Resultados de la búsqueda

1. Revised proposal for a CCAMLR sponsored research survey to monitor abundance of pre-recruit Antarctic toothfish in the southern Ross Sea

   survey was presented to the 2011 meeting of WG-SAM. In this paper we provide an update of the preliminary ... for the research proposal for a longline survey of pre-recruit toothfish in the southern Ross Sea ... location, the number of sets in each stratum required to achieve target c.v.s, and associated sampling ... -recruit (<100 cm TL) toothfish in the south of SSRUs 881.J and 881.L in the southern Ross Sea using ...

   Meeting Document : WG-FSA-11/47 : Autor(es): S.M. Hanchet, S. Mormede, S.J. Parker and A. Dunn (New Zealand)

2. Long term variability in the diet and reproductive performance of penguins at Bird Island, South Georgia

   present in 89 % of samples and were the main prey (> 50 % by mass) in 10 years of the study. Antarctic ... frequently recorded species, in 51 % and 33 % of samples respectively. The energy or mass of krill in the ... , H.J. Peat and P.N. Trathan Title:  Long term variability in the diet and reproductive performance of ... krill Euphausia superba were present in 85 % of all diet samples. Fish were present in 79 % of samples ...

   Meeting Document : WG-EMM-17/P02 : Autor(es): C.M. Waluda, S.L. Hill, H.J. Peat and P.N. Trathan

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

   analysis, variables area, season, length of line, soaktime, latitude and month in season entered the model ... , in order. This model explained 32% of the data variability, but was influenced by exploratory fishing ... and type of set (research or exploratory) entered the model, in order. This model explained 34% of the ... (New Zealand) Title:  Preliminary standardised CPUE analysis of the New Zealand toothfish fishery in ...

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

4. A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997–98 to 2010–11

   1997–98 to 2010–11. During the 2010–11 fishing year most of the catch in Subarea 88.1 came from the ... slope SSRUs 88.1H and 88.1I, and SSRU 88.1K. About 63% of the catch limit in the north was taken from ... time in each of the fisheries showing no trend. There is no evidence of any truncation of the overall ... ) Title:  A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997–98 to 2010–11 ...

   Meeting Document : WG-FSA-11/45 : Autor(es): M.L. Stevenson, S.M. Hanchet, S. Mormede and A. Dunn (New Zealand)

5. DEVELOPMENT OF SPATIALLY EXPLICIT AGE-STRUCTURED POPULATION DYNAMICS OPERATING MODELS FOR ANTARCTIC TOOTHFISH IN THE ROSS SEA

   distribution of Antarctic toothfish, suggesting that younger fish were found predominantly in the southern ... conflict with assumptions of known abundance in the model and the abundance information inherent in the tag ... operating models for Antarctic toothfish in the Ross Sea. The operating models consider both a coarse-scale ... other factors to quantify risk and uncertainties for management of the Ross Sea Antarctic toothfish ...

   Meeting Document : WG-SAM-09/18 : Autor(es): A. Dunn, S. Rasmussen and S. Hanchet (New Zealand)

6. An updated descriptive analysis of the toothfish (Dissostichus spp.) tagging programme in Subareas 88.1 and 88.2 up to 2005/06

   Abstract:  A descriptive analysis of the toothfish tagging programme carried out in Subareas 88.1 ... fish in the Ross Sea was very close to the size composition of the catch. Author(s):  A. Dunn and S.M ... which were presented in July 2006 at WG-FSA-SAM. In addition, the paper presents release and recapture ... still only available for about half of the non-New Zealand vessels for 2003-04. A reported total of 10 ...

   Meeting Document : WG-FSA-06/34 : Autor(es): A. Dunn and S.M. Hanchet (New Zealand)

7. ENTANGLEMENT OF ANTARCTIC FUR SEALS ARCTOCEPHALUS GAZELLA IN MAN-MADE DEBRIS AT BIRD ISLAND, SOUTH GEORGIA DURING THE 2007 WINTER AND 2007/08 BREEDING SEASON

   proportion of entanglements were in sections of fishing net (40%). Packing bands were the second most ... abundant entangling material in both summer (38%) and winter (25%). The majority of entanglements (78 ... the winter period showed a decrease in the number of entanglements compared to the high levels during ... summer period showed a small rise in the number of entanglements compared with the previous season, but ...

   Meeting Document : WG-FSA-08/27 : Autor(es): E.W.J. Edwards (UK)

8. Escapement of elephant seal prey in the Heard Island fishery for Dissostichus eleginoides

   fishery for toothfish in Division 58.5.2 might have on the abundance of the age classes of toothfish ... reliably and related to a specific size class of fish. However, it seems that toothfish in the age range of ... evaluation of escapement of young fish (ages 2-6 years old) under the current catch limit of 3800 tonnes in ... Mare, W.K., Williams, R. Title:  Escapement of elephant seal prey in the Heard Island fishery for ...

   Meeting Document : WG-EMM-97/42 : Autor(es): Slip, D., Constable, A.J., de la Mare, W.K., Williams, R.

9. Analysis of krill fishery behaviour in the southwest Atlantic: potential signals for moving fishing activities amongst SSMUs

   . Vessels move around less frequently in Subarea 48.2 during the summer season because of only one viable ... . Nicol (Australia) Title:  Analysis of krill fishery behaviour in the southwest Atlantic: potential ... Abstract:  This paper outlines the difference in fishing patterns between regions (Subareas) and ... seasons by analyzing CPUE (catch per hour) patterns towards the end of their sets of operations before ...

   Meeting Document : WG-EMM-07/27 : Autor(es): S. Kawaguchi, A. Constable and S. Nicol (Australia)

10. Distribution of Soviet commercial fleet at krill fishery in the South Orkneys subarea (Subarea 48.2) during 1989/90

    . Actually during the whole season fishing vessels worked in one fishing ground off the north-western edge of ... in the beginning of the period with gradual subsequent decrease to the level inacceptable to the ... fleet (2.5 t/hour) in the next to the last five days of November. After disintegration of that ... Abstract:  The results of analysis of haul by haul catch statistics of Soviet commercial fleet ...

    Meeting Document : WG-EMM-97/50 : Autor(es): Sushin, V.A.

Páginas