Search results
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The gentoo penguin as a candidate species for the CCAMLR Ecosystem Monitoring Program
years at Bird Island, South Georgia and at the South Shetland Islands (both within Integrated Study ... of special relevance to the CEMP. File: 30-Croxall-and-Williams.pdf ... Based on dietary and other biological information collected over several years at Bird Island ... and other biological information collected over several years at Bird Island, South Georgia ... , Cambridge CB30ET, UK 483 Resumen Basandose en la informaci6n dietetica y bio16gica recopilada ... , unpublished data). Only in one year (1985) did the proportion of E. superba fall below 65%. During ... , these populations are likely to consume significant quantities of krill each year within the Integrated Study ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 483–488 : Author(s): Croxall, J.P. and T.D. Williams
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Standardization of fishing effort for Champsocephalus gunnari in the South Georgia area (Subarea 48.3)
different classes (countries, types of vessel, fishing gear, months and years). Multiple regression is used ... . File: 20-Gasiukov.pdf ... of vessel, fishing gear, months and years). Multiple regression is used to solve the model and the resultant ... and years). Multiple regression is used to solve the model and the resultant yearly standardized CPUE ... Champsocephalus gunnari B lIo~patioHe 48.3 6bIJI nOJIYQeH nYTeM HCnOJIb30BaHH5.I MYJIbTHnJIHKaTHBHoti MO~eJIH ... OT BeJIHQHH, HCnOJIb30BaHHbIX B CTaH~apTH3aI.-\HH MO~eJIH:. Cpe~HHti Koa$qn1l.-\HeHT H3MeHQHBOCTH ... coefficients of fishing mortality. For this purpose values of fishing effort for a number of years of fishing ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 327–336 : Author(s): Gasiukov, P.S.
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Marine mammals and demersal longline fishery interactions in Crozet and Kerguelen Exclusive Economic Zones: an assessment of depredation levels
% in the presence of killer whales, 12.1% by sperm whales, and 42.5% when both species were present together ... present together. An extensive photo-identifi cation effort, primarily focussing on killer whales, allowed ... (n = 552, range 1–20) and 4.1 ± 3.4 (n = 737, range 1–30) individuals respectively. Table 1: Number ... in the Crozet EEZ per fi shing sector and marine mammal species. 0% 10% 20% 30% 40% 50% 60% 70% 80% 90 ... % 50% 40% 30% 20% 10% 0% 11 12 13 14 ... 20 25 30 2 3 4 5 6 7 8 9 10 11 12 13 14 20 21 23 no of observation fr eq ue nc ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 67–82 : Author(s): Roche, C., C. Guinet, N. Gasco and G. Duhamel
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Information on the status of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps in the lower South Shetland Islands, derived from the 2000–2006 monitoring program at Potter Cove
period of 24 years which began in 1983, and at Harmony Cove in the summers of 2001to 2003. The decline ... has continued at Potter Cove from 2000 to 2006, extending a continuous sampling period of 24 years ... of freedom Mean square F P (a) Notothenia rossii, total catches Years 19.8835 20 0.994173 14.6162 <0.00001 ... Error 59.3803 873 0.068019 (b) Gobionotothen gibberifrons, total catches Years 9.8124 20 0.49062 ... 42.9468 <0.00001 Error 9.9731 873 0.01142 (c) Notothenia coriiceps, total catches Years 32.4684 20 ... , relative catches Years 14296.5242 20 714.826 21.3430 <0.00001 Error 28033.11 837 33.49237 Figure ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 83–87 : Author(s): Barrera-Oro, E.R. and E.R. Marschoff
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Growth and natural mortality of Patagonian rockcod (Patagonotothen guntheri shagensis) from Shag Rocks shelf
were found to be 2.5 years and 12.6 cm. File: 09-Shilbanov.pdf ... in calculations and the optimal age and length for harvesting Patagonian rockcod were found to be 2.5 years ... are most abundant. Sexual maturity is attained by fish at 11 to 13 cm length, 20 to 30 g weight and age ... to obtain the sum of years T, (Le. the number of years lived together by all specimens caught ... ). In N 7 6' 5 • 4 :5 2 3 Age, % 60 -40 20 n=1470 2. 3 Lt 5 6 Age, years Figure 2: Age composition of P.g ... and the optimal age and length for harvesting Patagonian rockcod were found to be 2.5 years and 12.6 cm. Resume ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 111–121 : Author(s): Shlibanov, V.I.
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Krill population biology during the 1991 Chilean Antarctic krill fishery
. In Area A, a unimodal size frequency distribution was found; the size range was between 30 and 55 mm TL ... specimens between 20 and 39 mm TL. Females comprised 47.1%, males 40% and juveniles 12.9%. Of the females ... . In Area A, a unimodal size frequency distribution was found; the size range was between 30 and 55 mm TL ... specimens between 20 and 39 mm TL. Females comprised 47.1%, males 40% and juveniles 12.9%. Of the females ... ' 59°51,5' 2.40 50 20 09:30 22.02.91 62°08,9' 59°56,4' 2.60 84 24 17:45 22.02.91 62°08,9' 59°54,5 ... 16:10 23.02.91 62°31,8' 61 °09,0' 2.50 45 40 23:20 23.02.91 62°30,5' 61 °21,0' 3.20 52 44 07:05 ... ' 3.00 50 62 06:30 26.02.91 62°40,6' 61°46,0' 3.20 34 63 08:05 26.02.91 62°40,9' 61°46,5' 3.40 50 74 ... ' 60°51,5' 2.50 50 28 14:40 03.03.91 62°27,6' 61 °17,6' 2.70 50 30 18:20 03.03.91 62°26,0' 61 °17,8 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 223–235 : Author(s): Mujica R., A., E. Acuña S. and A. Rivera O.
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Improving estimates of Adélie penguin breeding population size: developing factors to adjust one-off population counts for availability bias
0. 0 0. 2 0. 4 0. 6 0. 8 1. 0 0 10 20 30 40 50 60 Camera 2 16 1 Nov 16 1 Dec 16 1 Jan 16 1 Feb 16 ... 0. 0 0. 2 0. 4 0. 6 0. 8 1. 0 0 10 20 30 40 50 Camera 3 A O N es t A va ila bi lit y A dj us tm en t F ac to r 16 ... 1 Nov 16 1 Dec 16 1 Jan 16 1 Feb 16 0. 0 0. 2 0. 4 0. 6 0. 8 1. 0 10 20 30 40 50 60 C ou nt ... Date A O n es t a va ila bi lit y ad ju st m en t f ac to r 60 50 40 30 20 10 0 C ou ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 229–241 : Author(s): Southwell, C., J. McKinlay, L. Emmerson, R. Trebilco and K. Newbery
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Mesopelagic fish of the Southern Ocean - summary results of recent Soviet studies
an adequate supply of food both for young and adult fish throughout the year, together with specific features ... during the first two years of life were found to be 30 to 36 mm per year (Zaselskiy et al.,1985). Growth ... that fish from the Scotia Sea and the Antarctic Convergence areas (between 20° and 30°W) had statistically ... = 20.35 [i -eo.zs (t+O.t4>]. Mean natural mortality of 1.14 was calculated from one year's data ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 433–457 : Author(s): Sabourenkov, E.N.
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Trends in relative abundance of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps at Potter Cove, South Shetland Islands, after commercial fishing in the area
to the inshore sub-populations of N. rossii and G. gibberifrons over the last 16 years was most probably caused ... -populations of N. rossii and G. gibberifrons over the last 16 years was most probably caused by the offshore ... to 30 April next year. Variance was normalised using the trans- formations: in the case of numbers ... in Table 1. Split-year (1 May to 30 April) means of total catches per haul are presented in Figure ... = 0.15), together with the observed split-year mean values. Annual marks correspond to 1 January each ... over the last 16 years was most probably caused by the offshore commercial fishery in the area ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 43–52 : Author(s): Barrera-Oro, E.R., E.R. Marschoff and R.J. Casaux
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Moulting interval and growth of juvenile Antarctic krill fed different concentrations of the diatom Phaenodactylum tricornutum in the laboratory
day –1, which is too slow to support the hypothesised 2-year life-span of this animal in the field ... krill was calculated to be 0.047 mm day–1, which is too slow to support the hypothesised 2-year ... life-span of this animal in the field. Growth conditions of krill in the Southern Ocean are discussed ... to support the hypothesised 2-year life-span of this animal in the field. Growth conditions of krill ... demasiado lenta para mantener la duracion de vlda de dos anos postulada para este animal en la region. Se ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 223-225 : Author(s): Ikeda, T. and P.G. Thomas