Результаты поиска
-
Summary of monitoring and research activities at Svarthamaren, Dronning Maud Land
of the population monitoring show that the number of pairs with chick or egg varied between 55,387 ... -178,240 (mean 119,000). Assuming that about 10 % of the colony is situated in inaccessible parts outside ... that the total number of reproductive birds attached to the colony is approximately 510,000 individuals ... . Annual survival rates varied between 0.871-0.954 (mean 0.924). Our results suggest that a monitoring ...
Meeting Document : WG-EMM-97/78 : Автор(ы): Lorentsen, S., Tveraa, T., Røv, N.
-
Proposal for a dedicated krill survey for CCAMLR Division 58.4.1 during 2018/19 season by the Japanese survey vessel, Kaiyo-maru
presented to WG-EMM-17 with an intention to receive comments from the participants. Every suggestion will be ... research vessel, Kaiyo-maru, will be used in the survey. The krill survey (echosounder and RMT) and ... subsequent biomass estimation will follow the CCAMLR standard protocol. The survey will be international ... acoustic survey methods, will be submitted to SG-ASAM-18 for further considerations. The final plan will be ...
Meeting Document : WG-EMM-17/05 : Автор(ы): H. Murase, K. Abe, T. Ichii and A. Kawabata
-
Conditions for the precise measurement of fish target strength in situ
the multiple echoes which is derived from a residual of the single echo extraction. With the decrease ... values TS measurement will be successful. The effectiveness of both indexes is confirmed by the data set ... calibration between Japanese and U.S. vessels on 15 and 16 August 1991. Published in J.Mar.Acoust.Soc. Author ...
Meeting Document : WG-Krill-94/35 : Автор(ы): K. Sawada and M. Furusawa (Japan), N.J. Williamson (USA)
-
Winter gut contents of the Antarctic krill (Euphausia superba Dana) collected in the South Georgia area
the South Georgia area in austral winter, 12 July ~ 4 August 1992 were observed. A total of 130 ... imply that E. superba seemed to seasonally switch their food source: E. superba demonstrated herbivorous ... be important aspects for the population dynamics of krill. Author(s): Y. Nishino and A. Kawamura ...
Meeting Document : WG-KRILL-93/30 : Автор(ы): Y. Nishino and A. Kawamura (Japan)
-
Progress report on the research fishery for Dissostichus spp. in Subarea 48.6 being jointly undertaken by Japan and South Africa: 2012/13 and 2013/14
recaptures are within season the progress is encouraging and the indications are that sufficient tagged ... toothfish could be recaptured by the end of the current season to enable a tag-based assessment of the ... Dissostichus resource in Subarea 48.6 to be undertaken next year. Concern is expressed over the rise of IUU ... ): R. Leslie (South Africa), K. Taki, T. Ichii (Japan) and S. Somhlaba (South Africa) Title: Progress ...
Meeting Document : WG-SAM-14/10 : Автор(ы): R. Leslie (South Africa), K. Taki, T. Ichii (Japan) and S. Somhlaba (South Africa)
-
Update report on marine mammal interactions in Division 58.4.4
in 2012 and 2014, analyses show that 13 individuals have been interacting with the vessel. The three ... Division 58.4.4 and killer whales have been observed to interact with the vessels until 2014. Interaction ... individuals observed in 2014 were observed again in 2018 on the west part of Crozet’s EEZ along with two other ... . Tixier, T. Okuda, C. Péron and F. Massiot-Granier Title: Update report on marine mammal interactions in ...
Meeting Document : WG-SAM-2019/01 : Автор(ы): N. Gasco, P. Tixier, T. Okuda, C. Péron and F. Massiot-Granier
-
Abundance and trends in the breeding population of Adélie penguins (Pygoscelis adeliae) in the western Ross Sea
summer, with just over a quarter (27.5%) at colonies on Ross and Beaufort Islands (southern Ross Sea meta ... , 2001-2010. In contrast, a single declining trend line best represented the number of breeding pairs at ... Crozier, but not Cape Royds, remains unknown. It is likely that the adverse oceanographic and sea ice ... resulted in adults choosing to abandon or skip breeding in the worst affected years, especially 2001. The ...
Meeting Document : WG-EMM-13/30 : Автор(ы): P. O’B. Lyver, M. Barron, K.J. Barton, S. Gordon (New Zealand), D. Ainley, A. Pollard (USA), P.R. Wilson and M.H. Pinkerton (New Zealand)
-
The annual random stratified trawl survey in the waters of Heard Island (Division 58.5.2) to estimate the abundance of Dissostichus eleginoides and Champsocephalus gunnari for 2015
invertebrates in the 2015 survey was 4.6 t, with the most abundant taxa being jellyfish and the poriferan ... 2015, with the completion of 163 stations, an additional five stations compared with previous surveys ... , including the net used were identical to previous surveys. The catch rate of D. eleginoides was twice that ... of 2014 and two and a half times that of the long-term average for the survey. The C. gunnari catch ...
Meeting Document : WG-FSA-15/11 : Автор(ы): G.B. Nowara, T.D. Lamb and D.C. Welsford (Australia)
-
CPUE, net towing depth and body length of krill during the winter operation of Japanese krill fishery around South Georgia
from net towing depth. Net tow depth data implied that overall krill distribution in the the winter ... season might be deeper than the summer season. Interannual variability of vertical distribution was also ... Peninsula region and Weddell Sea. Author(s): Kawaguchi, S., Ichii, T., Naganobu, M. Title: CPUE, net ...
Meeting Document : WG-EMM-96/51 : Автор(ы): Kawaguchi, S., Ichii, T., Naganobu, M.
-
Spatio-temporal trends of longline fishing effort in the Southern Ocean and implications for seabird by-catch
with substantial illegal longline fisheries, may be placing the long-term viability of many Southern ... distant-water pelagic fleets began fishing for tuna and tuna-like species in the early 1950s. Along with ... areas by wide-ranging seabirds. Attracted by baits and offal, the birds can be caught on the baited ... Ocean species of seabird in jeopardy. Author(s): G.N. Tuck, T. Polacheck and C.M. Bulman (Australia ...
Meeting Document : WG-FSA-02/43 : Автор(ы): G.N. Tuck, T. Polacheck and C.M. Bulman (Australia)
Страницы
- « первая
- ‹ предыдущая
- …
- 99
- 100
- 101
- 102
- 103
- 104
- 105
- 106
- 107
- …
- следующая ›
- последняя »