Resultados de la búsqueda

1. Are tagging targets set in appropriate terms?

   is set in terms of the number of fish tagged per mass of fish caught thereby mixing “units” of ... that defining the target in terms of a percentage of the number caught may be more appropriate. Author ...

   Meeting Document : WG-SAM-12/25 : Autor(es): R.W. Leslie and C. Heinecken (South Africa)

2. PROPOSED RESOLUTION ON ILLEGAL, UNREPORTED AND UNREGULATED (IUU) FISHING IN THE CCAMLR CONVENTION AREA

   Abstract:  PROPOSAL The delegation of New Zealand proposes that the Commission adopts a new ... reaffirmation by CCAMLR Members of their commitment to prevent, deter and eliminate IUU fishing in the CCAMLR ... action taken by CCAMLR, notably through relevant CCAMLR Conservation Measures addressing the problem of ... ) and pursuant to CCAMLR’s System of Inspection. The proposed resolution also updates CCAMLR Resolution ...

   Meeting Document : CCAMLR-XXIX/36 : Autor(es): Delegation of New Zealand

3. Preliminary report from New Zealand research voyages to the Balleny Islands in the Ross Sea region, Antarctica, January to March 2006

   decision to send two separate research voyages to the Balleny Islands, located north of the Ross Sea, in ... the Antarctic summer of early 2006. The first of these voyages involved a dedicated research ... voyage included supplemental sampling in the Balleny Islands area as part of a larger Ross Sea expedition ... utilizing R/V Tangaroa. The successful completion of these voyages represents a considerable step forward ...

   Meeting Document : WG-EMM-06/31 : Autor(es): B.R. Sharp (New Zealand)

4. Beached birds: a guide used by north pacific groundfish observers to identify seabirds incidentally caught in fisheries

   Abstract:  In the fall of 2002, the U.S. National Marine Fisheries Service (NMFS) purchased 300 ... copies of Beached Birds for use by North Pacific Groundfish Observers deployed on commercial fishing ... vessels in the Bering Sea and Gulf of Alaska. This new guide replaces a dichotomous key on looseleaf paper ... with black and white drawings. The purpose of using this new educational tool is to enhance the ability ...

   Meeting Document : WG-FSA-03/24 : Autor(es): T. Hass and S. Davis (USA)

5. Determining toothfish otolith structure using oxytetracycline at South Georgia – a preliminary report

   at South Georgia and Shag Rocks early in 2000. A total of 2486 have been tagged and released during ... trawl surveys, experimental pot fishing and longline fishing. Some of the fish tagged on longliners in ... otoliths of some of these chemically marked recaptures of the 2003 season were examined and the preliminary ... were also recaptured. From recaptures of chemically marked fish our study seems to indicate that the ...

   Meeting Document : WG-FSA-03/80 : Autor(es): M.G. Purves, M. Belchier, D.J. Agnew, G. Moreno and T.R. Marlow (United Kingdom)

6. CONVERSION FACTORS AND GREEN WEIGHT CALCULATION IN THE ANTARCTIC KRILL FISHERY

   number of reasons:.; o Differences in the method of processing the same products o Seasonal variation o ... Spatial variation o Krill water content o Reporting errors (recording percentage recovered instead of ... total catch estimates as the majority of vessels interviewed made direct estimates of green weight ... catches; and, A need for closer monitoring of processing methods, calculation of green weight catches, and ...

   Meeting Document : TASO-09/06 : Autor(es): Moir Clark, J., Peatman, T.

7. Further krill-predator model calculations

   Antarctic fur seal dataset. These calculations are extended here. The level of krill fishing intensity ... estimated previously. Tests of the estimation procedure indicate that γhalf estimates are likely to be ... biased upwards. The estimator is not robust to incorrect specification of the form of the functional ... relationship assumed between krill availability and survival rates, and especially not to the assumption of the ...

   Meeting Document : WG-EMM-97/70 : Autor(es): Thomson, R.B., Butterworth, D.S.

8. Krill catch distribution in relation to predator colonies, 1987-1991

   Abstract:  The distribution of krill catches in relation to predator colonies in Subareas 48.1 and ... 48.2 is shown. 74-90% of catches in Subarea 48.1 are taken within 100 km of predator colonies between ... December and March, and these are between 10 and 18% of the estimated total penguin consumption in this ... period. The pattern of fishing is very consistent in all years 1988-1991 in Subarea 48.1, but is more ...

   Meeting Document : WG-KRILL-92/18 : Autor(es): Secretariat

9. Australian research on Antarctic bird and seal diets

   Abstract:  Many data on the diets of important vertebrate predator species in Prydz Bay and around ... , Euphausia superba forms a rather low proportion of the diet of most vertebrate predators. Euphausia ... between prey species. The use of these predators to monitor the state of prey populations is thus very ... limited, although continuing studies will be useful to assess the natural varibility of the system. Around ...

   Meeting Document : SC-CAMLR-VII/BG/32 : Autor(es): Delegation of Australia

10. Estimating toothfish biomass in Subarea 48.3 using local depletions

    Abstract:  We investigated local depletions of toothfish under concentrated fishing effort as a ... means of estimating toothfish density at South Georgia. Over the four years 2000-2003, we found 25 areas ... of 12’ by 12’ where there had been forty or more hauls in any particular year. There were 62 ... individual vessel fishing events in these areas over this period, 40 of which appeared to be depletions ...

    Meeting Document : WG-FSA-SAM-04/18 : Autor(es): Pearce, J., Agnew, D.

Páginas