Search results
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Use of the Leslie stock depletion model for the assessment of local abundance of Patagonian toothfish (Dissostichus eleginoides)
BbInOJIHeHHbIX PaHee aHaJIM3oB C UeJIblO ll3YYeHHSI B 0 3 M O X H O C T k I MoAeJIllpoBaHllX CHU3HBUI l lXCR ... P ~ I ~ ~ K O B , A3MeHYAByKl YJlOBACTOCTb M CnAUlKOM H U ~ K H ~ ~ BbInOB, K O T O P ~ I ~ ~ He MOr 661 BbI3BaTb ACTO~eHAe ... as a proxy for numbers of fish. For instance, it must be assumed that there was no change in the mean ... , or any means of further testing at this stage, these assumptions were all considered to be reasonable ... in localised areas for periods of at least three days. The results suggest that there is greater ... potential for application of the model in some areas than in others, but in general there is no sufficiently ... consistent signal in the data for the depletion model to be used to estimate local abundance. A number of ... Paper Title: Use of the Leslie stock depletion model for the assessment of local abundance of ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 55–77 : Author(s): Parkes, G., C.A. Moreno, G. Pilling and Z. Young
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Investigations of required sampling regimes for environmental parameters
and pressure. Sampling daily maxima and minima would be sufficient to detect a 2 to 3°C change in monthly mean ... continuously or as daily maxima and minima would be sufficient to detect a 10 to 20% change in monthly mean log ... mean temperature over two years with a significance α of 0.05 and a power P of 0.8. Sampling wind ... in monthly mean log-transformed wind speed α of 0.05 and P of 0.9. ... be sufficient to detect a 2 to 3°C change in monthly mean temperature over two years with a significance ... be sufficient to detect a 10 to 20% change in monthly mean log-transformed wind speed a of 0.05 and P of 0.9 ... significacion ex de 0.05 y una potencia P de 0.9. 1. IN1RODUCflON Monitoring of selected environmental ... minimised. Type IT errors are especially important in studies affecting conservation issues, where ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 561–573 : Author(s): Agnew, D.J.
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Methodology of data collection on net selectivity and accidental mortality of fish passing through the mesh of the codend
6onDIDoro OCHOBaHHR ~yrr HMeeT PYKORTKY, co CTOPOHbI Ma- noro - OTBepcTHe ~HaMeTpOM 10 MM ~R rrO~BeIDHBaHHR ... : 1 KOHTeHHep, 2 KYTOK Tpana, 3 CTH~HOH TPOC. 4 KyxTbIn b. 5 - tjlHKCHP)'KX.l.\HH KOHe~. 6 U 7 - coeAUHUTen ... passing through the mesh of the codend Abstract / Description: This paper contains advice on determining ... specifications of the liner are described. It also describes an experiment to determine the accidental mortality ... of fish passing through the trawl codend. It contains proposals on standardising data collection and ... Paper Title: Methodology of data collection on net selectivity and accidental mortality of fish ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 99-121 : Author(s): VNIRO (USSR)
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A risk-management framework for avoiding significant adverse impacts of bottom fishing gear on Vulnerable Marine Ecosystems
fishing gear on Vulnerable Marine Ecosystems Abstract / Description: CCAMLR adopted a new conservation ... CCAMLR adopted a new conservation measure in 2007 to ensure that significant adverse impacts ... @aad.gov.au Abstract CCAMLR adopted a new conservation measure in 2007 to ensure that significant adverse ... . Résumé La CCAMLR a adopté une nouvelle mesure de conservation en 2007 pour veiller à éviter les impacts ... , 2007). CCAMLR, as a conservation organisation with the attributes of an RFMO, has implemented meas ... trawling gear was restricted to areas where conservation measures governing bot- tom trawling activities ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 177–193 : Author(s): Martin-Smith, K
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Joinville–D’Urville Islands (Subarea 48.1) – a former fishing ground for the spiny icefish (Chaenodraco wilsoni), at the tip of the Antarctic Peninsula – revisited
cm in length. In February and March, 86 and 89% of the fi sh caught were 24–28 cm in length. Mean ... 9 an d 1 98 5 w er e in co m pl et e. Kock et al. 6 mean lengths of 28 cm in January and 28.6 ... cm in February. Length range was 21–34 cm (90–280 g). Mean length in 1980/81 was slightly less ... Polish catches. Mean lengths and mean weights of C. wilsoni caught were 28–30 cm and 160–200 g. Length ... : The former fishing ground off Joinville–D’Urville Islands was revisited in the course of the Antarctic ... Expedition ANT XIX/3 by RV Polarstern in February 2002. Five hauls were conducted north of the two islands at ... (Euphausia superba) formed a major element in the diet of icefish. File: 01kock-etal-joinville.pdf ... icefish (Chaenodraco wilsoni), at the tip of the Antarctic Peninsula – revisited Abstract / Description ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 1–20 : Author(s): Kock, K.-H., L. Pshenichnov, C.D. Jones, K. Shust, K.E. Skora and Zh.A. Frolkina
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Interaction of marine mammals with the longline fishery around the Kerguelen Islands (Division 58.5.1) during the 1995/96 cruise
longline sets in which fur seals were present during 30 longline hauls. Statistics are mean values ... ). These seals are responsible for the loss of 0.75 % of toothfish during the longline sets in which ... Paper Title: Interaction of marine mammals with the longline fishery around the Kerguelen Islands ... longliners fishing for Patagonian toothfish (Dissostichus eleginoides) to the west of the Kerguelen Islands ... interaction occurred, as against 2.2 % of fish lost from the hooks during line hauling. File ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 171–174 : Author(s): Capdeville, D
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Effects of weather and sea-ice on the reproductive performance of the Adélie penguin at Edmonson Point, Ross Sea
significantly longer than in 1999 and 2001, which in turn delayed the mean departure date of males on the second ... with 0.3 chicks crèched per nest with eggs. The mean crèching date was also delayed compared to dates ... in 1999 and 2001, which in turn delayed the mean departure date of males on the second incubation trip ... chicks crèched per nest with eggs. The mean crèching date was also delayed compared ... than in 1999 and 2001, which in turn delayed the mean departure date of males on the second incubation ... with 0.3 chicks crèched per nest with eggs. The mean crèching date was also delayed compared to dates ... December 2002 and coincided with the beginning of hatching. During this period the mean windchill ... seasons the mean departure date of females for the fi rst incubation shift (CEMP Method A2) ranged ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 99–109 : Author(s): Olmastroni, S., F. Pezzo, V. Volpi and S. Focardi
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A balanced model of the food web of the Ross Sea, Antarctica
–2000). The focus of the model is on the role of Antarctic toothfish in the food web which means ... needed to obtain balance were reasonably small for most groups and most parameters. The mean absolute ... web which means that the model has greater taxonomic resolution towards the top of the food web than ... parameters. The mean absolute change for all key parameters (biomass, production rate, growth efficiency ... –2000). The focus of the model is on the role of Antarctic toothfish in the food web which means ... of parameters needed to obtain balance were reasonably small for most groups and most parameters. The mean ... in knowledge on abundances, energetics and predator–prey rela- tionships between organisms mean that model ... or the initial estimate of that parameter. Updating scale values in this way means that logarithmically equal ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 1–31 : Author(s): Pinkerton, M.H., J.M. Bradford-Grieve and S.M. Hanchet
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Analysis and modelling of the Soviet Southern Ocean krill fleet, II: Estimating the number of concentrations and analytical justification for search data
:>KHOrO OKeaHa. IIpH BbInOJIHeHHH npo6HbIX pac4eToB 6bIJIH HCnOJIb30BaHbI ,llaHHble, co6paHHble ... fisheries data. At the meeting of the Scientific Committee for the Conservation of Antarctic Marine ... for another concentration. Here "true search" means that the search path is not highly directed ... distributed over (5.6 nm, 11.2 nm). This means that the maximum diameter of a concentration is about 22 nm ... of concentrations of krill (Butterworth, 1988; Mangel, 1988) in a given region of the Southern Ocean ... make accurate inferences. In the appendix, a method for correcting for the bias in the detection of ... Paper Title: Analysis and modelling of the Soviet Southern Ocean krill fleet, II: Estimating the ... number of concentrations and analytical justification for search data Abstract / Description: In this ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 283–322 : Author(s): Mangel, M.
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New data on spawning, hatching and growth of Champsocephalus gunnari on the shelf of the Kerguelen Islands
. n p o r p a ~ ~ a HxTMonnaHKToHHbrx H AOHHbIX TpanOBbIX CTXMOK, BbInO~HIIBUIMXCII KaXnbIe TpM MeCRUa B 0 B H ~ T ~ ~ H H ~ B YaCTM ... has recently been investigated by means of fishery-independent programs (Koubbi et al., 1991; Koubbi ... analysis was carried out on a sub-sample. A mean abundance index was calculated for each cruise using ... and their abundance index estimated using the mean number of fish reported per swept cubic metre. Regular samples ... . Only once have spawners been observed in large numbers on the inner shelf: during the winter of 1991/92 ... Paper Title: New data on spawning, hatching and growth of Champsocephalus gunnari on the shelf of ... part of the Kerguelen shelf during the 1989/90 to 1993/94 period provide new information on the stock ... the inner shelf has enabled a new cohort of fish to be identified each year. However, annual ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 21–34 : Author(s): Duhamel, G