Résultats de la recherche
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On the power to detect changes using the standard methods for monitoring parameters of predatory species
monitoring design is such that neither analysis mentioned above is strictly appropriate. Because of the ... , from the sources mentioned above, to evaluate the variability in this parameter. Croxall et al. (1988 ... the problems mentioned above is that there is no simple or general formula analogous to equation (1 ... the study, the mean number of chicks raised to creche age per pair was 1.26, with a standard ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 377–397 : Auteur(s): Boveng, P. and J.L. Bengtson
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Optimization of survey sampling design in the detection of interannual variability and prey size selectivity in the diet of penguins
the assumptions of balanced design and the variance component of ‘penguin-by-date’ interaction equal ... . Restrictions have been fixed in accordance with the recommendations of the fourth meeting of WG-CEMP: minimum ... WG-CEMP-90/9 OPTIMIZATION OF SURVEY SAMPLING DESIGN IN ... and the variance component of "penguin-by-date" interaction equal to the variance component of ... values for the variance components and their 80% confidence intervals have been extracted from Table 3 ... of Marschoff and Gonzalez (1989): Variance Expected 80% Confidence Interval Limits Component Value ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 551–559 : Auteur(s): Marschoff, E. and B. Gonzalez
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Interactions of Patagonian toothfish fisheries with killer and sperm whales in the Crozet Islands Exclusive Economic Zone: an assessment of depredation levels and insights on possible mitigation strategies
Islands 0 10 20 30 40 50 60 70 80 90 100 2003/04 2004/05 2005/06 2006/07 2007/08 Fishing ... reported difference in interaction levels between vessels; and (iv) to pro- vide advice to optimise the ... and pro- tected seabirds and marine mammals present in the vicinity of the longlines as well as ... on the vessel iden- tity, date, time, location, number of hooks set and the total weight of ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 179–195 : Auteur(s): Tixier, P., N. Gasco, G. Duhamel, M. Viviant, M. Authier and C. Guinet
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Assessment and tag program adaption methods for exploratory fisheries in the CAMLR Convention Area: an example application for Division 58.4.3a
proxy for the abundance estimate one might expect in the assessment. The aim is to pro- vide an ... dynamics model As mentioned, the Pella-Tomlinson biomass dynamics model is employed as the basis of the ... mentioned, the Lincoln-Petersen abundance esti- mator (Seber, 1982) is employed and, from a fish- eries ... the CV will scale pro- portionally with the square root of the dispersion: 1 1 2 T CV N T T . (15 ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 101–113 : Auteur(s): Hillary, R.M
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The 1991/92 fishery for Dissostichus eleginoides in Subarea 48.3
ler.gth (cm) 40 50 60 70 itl --l .r: ~ :J 0 (f) 80 90 100110120130140150160170180 Standard ... '0 250 .. .., 200 .0 E " 150 :z 100 50 0 40 50 60 70 80 90 100110120130140150160170180 ... 0 0 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 40 50 60 70 80 90 ... : a review. BIOMASS Scientific Series, No. 6. MORENO, C.A. 1991. Hook selectivity in the longline ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 31–48 : Auteur(s): Agnew, D.J. and C.A. Moreno
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A potential feedback approach to ecosystem-based management: Model Predictive Control of the Antarctic krill fishery
function which minimises the predicted deviation of multiple state variables (pro- vided by the prediction ... study therefore uses the following illustrative objectives: (i) with a probability of at least 90 ... - exploitation levels, (ii) with a probability of at least 90%, the area- specific biomasses of predators must ... should occur in concert with the development of a state estimator mentioned above. An imme- diate ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 119–137 : Auteur(s): Hill, S.L. and M. Cannon
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A preliminary investigation of the possible effects of rhizocephalan parasitism on the management of the crab fishery around South Georgia
INTRODUCTION The first fishing trip targeting crabs in Subarea 48.3, by the FV Pro Surveyor, presented in ... and interactions between the host and parasite populations. A summary review of current knowledge ... that an animal is capable of breeding successfully, whereas morphological maturity means that the ... animal is in the size range where the chela has started growing at the higher adult growth rate. Data ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 175–192 : Auteur(s): Basson, M
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A post-processing method to remove interference noise from acoustic data collected from Antarctic krill fishing vessels
–60 –40 –20 Sv (dB) 0 5 10 15 20 -100 -90 -80 ... -70 -60 -50 Ping number M VB S /d B re 1m b –50 –60 –70 –80 –90 –100 M V B S (d B ... superba) in the Southern Ocean (Greene et al., 1991). To date, only two large-scale multiship sci ... ‘erosion’ filter was applied to the thresholded data. The filtering pro- cess was done via a sliding ...
Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 17–30 : Auteur(s): Wang, X., J. Zhang and X. Zhao
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The use of patent databases to predict trends in the krill fishery
60 70 80 19 76 19 78 19 80 19 82 19 84 19 86 19 88 19 90 19 92 19 94 19 96 19 98 20 00 ... 50 60 70 80 90 19 76 19 78 19 80 19 82 19 84 19 86 19 88 19 90 19 92 19 94 19 96 19 ... 20 30 40 50 60 70 80 90 19 76 19 78 19 80 19 82 19 84 19 86 19 88 19 90 19 92 19 94 ... 10 15 20 25 30 19 76 19 78 19 80 19 82 19 84 19 86 19 88 19 90 19 92 19 94 19 96 19 ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 135–144 : Auteur(s): Foster, J., S. Nicol and S. Kawaguchi
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Factors to consider in developing management measures for krill
/ Description: A brief review of the objectives of the Convention for the Conservation of Antarctic Marine ... WG-KRILL-90/14 FACTORS TO CONSIDER IN DEVELOPING ... MANAGEMENT MEASURES FOR KRILL W.K. de la Mare>l< Abstract A brief review of the objectives of the ... year to year. The various techniques used to estimate the abundance of animal populations also give ... refinements or additions necessary to objectives. 5. Conduct a major review of progress. Select candidate ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 175–187 : Auteur(s): de la Mare, W.K.