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  • 《农业农村部:2025年全国农作物 耕种收综合机械化率达到75%》
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  • 《农业农村部:2025年全国农作物 耕种收综合机械化率达到75%》
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  1. ANTARCTIC FUR SEAL PUP PRODUCTION AND POPULATION TRENDS IN THE SOUTH SHETLAND ISLANDS WITH SPECIAL REFERENCE TO SOURCES OF ERROR IN PUP PRODUCTION ESTIMATES

    the water (~30d after the median date of pupping [MDP]). Leopard seal predation for the first 75d post MDP ... entering the water (~30d after the median date of pupping [MDP]). Leopard seal predation for the first 75 ...

    Meeting Document : WG-EMM-PSW-08/14 : Author(s): M.E. Goebel (USA), D.E. Torres C. (Chile), A. Miller, J. Santora, D. Costa (USA) and P. Diaz (Chile)

  2. Towards an initial operational management procedure for the krill fishery in Subareas 48.1, 48.2 and 48.3

    values fall below a target level of 0.75 CPUEref. An operating model of kril1 dynamics in the region ... of the previous three year's CPUE values fall below a target level of 0.75 CPUEref. An operating model of kril1 ...

    Meeting Document : SC-CAMLR-VIII/BG/17 : Author(s): Delegation of South Africa

  3. A condensed history and document of the method used by CCAMLR to estimate krill biomass (B0) in 2010

    WG-EMM reports (SC-CAMLR-XIV, Annex 4, Paragraph 4.61;  SC-CAMLR-XV, Annex 4, Paragraphs 3.72 to 3.75 ... to 3.75, 8.8; SC-CAMLR-XVI, Annex 4, Paragraphs 8.109 to 8.129; SC-CAMLR-XVII, Annex 4, Paragraphs 9.49 ...

    Meeting Document : WG-EMM-16/38 : Author(s): S. Fielding, A. Cossio, M. Cox, C. Reiss, G. Skaret, D. Demer, J. Watkins and X. Zhao

  4. Indices of body condition and body composition in female Antarctic fur seals (Arctocephalus gazella)

    highly correlated with TBW (r = 0.75, P < 0.0001) and the inclusion of mass into the predictive equation ...

    Meeting Document : WG-EMM-95/21 : Author(s): Arnould, J.P.Y.

  5. Analysis of albatross and petrel distribution within the CCAMLR Convention Area: results from the global procellariiform tracking database

    Abstract:  This paper presents an analysis of the distribution of albatrosses and petrels in the CCAMLR Convention Area (areas, sub-areas, divisions and sub-divisions), based on data from the Global Procellariiform Tracking Database. The results highlight the importance of the CCAMLR area,

    Meeting Document : WG-FSA-05/75 : Author(s): BirdLife International

  6. Description of an AD Model Builder implementation of the exact time of release and recapture stock assessment model of Tuck et al. (2003)

    Abstract:  Tuck et al. (2003) describe an exact time of release and recapture stock assessment model and applied it to the stock of Patagonian Toothfish, Dissostichus eleginoides,at Macquarie Island that have been fished by Australian trawlers from November 1994. This work was previously presented

    Meeting Document : WG-FSA-04/75 : Author(s): S.G. Candy, A.J. Constable and D. Erceg (Australia)

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

    Abstract:  To provide an age-length key for use in modelling the age structure of the Patagonian 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

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

  8. Ideal survey patterns: an example of using a simulated world

    Abstract:  This paper considers a class of survey patterns for a toothfish long lining fishery. These survey patterns are characterised by a minimum mutual separation distance and a shot selection criteria. The shot selection criteria can be either that locations of known good quality are

    Meeting Document : WG-FSA-01/75 : Author(s): I.R. Ball and A.J. Constable (Australia)

  9. Laboratory target strength measurements of free swimming Antarctic krill (Euphausia superba)

    Abstract:  Target strength measurements of free swimming krill at 120kHz were made using a single beam monostatic system in a 10 m3 laboratory tank. Krill (grouped according to length classes) swam freely in the tank triggering the data acquisition system when generating a back scattered signal

    Meeting Document : WG-EMM-97/75 : Author(s): Pauly, T., Penrose, J.D.

  10. A comparison of acoustic targets at South Georgia and the South Orkney Islands during a season of profound krill scarcity

    Abstract:  Dual frequency (38 and 120 kHz) acoustic surveys of shelf-break regions in the vicinity of Willis Islands, South Georgia and Coronation Island, South Orkneys, both in the Atlantic sector of the Southern Ocean, were carried out from RRS lames Clark Ross during January 1994. Difference in

    Meeting Document : WG-EMM-95/75 : Author(s): Watkins, J.L., Brierley, A.S.

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