Search results
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Dense populations of the Antarctic scallop (Adamussium colbecki) in Terra Nova Bay (Subarea 88.1J): potential VMEs adjacent to the Terra Nova Bay ASPA (No. 161)
to the establishment of an ASPA (N° 161). The Antarctic scallop, Adamussium colbecki (Smith, 1902), is one of the most ... of an ASPA (N° 161). The Antarctic scallop, Adamussium colbecki (Smith, 1902), is one of the most ...
Meeting Document : WG-EMM-12/23 : Author(s): M. Chiantore and M. Vacchi (Italy)
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Data on reproduction biology of Dissostichus mawsoni from the Ross Sea (Statistical Subarea 88.1)
individuals from various SSRU in the Ross Sea were calculated. For one specimen with maximum observed weight ... individuals from various SSRU in the Ross Sea were calculated. For one specimen with maximum observed weight ...
Meeting Document : WG-FSA-11/04 : Author(s): A.K. Zaytsev (Russia)
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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 ... One hundred and seventy three regurgitated casts of the blue-eyed shag or imperial cormorant ...
Meeting Document : WG-EMM-95/78 : Author(s): Barrera-Oro, E., Casaux, R.
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A re-analysis of the Kerguelen Shelf and Skiff Bank stocks of Champsocephalus gunnari
for the years 1981 to 1990. Cohort analysis yielded a Stock Biomass of 22 711 tonnes in 1988 for the Age ... for the Age 2 Kerguelen Shelf stock, an order of magnitude lower than that calculated from a biomass survey ... -frequency data for the years 1981 to 1990. Cohort analysis yielded a Stock Biomass of 22 711 tonnes in 1988 ...
Meeting Document : WG-FSA-90/17 : Author(s): G. Duhamel (France) and D.J. Agnew (Secretariat)
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Alternative assessment methods for toothfish at South Georgia
toothfish abundance. An age structured production model (ASPM) is constructed and tuned to the CPUE series ... . An age structured production model (ASPM) is constructed and tuned to the CPUE series. The fit ... Abstract: We examine two alternatives to the survey recruitment/GY method for estimating ... to estimate population size. We use two equations, the Jolly-Seber unbiased method and a simple M- and tagging ...
Meeting Document : WG-FSA-SAM-04/17 : Author(s): Kirkwood, G., Payne, A., Agnew, D.
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Marine pollutants and fishing gear associated with seabirds at sub Antarctic Marion Island, 1996–1998: trends in relation to longline fishing activity
Albatross chicks, one Whitechinned Petrel chick and a Southern Giant Petrel adult) were found with ingested ... Albatross chicks, one Whitechinned Petrel chick and a Southern Giant Petrel adult) were found with ingested ... toothfish in blastfreezers and 23 toothfish hooks were found. All the rope nooses, and 19 of the-books were ... found during the second year. This increase in fishing gear from 1996/97 to 1997/98 is interesting ...
Meeting Document : CCAMLR-XVII/BG/26 : Author(s): Delegation of South Africa
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Fitting a von Bertalanffy growth model to length-at-age data accounting for length-dependent fishing selectivity and length-stratified sub-sampling of length frequency samples
to both age and measure for length there are two potential response-biased sampling processes when length ... is the response and age is the predictor variable. These sample processes are (i) the actual fishing process ... involving a particular gear, and (ii) the method of on-deck sub-sampling fish for ageing from the random ... -average length given age is assumed to follow the von Bertalanffy growth relationship this work extends ...
Meeting Document : WG-FSA-SAM-05/13 : Author(s): S.G. Candy (Australia)
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The integrated Antarctic expedition of the YugNIRO in the season of 1989–1990: main results of the ichthyological studies
;6230" (Storegg Bank), where some 30 thousand tons of fish concentrated over an area of some 50 ... ), where some 30 thousand tons of fish concentrated over an area of some 50 square miles. Census surveys ...
Meeting Document : WG-FSA-90/39 : Author(s): A.K. Zaitsev, V.G. Prutko and V.N. Yakovlev (YugNIRO, USSR)
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A comparison of gear selectivity among three fishing gears for Antarctic krill with notes on the demographic patterns and productivity of Antarctic krill during summer 2014
), and the size was shifted to larger animals. These differences suggest that tradeoffs between gear size ... in summer 2014 were about 42 mm in length (3yrs old), and few small (<25mm) krill (1 year old) were ... ), and the size was shifted to larger animals. These differences suggest that tradeoffs between gear size ... in summer 2014 were about 42 mm in length (3yrs old), and few small (<25mm) krill (1 year old) were ...
Meeting Document : WG-EMM-14/37 : Author(s): C. Reiss (USA) and M. Espino Sanchez (Peru)
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DEFINING TAG RATES AND TACS TO OBTAIN SUITABLY PRECISE ABUNDANCE ESTIMATES FOR NEW AND EXPLORATORY FISHERIES IN THE CCAMLR CONVENTION AREA
of variation of 30% for the Patagonian toothfish stock in sub-area 48.4. Author(s): R.M. Hillary (UK) Title ... of variation of 30% for the Patagonian toothfish stock in sub-area 48.4. ...
Meeting Document : WG-SAM-08/06 : Author(s): R.M. Hillary (UK)