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Report of the 1995/96 Japanese Whale Research Programme Under Special Permit in the Antarctic (JARPA) in Area IV and eastern part of Area III
changes. During the sampling, one animal was taken randomly from schools sighted as primary sighting ... the sampling, one animal was taken randomly from schools sighted as primary sighting. This was made in order ... in sighting and sampling and one sighting vessel (SV) dedicated exclusively to sighting activities. Survey ... were taken from humpback whales and one sample was taken from the blue and right whales, respectively ...
Meeting Document : WG-EMM-96/48 : Author(s): Yuzu, S., Ishikawa, H., Mogoe, T., Kawasaki, M., Hishii, T., Shimamoto, K., Tohyama, D., Nibe, H., Taguchi, F., Hidaka, H., Ono, K., Yamashiro, K., Yoshida, T., Tamura, T., Nishiwaki, S.
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Biological characteristics of Antarctic fish stocks in the Southern Scotia Arc region
of the gonads takes one year or more whereas in others gonad maturation is completed within one season. Length ... at sexual maturity and length at first spawning in C. gunnari is one year later on the southerly grounds ... of the gonads takes one year or more whereas in others gonad maturation is completed within one season. Length ... at sexual maturity and length at first spawning in C. gunnari is one year later on the southerly grounds ...
Meeting Document : WG-FSA-99/16 : Author(s): K.-H. Kock (Germany), C. Jones (USA) and S. Wilhelms (Germany)
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Status of krill target strength
in single-animal measurements, namely thresholding. Theoretical estimates for the target strength ... of target strength on both animal size and transmit frequency, notwithstanding admitted shortcomings. Some ... recent single-animal measurements of target strength for live euphausiids and euphausiid-re1ated ... in single-animal measurements, namely thresholding. Theoretical estimates for the target strength ...
Meeting Document : WG-KRILL-92/11 : Author(s): K.G. Foote (Norway), D. Chu and T.K. Stanton (USA)
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Continuation of the research program on study of life cycle, species compositions, biology and resource potential of craboids (Anomura, Decapoda) in the Pacific Ocean Antarctic Area from 2019/20 to 2020/21 by Russian Federation
) in the Pacific Ocean Antarctic Area from 2019/20 to 2020/21 by Russian Federation Microsoft Word File: sam-2019 ... and resource potential of craboids (Anomura, Decapoda) in the Pacific Ocean Antarctic Area from 2019/20 to 2020 ...
Meeting Document : WG-SAM-2019/18 : Author(s): Delegation of the Russian Federation
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A summary of the commercial fishery for mackerel icefish Champsocephalus gunnari in Subarea 48.3 during the 1997/98 season
previously been shown to be ages two and three. The catch of species other than C. gunnari amounted to only ... to be ages two and three. The catch of species other than C. gunnari amounted to only 0.21 tonnes. The vessel ... Abstract: During the 1 997198 season, one vessel, Chilean registered stern trawler Betanzos ... During the 1 997198 season, one vessel, Chilean registered stern trawler Betanzos, fished ...
Meeting Document : WG-FSA-98/53 : Author(s): G. Parkes, A. King and C. Jones (United Kingdom)
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TARGET STRENGTH STUDIES ON ANTARCTIC SILVERFISH (PLEURAGRAMMA ANTARCTICUM) IN THE ROSS SEA
hauls between Lat. 71°-73° S and Long. 170°-175° E) and of Continental Shelf (one haul around Lat 75 ... m from the transducers. The TS was estimated both for only one fish and for all the fish together of each ... ;-73° S and Long. 170°-175° E) and of Continental Shelf (one haul around Lat 75° ... m from the transducers. The TS was estimated both for only one fish and for all the fish together of each ...
Meeting Document : SG-ASAM-09/10 : Author(s): M. Azzali, I. Leonori, I. Biagiotti, A. De Felice, M. Angiolillo, M. Bottaro and M. Vacchi (Italy)
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Evidence to support the annual formation of growth zones in otoliths of Antarctic toothfish (Dissostichus mawsoni)
) have been aged assuming that one translucent zone is formed annually in the otoliths of this species ... that the modes represented year classes and that one translucent zone is formed annually in otoliths of juvenile ... D. mawsoni. Mean fish lengths at ages 0.5, 1.5, 2.5, and 3.5 years were estimated to be 14, 28, 37, and 46 cm ... represented year classes and that one translucent zone is formed annually in otoliths of juvenile D. mawsoni ...
Meeting Document : WG-FSA-02/33 : Author(s): P.L. Horn, C.P. Sutton (New Zealand) and A.L. DeVries (USA)
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Continuation of multi-Member research on the Dissostichus mawsoni exploratory fishery in East Antarctica (Divisions 58.4.1 and 58.4.2) from 2018/19 to 2021/22
in the example below (marked as track changes in this document). One option would be to evaluate the impact ... in this document). One option would be to evaluate the impact of survey design on estimates of toothfish biomass ... years. Compared to last year (WG-FSA-18/59), this research plan has been updated with 2019/20 operating ... . 2017, Eléaume et al. 2018). Here, we update the research plan for 2018/19 to 2021/22 (WG-FSA-18/59 ...
Meeting Document : WG-FSA-2019/44 : Author(s): Delegations of Australia, France, Japan, Republic of Korea and Spain
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Annual variation in the timing of reproduction in Antarctic fur seals (Arctocephalus gazella) at Bird Island, South Georgia
away from the area of reduced food availability earlier than females and because they have a more ... of 1983. Males Were not affected in 1984 because they could move away from the area of reduced food ... , which is less synchronous within years than female arrival, was significantly later in 1987 than in any ... other year. Female arrival, estimated by pup birth date where necessary, was highly synchronous ...
Meeting Document : WG-CEMP-90/39 : Author(s): C.D. Duck (United Kingdom)
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Effect of orientation on broadband acoustic scattering of Antarctic krill Euphausia superba: implications for inverting zooplankton spectral acoustic signatures for angle of orientation
and video footage from several Antarctic krill were carried out to determine the effect of animal ... Classification (CMVC) approach, using generic and animal-specific theoretical and empirical model spaces ... . The animal-specific empirical model space was best able to invert for angle of orientation. The CMVC ... footage from several Antarctic krill were carried out to determine the effect of animal orientation ...
Meeting Document : WG-EMM-99/41 : Author(s): L.V. Martin Traykovski (USA), R.L. O’Driscoll (New Zealand) and D.E. McGehee (USA)