Search results
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Line weights of constant mass (and sink rates) for Spanish system Patagonian toothfish longline vessels
. (2000) who showed a reduction in mortality of black-browed albatrosses (Thalassarche melano- phrys ... from attack by whales as lines are brought to the surface. Fishing vessel, location and gear ... ) and a new hook line (3.5 mm diameter monofila- ment nylon). By this design (see Figure 1), branch ... broke and time did not permit production of a new mould. Therefore, the remaining 8 kg weights and all ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 93–106 : Author(s): Robertson, G., C.A. Moreno, E. Gutiérrez, S.G. Candy, E.F. Melvin and J.P. Seco Pon
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A fine-scale model of the overlap between penguin foraging demands and the krill fishery in the South Shetland Islands and Antarctic Peninsula
developed. The new index reflects the functional interaction between these two utilisers of the krill ... developed. The new index reflects the functional interaction between these two utilisers of the krill ... of calculating an index of fishery-predator interaction has been developed. The new index reflects ... of pairs of birds from all colonies expected to be foraging within the minor unit at any time ... was determined as where P, is the total number of pairs in colony t of colonies (only one bird from a pair ... which was reflected in a high critical period-distance calculation. Our new overlap index ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 99–110 : Author(s): Agnew, D.J. and G. Phegan
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Use of indices of predator status and performance in CCAMLR fishery management
An important part of the uniqueness of the Convention for the Conservation of Antarctic Marine Living ... of Antarctic Marine Living Resources to develop, through its Scientific Committee, an Ecosystem Monitoring ... of the ecosystem, to serve as the basis for the conservation of Antarctic Marine Living Resources. The monitoring ... in the marine environment, evidence for short-term changes (year-to-year differences or trends over three ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 353–365 : Author(s): Croxall, J.P.
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Validation of sink rates of longlines measured using two different methods
on the FV Janas, a 46.5 m freezer autoliner (New Zealand Longline Ltd) using 9 mm demersal integrated ... . Conclusions TDRs were originally built to be deployed on marine mammals and diving birds to record ... to attack the baited hooks (Robertson et al., 2003). To minimise seabird mortality, vessels fi shing ... of the vessel, bottles could become concealed by the birds particularly when they had gathered in dense ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 179–187 : Author(s): Wienecke, B. and G. Robertson
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The use of predator-derived krill length-frequency distributions to calculate krill target strength
Marine Laboratory, University of St Andrews St Andrews, Fife KY16 BLB, United Kingdom Abstract ... AND METHODS Sample Collection Krill were collected from Antarctic fur seals at Bird Island, South Georgia ... of krill in the vicinity of Bird Island can change markedly throughout the course of the predator ... -') of Antarctic krill in the diet of Antarctic fur seals a t Bird Island, South Georgia, between December 1993 ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 155–163 : Author(s): Reid, K. and A.S. Brierley
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New data on spawning, hatching and growth of Champsocephalus gunnari on the shelf of the Kerguelen Islands
Paper Title: New data on spawning, hatching and growth of Champsocephalus gunnari on the shelf ... of the Kerguelen shelf during the 1989/90 to 1993/94 period provide new information on the stock of Champsocephalus ... enabled a new cohort of fish to be identified each year. However, annual variations in abundance have been ... New data on spawning, hatching and growth of Champsocephalus gunnari on the shelf of the Kerguelen ... CCAMLR Science, Vol. 2 (1995): 21-34 NEW DATA ... part of the Kerguelen shelf during the 1989/90 to 1993/94 period provide new information on the stock ... has enabled a new cohort of fish to be identified each year. However, annual variations in abundance ... groups correspond to fish spawned during the same period and which form a new cohort. The LFDs observed ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 21–34 : Author(s): Duhamel, G
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Status of the coastal stocks of Dissostichus spp. in East Antarctica (Divisions 58.4.1 and 58.4.2)
- son with catch rates in Divisions 58.4.1 and 58.4.2. The Ross Sea data had been pre-processed by New ... Zealand scientists to eliminate errors in the dataset. Although only alternate SSRUs have been open ... separate vessels registered to seven CCAMLR Members (Australia, Chile, Republic of Korea, Namibia, New ... Zealand, Spain and Uruguay) fished during the experiment (Table 1). These vessels did not all fish ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 71–100 : Author(s): Agnew, D.J., C. Edwards, R. Hillary, R. Mitchell and L.J. López Abellán
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Biological parameters for icefish (Chionobathyscus dewitti) in the Ross Sea, Antarctica
National Institute of Water and Atmospheric Research (NIWA) Ltd PO Box 893 Nelson, New Zealand Email ... and Atmospheric Research (NIWA) Ltd Private Bag 14901 Wellington, New Zealand Abstract Icefish ... and the New Zealand Government approves permits for New Zealand companies to fish in the Ross Sea region ... icefish from each New Zealand longline set during the 2005/06 fishing season. An additional aim ...
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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Otolith and body size relationships in bigeye grenadier (Macrourus holotrachys) in CCAMLR Subarea 48.3
., 2001), and discarded by- catch fi sh are known to be taken by black-browed and grey-headed albatrosses ... on their macrourid prey. The aim of such studies, which examine otoliths from sources such as bird and fi sh ... prey items found in the diets of marine predators. One diffi culty is that otoliths may erode during ... of the Commission for the Conservation of Antarctic Marine Living Resources. FAO, Rome. García de la Rosa, S.B ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 133–143 : Author(s): Morley, S. and M. Belchier
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The influence of bait quality on the sink rate of bait used in the Japanese longline tuna fishing industry: an experimental approach
contributing to seabird mortality and the associated economic cost to fishermen of bait loss induced by birds ... can be made to sink to a depth greater than that achievable by diving birds within the area astern ... of a ship that is protected by a bird scaring streamer line. The sink rates of bait may vary according ... the protection zone of the line trailed behind longliners to scare birds from baits. In addition ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 123–129 : Author(s): Brothers, N., A. Foster and G. Robertson