Результаты поиска

1. An assessment of Chaenocephalus aceratus and Pseudochaenichthys georgianus in Subarea 48.3

   because of a lack of reliable biological and catch data. This paper attempts to reconstruct the fishery ... for these two species by assuming that 75% of the ‘unidentified fish’ caught by the Soviet Union in ... the years 1977 to 1988 consisted of catches of C. aceratus and P. georgianus. Biological, age-length ... from surveys, and indicate that the stock of C. aceratus has decreased from 18 000 tonnes to 6 000 ...

   Meeting Document : WG-FSA-90/06 : Автор(ы): D.J. Agnew (Secretariat) and K.-H. Kock (Germany)

2. Is toothfish catch correlated with the catch of vulnerable benthic invertebrate taxa?

   Abstract:  Accurate estimation of the true impact of bottom fishing on vulnerable marine ... ecosystems (VMEs) requires knowledge of the distribution of those communities relative to the fishing ... study used the catch of the six most common vulnerable invertebrate taxa reported by observers on New ... benthic invertebrate catch rates at a longline segment level. Analysis of the data available showed no ...

   Meeting Document : WG-EMM-10/27 : Автор(ы): S.J. Parker and M.H. Smith (New Zealand)

3. Investigating emigration in stock assessment models of Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 88.2C–H

   Abstract:  In 2013, the Scientific Committee of CCAMLR could not achieve consensus on a stock ... the recaptures of tagged fish seen in the SSRU 88.2H fishery. The patterns showed a sharp decay rate ... of a cohort of tagged fish with few being recaptured after more than 3 years at liberty, a steepening ... of the decay rate over time, and a trend for increasing proportions of tagged fish caught over time ...

   Meeting Document : WG-FSA-14/56 : Автор(ы): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)

4. Proposal to continue participation in the second year of the joint CCAMLR research survey to collect spatially stratified longline and bathymetric data in 88.2_A and 88.2_B in 2015/16

   Abstract:  Toothfish in SSRUs 882.A–B are currently managed as part of the Ross Sea region stock ... the management across all of the region. Recognising this requirement, the Scientific Committee ... endorsed two years of spatially stratified longline surveys in the northern region of SSRUs 88.2A–B (SC ... established to map and sample the fishable areas of SSRUs 88.2 A–B north of 66° S latitude. Following its ...

   Meeting Document : WG-SAM-15/32 : Автор(ы): Delegation of the United Kingdom

5. Proposal for a winter longline survey of Antarctic toothfish in Subarea 88.1 SSRUs B–C in 2016

   Ross Sea region to investigate spawning dynamics of Antarctic toothfish, as requested by the Scientific ... Committee in 2013. The longline survey is designed to cover key gaps in the knowledge of the life cycle of ... Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea by collecting biological samples from a range of ... to investigate the spawning timing and locations of Antarctic toothfish in the northern Ross Sea ...

   Meeting Document : WG-SAM-15/47 : Автор(ы): S.J. Parker, S.M. Hanchet and R.J.C. Currey (New Zealand)

6. Data on feeding and food objects of southern minke whales

   Abstract:  Presented research on feeding and the dietary structure by species of minke whales ... conducted in all four seasons. There have been no noticeable increase of the population size of large whales ... over the years after the cessation of whaling. The role of a short and profitable from the energy point ... of view trophic chain «phytoplankton- krill- baleen whales», which is of main interest due to the ...

   Meeting Document : SC-CAMLR-XXVI/BG/25 Rev. 1 : Автор(ы): Delegation of Ukraine

7. The role of fish in the Antarctic marine food web: differences between inshore and offshore waters in the southern Scotia Arc and west Antarctic Peninsula

   Abstract:  The role of fish in the Antarctic food web in inshore and offshore waters is analysed ... taking as an example the coastal marine communities of the southern Scotia Arc (South Orkney Islands and ... South Shetland Islands) and the west Antarctic Peninsula. Inshore, the ecological role of demersal fish ... is more important than that of krill. There, demersal fish are major consumers of benthos and also ...

   Meeting Document : WG-FSA-02/6 : Автор(ы): E. Barrera-Oro (Argentina)

8. Preliminary standardised CPUE analysis of the New Zealand toothfish fishery in Subarea 88.1 from 1997/98 to 2001/02

   Abstract:  This report provides the first analysis of standardised catch per unit of effort (CPUE ... ), and included a number of areas that had been fished for only one season. The second (main-ground ... main area of the fishery which had been consistently fished over most seasons. For the all-ground ... analysis, variables area, season, length of line, soaktime, latitude and month in season entered the model ...

   Meeting Document : WG-FSA-02/41 : Автор(ы): R.G. Blackwell and S.M. Hanchet (New Zealand)

9. Modelling the impact of fishery by-catches on albatross populations

   developed a deterministic, density-dependent, age-structured model for assessing the effects of longlining ... tuna longline fisheries south of 30 S, to model estimated by-catch levels and other population ... parameters in the model. 3. The model used two alternative assumptions about patterns of at-sea distribution ... of wandering albatross (uniform between 30°S–60°S; proportional to the distribution of longline ...

   Meeting Document : WG-FSA-01/18 : Автор(ы): G. Tuck, T. Polacheck (Australia), J.P. Croxall (UK) and H. Weimerskirch (France)

10. Report on attendance at the Third Meeting of the Committee for Environmental Protection Under the Madrid Protocol

    Abstract:  This report outlines the participation of the SC-CAMLR Chair in the Third Meeting of ... Committee for Environmental Protection (CEP-III) under the Madrid Protocol. The most important issues of ... designation of Specially Protected Species in respect of its own needs and in relation to available IUCN ... criteria; (c) CCAMLR's consideration of l\-larine Protected Areas should be carried forward and in ...

    Meeting Document : SC-CAMLR-XIX/BG/17 : Автор(ы): Chair of the CCAMLR Scientific Committee

Страницы