Search results
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Archival and satellite-linked data recorders
durations, and diving surface time ratios, both between individuals and between years. SECTION ... is that if the batteries fail, all collected data are lost. Further information is available in Appendix 1. Two other ... for) 1 year. » Units optionally provided with 2 depth ranges to provide wide depth range with higher ... at depth for any particular diver. The instrument must be recovered from the animal or man, but data read ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 475-493 : Author(s): Hill, R.D.
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Management and assessment options for the crab fishery around South Georgia
ted i n t he CCAMLR Convention Area before this fishing trip, so there a r e no t ime ser ies ... of commercial o r biological data. Apart from the data collected on the first fishing trip, there is very ... not be unreasonable, at least at the start. It is, however, still important that at this early stage the dependent ... at this early stage in the fishery and may become less appropriate as more data are collected. The 'Size-Sex ... context of this crab fishery with specific reference to the principles of the CCAMLR Convention. We ... compatible with the expansion of the information base available for assessment. File: 14basson-hoggarth.pdf ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 193–202 : Author(s): Basson, M. and D.D. Hoggarth
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Distribution of fish larvae at South Georgia: horizontal, vertical, and temporal distribution and early life history relevant to monitoring year-class strength and recruitment
distribution and early life history relevant to monitoring year-class strength and recruitment Abstract ... and early life history relevant to monitoring year-class strength and recruitment ... / Description: Four studies on the early life history stages of Antarctic fish at South Georgia are reported ... . In winter and summer fish larvae and early juveniles were present over the continental shelf and abundant ... , VERTICAL, AND TEMPORAL DISTRIBUTION AND EARLY LIFE HISTORY RELEVANT TO MONITORING YEAR-CLASS STRENGTH ... AT SOUTH GEORGIA : HORIZONTAL, VERTICAL, AND TEMPORAL DISTRIBUTION AND EARLY LIFE HISTORY RELEVANT ... TO MONITORING YEAR-CLASS STRENGTH AND RECRUITMENT A.W. North (United kingdom) Abstract Four studies ... on the early life history stages of Antarctic fish at South Georgia are reported. In winter and summer fish ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 105-141 : Author(s): North, A.W.
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Biological parameters for icefish (Chionobathyscus dewitti) in the Ross Sea, Antarctica
340–360 mm total length (TL) and about 3–4 years of age, and that 95% were mature at about 370–400 mm ... TL and 6–8 years of age. Counts of growth zones in sectioned otoliths were used to determine ages ... a significantly larger mean asymptotic maximum size than males. Maximum ages of 8 and 11 years were obtained ... ;360 mm total length (TL) and about 3–4 years of age, and that 95% were mature at about 370&ndash ... that brooding fish did not occur in the sampling area/depth or that egg bundles were dis- lodged prior ... for collecting the icefish specimens. Peter McMillan (NIWA) assisted with specimen identification, and Di ... – c.sutton@niwa.co.nz M.J. Manning, D.W. Stevens and P.M. Marriott National Institute of Water ... ) and about 3–4 years of age, and that 95% were mature at about 370–400 mm TL and 6–8 years of age. Counts ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 139–165 : Author(s): Sutton, C.P., M.J. Manning, D.W. Stevens and P.M. Marriott
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Age and growth of spiny icefish (Chaenodraco wilsoni Regan, 1914) off Joinville–D’Urville Islands (Antarctic Peninsula)
was 1–5 years for males and 1–4 years for females of C. wilsoni. Applying the von Bertalanffy (VB) growth ... . Age-at-sexual maturity was estimated to be about 2 years for females and 2.5 years for males. Like ... consisted mainly of adult individuals between 1 and 3 years of age, with very few older fish. File ... . The estimated age range was 1–5 years for males and 1–4 years for females of C. wilsoni. Applying ... PENINSULA) M. La Mesa and A. De Felice ISMAR-CNR, Istituto di Scienze Marine Sezione Pesca Marittima di ... reading was carried out. When the difference remained, the otolith section was dis- carded. To estimate ... of spiny icefish off Joinville–D’Urville Islands In: di Prisco, G., B. Maresca and B. Tota (Eds). Biology ... to be considered with caution. The estimated age range was 1–5 years for males and 1–4 years for females ...
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
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Hook selectivity in the longline fishery of Dissostichus eleginoides (Nototheniidae) off the Chilean coast
for the Patagonian toothfish (Dissostichus eleginoides, Smith, 1898) in Chile started as early as 1955, the year ... ling (Genypterus blacodes) as the target species (Gonzalez, 1962). In the late sixties, Pavez et al ... analogous to the selection of distance between knots in gill nets, which might later be used as an ultimate ... of a longline vessel which used fresh mackerel bait during five fishing trips. A comparison of CPUEs obtained ... caught with straight hooks Nos 3 and 4 are not significantly different, but hooks No. 3 are nearly 31 ... hooks is increased (e.g., from 4 to 3) or when circle hooks are used instead of straight hooks. File ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 107–119 : Author(s): Moreno, C.A.
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Distribution and relative abundance of Antarctic toothfish (Dissostichus mawsoni) on the Ross Sea shelf
that they are likely to be dis- persed throughout much of the Ross Sea shelf, albeit in low numbers, extending ... for helpful dis- cussions and input into this paper. This project was funded by the New Zealand Ministry ... 88.1 and 88.2 for all years up to, and includ- ing, the 2007/08 fishing year. The observer data used ... and 88.2 for all years up to, and including, the 2007/08 fishing year. Data error checking and grooming ... , with some evidence for an ontogenetic migration from east to west as they grow. From the fisheries data ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 33–51 : Author(s): Hanchet, S.M., S. Mormede and A. Dunn
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Food consumption by predators in a CCAMLR integrated study region
in the Scotia Sea (Croxall et al., 1985). Unfortunately, the working version of the program was lost when BAS ... moved its computing away from Cambridge University. The lost program will be referred to as Version 1.0 ... provides either the distribution of the predation on each day throughout the year, or distribution ... the food consumption of a seabird community throughout the year requires knowledge of the population size ... . Prey categories are readily modifiable to sub-divide krill into sexes and maturity stages. With ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 489–519 : Author(s): Croxall, J.P., C. Ricketts and A.G. Wood
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Large-scale peculiarities of phytocenosis species composition in the surface layer in the Antarctic Atlantic and Indian Ocean sectors
. In the eastern Weddell Gyre a great change in the composition of phytoplankton species was registered ... peripheral waters and the centre of the Weddell Gyre. In the eastern Weddell Gyre a great change ... the distribution of the south peripheral waters and the centre of the Weddell Gyre. In the eastern Weddell Gyre ... of phytoplankton in samples was determined and later recalculated per g/m3 • Species compositions of phytocenosis ... in samples taken at later dates. A substantial proportion of T. antarctica was also found in the south ... Current. In other regions phytoplankton biomass was lower. In the eastern part of the Weddell Gyre ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 201-214 : Author(s): Makarov, R.R. and K.P. Fedorov
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Estimating unaccounted fishing mortality in the Ross Sea region and Amundsen Sea (CCAMLR Subareas 88.1 and 88.2) bottom longline fisheries targeting Antarctic toothfish
unaccounted fishing mortality from lost lines in these fisheries is provided. These estimates suggest ... unaccounted fishing mortality from lost lines in these fisheries is provided. These estimates suggest ... , vessel and SSRU. The spatial dis- tribution of the number of sets with positive hook loss and the number ... 2 0. 04 7 Ta bl e 5: R ep or te d ho ok lo ss ra te b y in di vi du al v es se ls ... t yp e ea ch v es se l fis he d. ‘ na ’ de no te s th at t he v es se l di ... attached to sections of line each year, and the associated length of longline lost (iii) provide ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 17–30 : Author(s): Webber, D.N. and S.J. Parker