Результаты поиска

1. Variation in the diet of the blue-eyed shag Phalacrocorax atriceps throughout the breeding season at Half-Moon Island, South Shetland Islands

   Abstract:  One hundred and seventy three regurgitated casts of the blue-eyed shag or imperial ... important in mass (79%), followed by N. nudifrons and T. newnesi. The overall composition of the diet was ... diet was more diverse and comprised chiefly prey of lower energetic content like other smaller fish ... species and non- fish organisms. This may reflect different degrees of energy demand by chicks at ...

   Meeting Document : WG-EMM-95/78 : Автор(ы): Barrera-Oro, E., Casaux, R.

2. Relative selectivity of four sampling methods using traps and trawls for male snow crabs (Chionoecetes opilio)

   Abstract:  Catch rate and catch composition of male snow crabs were compared for four sampling ... deployed during the day. and (4) bottom trawl deployed at night. Catches were characterized in terms of ... crab body sizes, shell conditions, and claw allometry. We concluded that: 1) mean and modal size of ... , were larger than those caught in the trawl; the size of crabs caught in the trawl at night was larger ...

   Meeting Document : WS-CRAB-93/11 : Автор(ы): J.M. Hoenig and E.G. Dawe (USA)

3. Summary of toothfish tagging suitability data from paired Spanish line – trotline sets

   only tag fish with a high probability of survival. Further it recommends that fish hooked only in the ... mouth should be tagged. A new data collection form was implemented in 2012 to allow evaluation of fish ... these data and data from tag release forms to assess suitability of captured toothfish for tagging. Data ... tagging was most related to species, soak time, and fish size. For both gear types, an adequate number of ...

   Meeting Document : WG-FSA-12/49 : Автор(ы): S. Parker and D. Fu (New Zealand)

4. Vast assembly of vocal marine mammals from diverse species on fish spawning ground

   information on prey distribution and abundance as well as distribution and activity of their top predators ... echoes used in the assessment of prey abundance and distribution. Periodically, only the receiver array ... methodology offer coverage of 10s of km and may thus inform about variability issues now causing troubles in ... the assessment of krill using conventional acoustic methods.   Author(s):  D. Wang, H. Garcia, W ...

   Meeting Document : WG-EMM-16/P01 : Автор(ы): D. Wang, H. Garcia, W. Huang, D.D. Tran, A.D. Jain, D.H. Yi, Z. Gong, J.M. Jech, O.R. Godø, N.C. Makris and P. Ratilal

5. Review of the CEMP standard methods and their delivery to the CEMP database

   -EMM to continue review of the CEMP Standard Methods and their delivery to the CEMP database. The ... discussions were diverse in covering a wide range of parameters, methods and issues, but in the limited time ... available it was not possible to discuss all aspects of CEMP. The issues considered are presented under ... broad themes with some historical background to the development of those themes provided as context ...

   Meeting Document : WG-EMM-04/70 : Автор(ы): C. Southwell, J. Clarke (Australia), K. Reid (United Kingdom), G. Watters (USA) and D. Ramm (CCAMLR Secretariat)

6. Information on the spawning season and gonadosomatic indices of Dissostichus mawsoni from Subarea 88.1 in the 2001/02 season

   Abstract:  Data on maturity, gonadosomatic index (GSI) and length/weight of Antarctic toothfish ... longline vessels Janas and San Aotea II operating in the Exploratory Fishery. The onset of the spawning ... season was identified as late autumn (May). A significant difference in the condition of fish between ... summer and autumn was noted, and this may be a result of migration f or spawning. The maximum GSI ...

   Meeting Document : WG-FSA-02/31 : Автор(ы): G.J. Patchell (New Zealand)

7. Secretariat work in support of WG-EMM

   Abstract:  This paper summarises some of the main tasks which the Secretariat has undertaken over ... the past year in support of WG-EMM. The outcome of these tasks are outlined in table format. Where ... work in support of WG-EMM Approval:  Approved ...

   Meeting Document : WG-EMM-01/6 : Автор(ы): Secretariat

8. Status of the FIBEX acoustic data from the west Atlantic

   to check the consistency of krill abundance estimates derived from different survey vessels. There is ... a good level of consistency between the results from four of the vessels, Itzumi, Dr Eduardo L ... Holmberg, Odysee and Walther Herwig. While there is an error factor due to the combination of data ... :  Status of the FIBEX acoustic data from the west Atlantic Approval:  Approved ...

   Meeting Document : WG-KRILL-93/31 : Автор(ы): P.N. Trathan and I. Everson (United Kingdom)

9. Does the current South Georgia groundfish survey accurately estimate the standing stock of mackerel icefish?

   bottom trawl survey, but evidence from predators and acoustics indicates that a considerable portion of ... short acoustic survey on FPRV Dorada showed that mackerel icefish, of all age classes, spend time in ... acoustic survey has the potential to give a better estimate of icefish biomass, however acoustic methods ... of icefish. Author(s):  Agnew, D., Goss, C., Xavier, J., Belchier, M., Collins, M., Reid, K. Title ...

   Meeting Document : WG-FSA-SAM-04/20 : Автор(ы): Agnew, D., Goss, C., Xavier, J., Belchier, M., Collins, M., Reid, K.

10. Bycatch of skates (Rajiformes) and grenadiers (Macrouridae) in longline fisheries in Subarea 48.3

    Abstract:  This paper investigates factors affecting the bycatch of skates (Rajiformes) and ... to the sea bed and type of bait used. The areas of greatest catch rates differed by area and depth ... range. During the period 1996–1999 skate bycatch was higher in February-March, while that of grenadiers ... . Ellis and R. Scott (United Kingdom) Title:  Bycatch of skates (Rajiformes) and grenadiers (Macrouridae ...

    Meeting Document : WG-FSA-14/47 Rev. 1 : Автор(ы): V. Laptikhovsky, M. Soeffker, M. Belchier, J. Roberts, C. Darby, J. Ellis and R. Scott (United Kingdom)

Страницы