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Developing conceptual models of the Antarctic marine ecosystem: squid
describes properties for three groups of squid that may be included in future ecosystem models of the ... Monitoring and Management (WG-EMM). While recognised to be an important component of this ecosystem ... , particularly with regard to food-web structure and function, squid have rarely been included in previous ... and vertical migrations). Furthermore, this paper reiterates findings from previous studies that squid ...
Meeting Document : WG-EMM-04/26 : Autor(es): K. Phillips (Australia)
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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
different from that observed during the 1993/94 JARPA. In the previous research, high density was observed ... the ice edge in the research area. It is supposed that concentration of pregnant female in the Prydz ... second survey. It seems that the most of female minke whale in the Prydz bay tend to migrate through in ... from the blue and right whales, respectively. Author(s): Yuzu, S., Ishikawa, H., Mogoe, T., Kawasaki ...
Meeting Document : WG-EMM-96/48 : Autor(es): 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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Research plan for the exploratory fisheries for Dissostichus spp. in Subarea 48.6 in 2014/15
blocks, it seems that the current arrangement to cope with bad sea ice condition is insufficient and that ... that using the CPUE method for Dissostichus mawsoni in block 486_2. However, the estimates using the ... Petersen and CPUE methods were relatively consistent with the observed numbers for D. mawsoni in the block ... least 3 years with the same sample size as decided at the last CCAMLR meeting in the current research ...
Meeting Document : WG-SAM-14/01 : Autor(es): Delegation of Japan
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Australian research on Antarctic bird and seal diets
cantered the CCAMLR Ecosystem Monitoring Programme039;s priority study area, Euphausia superba forms a ... continuing studies will be useful to assess the natural variability of the system. Around the sub-Antarctic ... of prey populations is thus very limited, although continuing studies will be useful to assess the ... ) Time: August to October 1984 Prehatch Posthatch (1987/88) 25 52 4 3 41 450 55 o 25 o ... Source of material: Faeces collected monthly from sea ice - 51 in August, 61 in September and 39 in ... 72 and 183 mm, mean 129.5±23.8 mm. Location: Amanda Bay (69°19'S: 76°46'E). Time: 14 August, 15 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 231-249 : Autor(es): Williams, R.
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Research standards for exploratory fisheries
data and that detailed descriptions of CPUE data be de-emphasized. Focusing effort on subareas ... recommendations are made for optimizing this potential. The types of data that have led to successful assessments ... in the northern South Sandwich Islands are used as examples of what can be achieved using exploratory ... of otoliths; and 3) recording of length, sex and gonad stage. It is suggested that research standards ...
Meeting Document : WG-SAM-11/15 Rev. 1 : Autor(es): D. Kinzey (USA)
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THE USE OF PATENT DATABASES TO DETECT TRENDS IN THE KRILL FISHERY
number and type of patents related to krill that are lodged annually. This information matches well with ... database be taken over by the Secretariat so that they can maintain an annual register of krill related ... the catch and notification information, showing similar trends. It is suggested that the patent ... patents which will be of use for indicating future trends in the krill fishery. Author(s): Delegation of ...
Meeting Document : SC-CAMLR-XXVIII/BG/15 : Autor(es): Delegation of Australia
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Developing a penguin tracking database to help determine their most important foraging areas
Global Procellariiform Tracking Database) will allow spatial analyses to be undertaken that will help ... Plus Fund) to build an integrated database that would facilitate the analysis of penguin tracking data ... . The database will have a web-based user interface that will allow data holders to submit data and ... attach a range of access levels; access may be granted only to the data holder, to a wider group, or to a ...
Meeting Document : WG-EMM-13/18 : Autor(es): M. Hindell (SCAR), B. Lascelles (BirdLife) and P. Trathan (United Kingdom)
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CONDITIONING SMOM USING THE AGREED CALENDAR OF OBSERVED CHANGES IN PREDATOR AND KRILL ABUNDANCE: A FURTHER STEP IN THE DEVELOPMENT OF A MANAGEMENT PROCEDURE FOR KRILL FISHERIES IN AREA 48
model of krill dynamics. Additional versions of SMOM that may need to be conditioned are discussed. In ... , one with the time series of krill abundance fixed on input, and the other incorporating an explicit ... suggest that penguins respond sooner than other predators to decreasing levels of krill abundance. Given ... data on fish catches, the model estimates the starting (1970) fish abundance level, with results ...
Meeting Document : WG-EMM-08/44 : Autor(es): É.E. Plagányi and D.S. Butterworth (South Africa)
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Upward adjustments to local catch limits for the krill fishery in Subarea 48.1
during the fishing season, and 3) a decision rule that can be used to increase local catch limits when ... demonstrate that a simple index based on normalized CEMP parameters can be used to categorize predator ... values, agrees generally with expert opinion, and suggests that indices of foraging trip duration, fledge ... Abstract: Here we compile three vignettes that, together, provide the basis for making upward ...
Meeting Document : WG-EMM-16/47 : Autor(es): Antarctic Ecosystem Research Division, Southwest Fisheries Science Center and NOAA Fisheries
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A generalised model for evaluating yield and the long-term status of fish stocks under conditions of uncertainty
the spawning stock biomass in accordance with CCAMLR criteria. These specify a bound on the ... probability that the spawning biomass will become depleted to below some specified level over a specified ... , natural mortality, spawning and fishing on estimates of yield and yield per recruit. It can also be used ... . The procedure numerically integrates a set of differential equations which incorporate functions that ... , CCAMLR decided that the catch rate from any stock was no t t o exceed F,., (CCAMLR, 1987). Th i s ... leve l of f i sh ing w a s t h o u g h t t o a l low maximum fishing effort while ensuring that ... la t i on (a difficult task in any fishery). However, it is based on the assumption that the ... population parameters a r e relatively invariant over t ime a n d can be measured reasonably ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 31–54 : Autor(es): Constable, A. and W.K. de la Mare