Результаты поиска

1. Modelling catch and effort data using generalised linear models with random cruise effects: trawl fishery for mackerel icefish (Champsocephalus gunnari) in CAMLR Area 58.5.2

   Abstract:  A set of procedures for modelling catch and effort data using generalized linear mixed ... , after which time there was a sharp increase in 2001 with a steady decline thereafter. The sharp increase ... has since diminished through a combination of Author(s):  S.G. Candy (Australia) Title:  Modelling ...

   Meeting Document : WG-FSA-03/35 : Автор(ы): S.G. Candy (Australia)

2. CCAMLR Survey Database: development during 2002

   had to be postponed because of a higher priority need for developing a web-based data system for the ... database consists of some 50 tables and 50+ stored procedures and triggers. A detailed description of the ... existing CCAMLR data to the new survey database. Future work may also include the development of a stand ...

   Meeting Document : WG-FSA-02/10 : Автор(ы): Secretariat

3. Notes for identifying the three macrourid species, M. holotrachys, M. whitsoni and M. carinatus in CCAMLR Subarea 48.3

   scale counts were used. M.whitsoni has a head ratio (head length/inter orbital distance) of less than ... 5.2 whilst M.carinatus has a head ratio of greater than 5.2. There was some overlap in the ranges of ... most of these measures and so a single character will not always successfully I.D. a species. However ...

   Meeting Document : WG-FSA-02/29 : Автор(ы): S.A. Morley, M. Belchier, M.G. Purves, T. Mulvey and J. Dickson (United Kingdom)

4. Age-at-length of Patagonian toothfish from South Georgia

   toothfish stock around South Georgia, we used otoliths to estimate the age of a sample of 264 Patagonian ... toothfish (Dissostichus eleginoides) captured in the longline fishery. We used a thin section grinding ... machine to reveal a transverse plane through the otolith nucleus and between crenellations. A single ...

   Meeting Document : WG-FSA-02/75 : Автор(ы): J. Ashford, M. Belchier, C. Jones and S. Bobko

5. Preliminary analysis of seabird by-catch in the South Georgia icefish fishery

   Abstract:  We conducted a preliminary analysis on the numbers of birds caught as a bycatch in the ... factors affecting the probability of a haul catching birds, but no significant factors were found that ... suggest that there may be a year effect. We were unable, with the limited data available, to separate ...

   Meeting Document : WG-FSA-01/30 : Автор(ы): D.J. Agnew, N. Ansell and J.P. Croxall (United Kingdom)

6. Reducing seabird by-catch with an underwater longline setting funnel

   Abstract:  We tested the efficacy of a Mustad underwater setting funnel to reduce seabird bycatch ... in a demersal longline fishery for Patagonian toothfish Dissostichus eleginoides. The funnel, which ... million hooks) over a two-year period. There was no evidence for lower catches or significantly higher ... offers a significant reduction in seabird mortality and could increase fishing efficiency by allowing ...

   Meeting Document : WG-FSA-00/29 : Автор(ы): P. Ryan and B. Watkins (South Africa)

7. Human activity and disturbance: building an Antarctic site inventory

   Antarctic shipboard tourism takes place. A brief summary of this human history in Antarctica reveals a wide ... intended to provide a new measure of protection by ensuring that tourism, science, and all other human ... a database and inventory of information that assists in both the preparation and the evaluation of ...

   Meeting Document : WG-EMM-98/09 : Автор(ы): R. Naveen, Oceanites (USA)

8. CLIMATE CHANGE AND THE ANTARCTIC MARINE ENVIRONMENT: MANAGEMENT IMPLICATIONS

   necessitate that CEP and CCAMLR address a number of key issues if both organisations are to fulfil their ... understanding, such a risk assessment should be feasible and should provide a focus for future work. As part of ... .. Therefore, a plan for the future would likely involve delegated responsibility (e.g. to CEP, or CCAMLR, or ...

   Meeting Document : WG-EMM-09/24 : Автор(ы): P.N. Trathan and D. Agnew (United Kingdom)

9. Length composition, sex ratio, and pre-spawning migration of Dissostichus eleginoides in Subarea 48.3 during 1995

   South Georgia (NWSG). In March there was a high proportion of large females at Wshag (72%) but a nearly ... equal proportion of males and females at NWSG. It is suggested that a strong influx of small fish at ... at Wshag are hypothesised to be the result of a prespawning migration of sub-adults, especially males ...

   Meeting Document : WG-FSA-95/27 Rev. 1 : Автор(ы): Agnew, D.J.

10. The relationship between krill (Euphausia superba) fishing areas in the west Atlantic and the species’ circumpolar distribution

    four regions are also calculated- (a) the CCAMLR Convention Area, (b) south of 55°S, (c) containing ... computer software based on a Lambert Geographical Projection. As a secondary step, the mean krill density ... estimate for the West Atlantic during FIBEX (First International BIOMASS Experiment) is expanded to give a ...

    Meeting Document : SC-CAMLR-VIII/BG/19 : Автор(ы): Delegation of South Africa

Страницы