Search results
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A preliminary investigation of the possible effects of rhizocephalan parasitism on the management of the crab fishery around South Georgia
sex do not form part of the spawning stock, and that post- parasitised crabs do not rejoin ... crabs are sterile and do not form part of the spawning stock. Parasitised crabs suffer a slightly ... ). The main reason is that infected animals do not form part of the spawning stock. The point is that given ... harvesting. 0 0 10 20 30 40 50 60 70 O h Prevalence I resilient S-R (r=10) V sensitive S-R (r=0.01 ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 175–192 : Author(s): Basson, M
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Selectivity of standard Polish commercial trawl codends on Antarctic fishing grounds
~HT B HCnOJIb30BaHHH npH KOHCTpYHpoBaHHH KYTKa TeTHBhI C nOCTO.SlHHO OTKphITbIMH .H1:feHMH ... of the mesh with a force of 4 kg. The size of mesh size was calculated as an arithmetic mean from 30 random ... codend had to be replaced by another. Therefore there were two series of codend tests with the same ... George I. Number of hauls 8 6 4 5 5 2 Trawling time (h) total 2035 18 00 1000 1450 10 30 3 50 per ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 107-142 : Author(s): Zaucha, J.
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An assessment of CCAMLR measures employed to mitigate seabird mortality in longlining operations for Dissostichus eleginoides around South Georgia
aboard the BF Cisne Verde. This consisted of a retaining line, and a mother line made up of a series ... was divided into lengths of 30 coils using sequences of three marked connecting lines. At the start ... of hauling, four 30-coil lengths were randomly selected for sampling using random number tables; two ... to 15 of the 30 nights planned for the experiment. The remaining operations were allocated ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 217–230 : Author(s): Ashford, J.R. and J.P. Croxall
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Food and feeding of the mackerel icefish (Champsocephalus gunnari) around South Georgia in January/February 1991
% of the stomachs, it formed the sole prey item in only 9.9% of the stomachs and was the predominant food item ... stations myctophids formed a significant proportion of the diet (Figure 1 ). 3.2 Feeding Intensity ... form their staple food. A comparison with earlier studies revealed a considerable variation ... . Expedition 1977/78 der Bundesrepublik Deutschland. Arch. Fisch. Wiss. 30 (Beih.l): 40-61. 19 1:5 41 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 15–23 : Author(s): Kock, K.-H., I. Everson, S. Campbell, G. Parkes, Z. Cielniaszek and J. Szlakowski
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A compilation of parameters for ecosystem dynamics models of the Scotia Sea – Antarctic Peninsula region
in the form of trans- port rates between SSMUs. Tables 14 and 15 provide many of the input parameters ... , and the form of functional relationships (describing the functional and numerical response of preda- tors ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 1–25 : Author(s): Hill, S.L., K. Reid, S.E. Thorpe, J. Hinke and G.M. Watters
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Distribution of the Soviet krill fishing fleet in the South Orkneys area (Subarea 48.2) during 1989/90
aggregations did not form outside the main fishing area. During the November period the commercial fleet fished ... , temporally and spatially sustained fishable krill aggregations did not form outside the main fishing area ... aggregations did not form outside the main fishing area. During the November period the commercial fleet ... . I1 ne s'est pas form6 de concentrations durables et exploitables de krill en dehors du principal ... c 1 ~ 0 x 6 ~ ~ 1989 r . no 12 HIOHX l990 r.). B 3TOM Ce30He CyAa p a 6 o ~ a n ~ Ha HpOMbICnOBOM YYaCTKe y CeBepO ... November 11-15 November 16-20 November 21-25 November 26-30 November Number of Vessels ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 51–62 : Author(s): Sushin, V.A
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Evaluating the impact of multi-year research catch limits on overfished toothfish populations
-down phase Catch during research phase 5 11 1 Jan–30 Dec 0–945 tonnes yr–1 (see Table 2) 0–90 ... were varied to reduce SSB to 10%, 15%, 20%, 25%, 30% and 35% of SSB0 at the end of the 5-year period ... 3 with a research catch of 30 tonnes per year for 5 years) to assumptions about selectivity (scenarios ... –1) Parameter set 1 945 10% 0, 15, 30, 45, 60, 75, 90 As per Table 1 2 893 15% " " 3 841 20% " " 4 782 ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 47–55 : Author(s): Welsford, D.C
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Seabird interactions with trawl and longline fisheries for Dissostichus eleginoides and Champsocephalus gunnari
still on the wing. Frequently, small melees of birds fighting over food scraps would form ... to 30 Dec 1994 MY^ Ostrovskogo Kerguelen Summer Castano C. gunnari 204 1 0 0 6 Jan ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 93–99 : Author(s): Williams, R. and D. Capdeville
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Factors affecting the incidental mortality of seabirds in the Dissostichus eleginoides fishery in the southwest Atlantic (Subarea 48.3, 1995 season)
, ~ 0 6 p a ~ ~ o f i MeXAyHapOAHblMM HayYHblMM H ~ ~ J I I Q A Z ~ T ~ J ~ R M I ? C KaXAOrO CynHa. TaKllM 06pa30~ CTaJIO ... , ~ a G n m n a u u ~ ~ ~ c ~ B xone 3~01-o ce30~a. 0 6 w a ~ 3aperMCTpkipOBaHHaR CMepTHOCTb COCTaBMna 1 428 HTkiq, PI3 KOTOPblX ... ~ O ~ O Y H Y H ) CMePTHOCTb IIepeMeHHbIX IIOKa3bIBaeT, YTO PaCCTORHMe OT CYIllki, @a3a JIyHbI, MCnOJIb30BaHMe JIMaefi ... recorded in CCAMLR haul-by-haul data reporting forms (C2 V5) submitted by the master of each vessel ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 79–91 : Author(s): Moreno, C.A., P.S. Rubilar, E. Marschoff and L. Benzaquen
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Age and growth of spiny icefish (Chaenodraco wilsoni Regan, 1914) off Joinville–D’Urville Islands (Antarctic Peninsula)
., 2007). As a rule, the net was generally towed at about 3–3.5 knots for 30 min on the bot- tom during ... pair of opaque and subsequent translucent zones was considered to form an annulus. The count path ... of the count path were considered as false checks and not counted. Commonly, annuli were formed by wide ... and 30 cm TL (Figure 3b). Pooled samples consisted of 120 females from 19–34 cm TL and 40–332 g and 98 ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 115–130 : Author(s): La Mesa, M., A. De Felice, C.D. Jones, K.-H. Kock