timing, depth ... species caught in the fishery over the period 2003-4 to 2011-12 are also presented.. For the Antarctic ... was reported exclusively in the SSRUs 48.6A and 48.6G. Most of the catches were reported by vessels ... %). Unstandardized raw catch and effort data suggested that the median catch per unit of effort in Antarctic ...
Meeting Document : WG-FSA-12/38 : Автор(ы): R. Wiff (Chile), M. Belchier (United Kingdom), J.C. Quiroz and J. Arata (Chile)
-
Assessment models for Patagonian toothfish in Division 58.4.4, SRU C on Ob and Lena Banks for the years 1989/90 to 2012/13
eleginoides in SSRUs C in Division 58.4.4 a & b (WG-SAM-13/21) following several advices during the last ... WG-SAM meeting as follows: 1)I included 2012 tag data (which was not used for model runs in WG-SAM-13 ... Japanese trotline system showed the captures of an adequate number of single-hooked fish in a state ... . The base model assumed the constant year class strength (YCS) and no IUU fishing occurrence in SSRU C ...
Meeting Document : WG-FSA-13/35 : Автор(ы): K. Taki (Japan)
-
Population identity, site-fidelity, movement ranges and preliminary estimates of abundance of southern right whales in the Antarctic Indian sector inferred from genetic markers
identity as well the individual identity of southern right whales distributed in summer in the Antarctic ... abundance based on ‘mark-recapture’ methods in the Antarctic Indian sector (i.e., between 80°-135°E and ... south of 60°S). In total, 157 biopsy samples were collected as skin biopsies from free-ranging whales ... the presence of a Y-chromosome specific locus. The mtDNA analysis suggested that whales in the ...
Meeting Document : WG-EMM-18/18 : Автор(ы): L.A Pastene, M. Goto, P. Acuña, M. Taguchi, T. Hakamada and K. Matsuoka
-
The effects of global climate variability in pup production of Antarctic fur seals
range in scale from those that impact individuals to those that impact the entire food web. Climate ... -induced changes in the abundance of species in lower trophic levels can cascade up to apex predators by ... remain largely unexplored. We investigated the delectability, limits, and nonlinearity of changes in ... Antarctic fur seal pup production at South Georgia over a 20-year period in response to environmental ...
Meeting Document : WG-EMM-06/P2 : Автор(ы): J. Forcada, P.N. Trathan, K. Reid and E.J. Murphy (United Kingdom)
Страницы
- « первая
- ‹ предыдущая
- …
- 177
- 178
- 179
- 180
- 181
- 182
- 183
- 184
- 185
- …
- следующая ›
- последняя »