Результаты поиска
-
A SIMULATION MODEL FOR EVALUATING MANAGEMENT STRATEGIES TO CONSERVE BENTHIC HABITATS (VULNERABLE MARINE ECOSYSTEMS) WHICH ARE POTENTIALLY VULNERABLE TO IMPACTS FROM BOTTOM FISHERIES
level that can naturally restore the original structure and function within 20 years. It does not ... Abstract: Bottom fisheries are now to ‘avoid significant adverse impacts on vulnerable marine ... habitats. Noting the paucity of data on the ecology of these habitats, this paper provides a practical ... ”, a categorisation fraught with difficulty. Instead, it means that habitats for which this would not ...
Meeting Document : WG-SAM-09/21 : Автор(ы): A.J. Constable (Australia)
-
JAPANESE SCIENTIFIC OBSERVER ACTIVITIES FOR KRILL FISHERY IN CCAMLR CONVENTION AREA FROM 2003/04 TO 2007/08 FISHING SEASONS
. The Japanese scientific observers are trained through an educational program on fishery, krill and ... are analyzed through a cooperative scientific network on Antarctic ecosystem. Biological analysis of ... the incidentally caught species yielded guidelines for sampling and species identification of larval ... coverage to provide information for the management of fishery, krill resources and Antarctic ecosystem ...
Meeting Document : WG-EMM-09/19 : Автор(ы): M. Kiyota and T. Iida (Japan)
-
Spatio-temporal trends of longline fishing effort in the Southern Ocean and implications for seabird by-catch
fleets south of 30?S has been well over 250 million hooks per year since the early 1990s. However the ... distant-water pelagic fleets began fishing for tuna and tuna-like species in the early 1950s. Along with ... the more recent development and expansion of demersal longline fleets for species such as Patagonian ... areas by wide-ranging seabirds. Attracted by baits and offal, the birds can be caught on the baited ...
Meeting Document : WG-FSA-02/43 : Автор(ы): G.N. Tuck, T. Polacheck and C.M. Bulman (Australia)
-
By-catch analysis as a part of progress report for the research fishery of Dissostichus spp. in Divisions 58.4.3a and 58.4.4b by Japan and France during 2012/13–2016/17
report for the research fishery of Dissostichus spp. in Division 58.4.3a and 58.4.4b by Japan and France ... during 2012/13–2016/17. We have used extracted data provided by CCAMLR secretariat on 2 nd June, 2017 ... less than 100 kg and less than 20 % of total catch. GRV and ANT are common by-catch species, which are ... that the number of by-catch individuals is highest at the research block 58.4.4b_1 for GRV and ANT. As ...
Meeting Document : WG-SAM-17/45 : Автор(ы): T. Okuda, A. Rigaud, R. Sinegre and T. Ichii
-
By-catch analysis as a part of progress report for the research fishery of Dissostichus spp. in Subarea 48.6 by Japan and South Africa during 2012/13–2016/17
report for the research fishery of Dissostichus spp. in Subarea 48.6 by Japan and South Africa during ... 2012/13–2016/17. We have used data set provided by CCAMLR secretariat on 10 th May, 2017. Although the ... than 100 kg and less than 20 % of total catch. GRV and ANT are common by-catch species, which are ... blocks (48.6_3, 48.6_4, and 48.6_5). On the other hands, the number of ANT by-catch individuals is ...
Meeting Document : WG-SAM-17/44 : Автор(ы): T. Okuda, S. Somhlaba and T. Ichii
-
Design of the Italian acoustic survey in the Ross Sea for the Austral summer 2003/04
abundance, and the effects of predators on altering them; (2) Net sampling for describing krill demography ... -2004. The research consists of three core activities: (1) Acoustic sampling on krill (E. superba and E ... . crystallorophias) populations and concurrent censuses of their top predators for estimating krill distribution and ... , energetic/physiology and genetics; (3) CTD and XBT sampling for identifying the characteristics of the water ...
Meeting Document : WG-EMM-02/31 : Автор(ы): M. Azzali, A. Sala and S. Manoukian (Italy)
-
Comparison of catches for toothfish in 58.4.1, 58.4.2, and 48.6 from vessels with anomalous CPUE
where they were taken. For the purposes of developing an alternative catch history for these SSRUs, we ... Abstract: An accurate history of catch is an important input into the assessment of toothfish ... stocks, and uncertainty or bias in the amount of catch from an area must be taken into account in the ... assessment of a stock. In 2013, Korea held a workshop on the anomalous CPUE data reported from some Korean ...
Meeting Document : WG-FSA-13/57 Rev. 1 : Автор(ы): A. Dunn, B.R. Sharp (New Zealand), C. Darby (United Kingdom) and O.R. Godø (Norway)
-
Description of the tagging process and the development of a cradle for optimum landing and measuring of large fish followed by the Spanish F/V Tronio
where the overall size of the fish exceeds 115cm. The tagging station on the FV Tronio is on the upper ... station and to operate the cradle over the side for landing larger fish. To optimise the use of the cradle ... cradle to release the fish. The modification achieved most of these objectives, with room for some ... . Lafite Title: Description of the tagging process and the development of a cradle for optimum landing and ...
Meeting Document : WG-FSA-18/48 Rev. 1 : Автор(ы): R. Sarralde, C. Heinecken and P. Lafite
-
Results from the random stratified trawl surveys to estimate distribution and abundance of Dissostichus eleginoides and Champsocephalus gunnari in the Heard Island region (Division 58.5.2) for 2010 and 2011
information on abundance. Catches of D. eleginoides were at half or lower than in surveys from both years than ... the average catch for the previous four years (2006-2009). Catches of C. gunnari were very low, with ... 2011 on the RV Southern Champion, adding to the time series of annual surveys in Division 58.5.2 that ... commenced in 1997. An earlier survey in April 2010 was not completed, but valid hauls from this, as well as ...
Meeting Document : WG-FSA-11/23 : Автор(ы): G.B. Nowara, S.G. Candy and T. Lamb (Australia)
-
Trends in mean lengths and selectivities for Dissostichus eleginoides taken by longliners in Subarea 48.3
depth zone does have an important effect on the overall length-specific selectivity and that it is also ... curves were estimated for each of the years 1997-2000. Notable differences were found amongst these, but ... of fish taken on individual longline sets from which length frequencies were sampled by observers and ... found the same declines in mean lengths for the period 1997 – 1999 as previously noted by WG-FSA, but ...
Meeting Document : WG-FSA-01/48 : Автор(ы): G.P. Kirkwood and D.J. Agnew (United Kingdom)
Страницы
- « первая
- ‹ предыдущая
- …
- 350
- 351
- 352
- 353
- 354
- 355
- 356
- 357
- 358
- …
- следующая ›
- последняя »