Résultats de la recherche
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The choice of procedure for deciding when to close fisheries regulated by CCAMLR: a simulation model
simulation model Abstract / Description: The methods, described in CCAMLR Conservation Measures, used for ... implement because of the variation in catch rates shown by the fisheries. Non-fluctuating random and ... decisions is investigated under a variety of circumstances. The model described in the existing conservation ... reporting periods are small (five days) and the reporting delay is minimal. It is recommended that in future ... latter year, a second method was developed (Model 2 in this paper) that resulted in catches being 4.3 ... (TOTCAT1.GT.REMAIN) GOTO 30 TOTCAT2=TOTCAT1 95 20 CONTINUE IENDDAY=-l GO TO 40 C find proportion ... , described in CCAMLR Conservation Measures, used for deciding the closure date for fisheries monitored by ... the Secretariat of CCAMLR, have been difficult to implement because of the variation in catch rates ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 81–97 : Auteur(s): Agnew, D.J.
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Homogeneity of Adélie penguins as krill samplers
penguins in the length of krill eaten, using data from Esperanza Bay. The variance component-0.26 was not ... variance component due to differences between individual Adelie penguins in the length of kriU eaten ... important factor in assimilation rates and energetic requirements of these birds. The analysis of length ... kriU occur in swarms and are not randomly distributed. This patchiness detennines that, for ... statistical purposes, individual specimens in a given sample cannot be considered independent because their ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 253–257 : Auteur(s): Marschoff, E. and B. Gonzalez
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Brief report of the joint Soviet-Australian expedition of the USSR FRV Professor Mesyatsev to the Australian fishing zone around the territory of Heard and McDonald Islands, May-August, 1987
austral winter. Stability of the aggregation is discussed in relation to the environmental conditions. The ... Champsocephalus gunnari a cyclonic whirl was detected. The whirl was 25-30 miles in diameter and incorporated 2 ... in relation to the environmental conditions. The unique character of Heard's population of C. ~ari ... outcome of the investigations in the Australian Fishing Zone around Heard and McDonald Islands; its ... purpose is to present concisely the results and a preliminary analysis of these results in order to ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 75-103 : Auteur(s): Gherasimchook, V.V., V.N. Brodin, A.V. Kljausov, I.B. Russelo, P.V. Tishkov and N.B. Zaremba
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Methodology of data collection on net selectivity and accidental mortality of fish passing through the mesh of the codend
3 13 23 4 14 24 5 15 25 6 16 26 7 17 27 8 18 28 9 19 29 10 20 30 - 114 - ___ .n ... rrpHlliHBaWT CHapY~H K Bepx- .HeH rrnaCTH UHnHHgpH~ecKOH ~aCTH MelliKa. KpOMKY h 1 , ~~HHa KOTOPOH Ha 30 ... KOTOpofi Ha 30% oonhIDe rrepe~Hefi KPOMKH BepxHefi rrnacTH, rrpHIDHBaIOT C paBHO- MepHO~ yca~Kofi. 3aTeM ... ,IJ;HaMeTpOM 8-10 MM, H K HeMY 'qepes Ka~hle 25-30 CM nO,IJ;BHShlBaIDT neTJIH HS ~aJIa ,IJ;HaMeTpOM ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 99-121 : Auteur(s): VNIRO (USSR)
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Indices of prey availability near the Seal Island CEMP site: 1990 to 1996
/ Description: Four indices of prey availability are calculated from surveys conducted in the vicinity of the ... surveys each year were subsampled to include the foraging range of predators breeding at Seal Island ... relative biomass of juvenile krill near Seal Island during the first survey of each year as compared to the ... biomass of post-spawning adults near Seal Island during the second survey of each year. It is hoped that ... (Figures 3 and 4). Two surveys were selected for each year, details of which are listed in Table 1. For ... survey in each year except 1992 and 1993. Krill caught near Seal Island during the first surveys are ... usually dominated by l-year-old juveniles, whereas krill caught in this area during the second surveys ... are listed in Table 2. Between the years 1992 and 1996 there appears to be relatively low ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 37–45 : Auteur(s): Hewitt, R.P., G. Watters and D.A. Demer
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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
). These seals are responsible for the loss of 0.75 % of toothfish during the longline sets in which ... 1995/96 season, from 185 observed longline sets in which fur seals were present during 30 longline ... 0.75 % of toothfish during the longline sets in which interaction occurred, as against 2.2 % of fish ... ). Such interactions can result in damage to fishing gear, a reduction of catch rates and an increase in ... fish caught on them are often large. Although interactions between longlines and seabirds in the ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 171–174 : Auteur(s): Capdeville, D
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Areas of seabed within the 500 m isobath around Elephant Island (Subarea 48.1)
/78 to 1992/93. The results are presented in table format. File: 10kock-harm.pdf ... /78 to 1992/93. The results are presented in table format. Resume Les aires de fond marin ont ete ... selected Program in the early 1980s. Refinements to d e p t h r anges a r e crucial for t h e des ... Germany to the area from 1977/78 tc~ 1983/84 (Kock, 1986). In 1992 the CCAMLR: Working Group on Fish ... Stock Assessment (WG-FSA) noted that current estimates in the Antarctic Peninsula region may not be ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 131–135 : Auteur(s): Kock, K.-H. and U. Harm
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Southern elephant seals and CCAMLR
southern elephant seal (Mirounga leonina) in the Kerguelen province of the Southern Ocean. Sub-populations ... possible causes of the elephant seal’s decline in the region. Such explanations assume that a communal ... pelagic phase is extremely important. Recent South African research in this field has been initiated and ... it is hoped that this will help to elucidate the reasons for the observed decline of M. leonina in ... Rec. 20: 62 - 65. WILKINSON, I.S. & M.N. BESTER. (in press) Is onshore human activity a factor in ... seal (Mirounga leonina) in the Kerguelen province of the Southern Ocean. Sub-populations of this ... causes of the elephant seal's decline in the region. Such explanations assume that a communal feeding ... its pelagic phase is extremely important. Recent South African research in this field has been ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 465-473 : Auteur(s): Bester, M.N. and D.G.M. Miller
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Determination of Antarctic krill acoustic back-scattering cross-section
-section of back-scattering of krill. The target strength can be determined in situ by measuring the echo ... (Norway) was used in the following mode of operation transducer diameter 20 cm, power - 1/1, bandwidth ... -section of back-scattering of krill. The target strength can be determined in situ by measuring the echo ... inverse. Avec l'enregistrement resolvant du krill, la force de la cible peut etre determinee in situ par ... , oTpa~eHHoro KpHneM. Cuna ~enu Mo~eT OhlTh onpeAeneHa in situ nYTeM U3MepeHUH HHTeHCHBHOCTU CHrHana ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 141-152 : Auteur(s): Protaschuk, V.A. and T.A. Lukashova
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Research currently being undertaken by the Republic of South Africa on "dependent and related species" within the Antarctic marine ecosystem
seabirds) and their prey (especially krill and squid) in the Antarctic, and closely related marine ... their prey (especially krill and squid) in the Antarctic, and closely related lll8rine ecosystelllS ... research in the ConYent ion arl'ia and on the ~)ub-antarct I c isl an,js. These al I fa.ti tJnder the ... the Hammal Re~,e,nch Institut(? of the Universit~ of' Pretoria SP@nd UF' to three mont.h~; each Year ... in the Antarctic, and from three to e i Sh teen nmnths at ;, ti me on Gous:h Island in the South ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 59-77 : Auteur(s): South Africa