Résultats de la recherche
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Operational interactions of sperm whales and killer whales with the Patagonian toothfish industrial fishery off southern Chile
95% US$47 302–153 745) for the whole fleet, with a mean loss per set of US$138 (CI 95% US$74.76–249.3 ... Paper Title: Operational interactions of sperm whales and killer whales with the Patagonian ... toothfish industrial fishery off southern Chile Abstract / Description: Interactions of sperm whales ... industrial fishing vessels between April 2002 and March 2003. For the 180 hauls monitored, the evidence of ... southeastern Bering Sea and adjacent waters. Fish. Bull., 93 (2): 355-372. Yukhov, V.L. 1972. The range of fi ... , leading to damage to or loss of gear (Ashford et al., 1996). For the reasons outlined above, the Chilean ... heads and 3 trunks were recovered which suggests the loss of at least 140 toothfi sh in the portions ... Most interactions with whales occurred along the middle of the Pacifi c-South American continen- tal ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 127–140 : Auteur(s): Hucke-Gaete, R., C.A. Moreno and J. Arata
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The effects of monitoring procedures on Adélie penguins
loss. There was a slight reduction in return rates of birds banded for more than one season, but no ... evidence of band or tag loss over a single winter. The attachment of satellite tracking devices during the ... Paper Title: The effects of monitoring procedures on Adélie penguins Abstract / Description: The ... effects of flipper bands, implanted tags, gastric lavage and external instrument attachment on the ... average of 0.50 for the whole colony. Twelve birds carried TDRs for one trip each; their nests fledged ... for three consecutive journeys. Within a week he had made one short return trip of 5 km followed by ... ), especially if the purpose of the instrumentation is to measure foraging trip durations (as is recommended ... ). There is a wide range of post-hatch foraging trip durations (5 to 187 hours) at Bkchervaise Island due ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 155–164 : Auteur(s): Clarke, J. and K. Kerry
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Analysis of haul data from the South Georgia krill fishery
hauls producing higher catch rates during the middle of the day. Individual hauls were examined to ... Paper Title: Analysis of haul data from the South Georgia krill fishery Abstract / Description ... 1994 and 1996 were examined and a range of descriptive measurements reflecting the fishery operation ... focused, operating in a limited area along the shelf edge on the northern coast of the island. Each day ... , although in each season almost all of the catch rates which were high occurred towards the east of the ... started in the east of the region, and much of the fleet spent the early part of the season close to a ... characteristics at different times of to exploit other areas along the northern shelf day (cf. Marr, 1962 ... 10%) occurred in the east of the region, close to the bank north of Cape Charlotte (Figure 7). The ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 9–30 : Auteur(s): Trathan, P.N., I. Everson, E.J. Murphy and G.B. Parkes
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A first step towards modelling the krill–predator dynamics of the Antarctic ecosystem
Paper Title: A first step towards modelling the krill–predator dynamics of the Antarctic ... ecosystem Abstract / Description: The history of human harvests of seals, whales, fish and krill in the ... hypothesis of a krill surplus in the mid-20th century is described, and the information on population and ... objective of the study is to determine whether predator–prey interactions alone can broadly explain observed ... the 1950s. Zenkovich (1962) reports that during a cruise in the Indian Ocean sector of the Southern ... annual rate of population increase of 16.8% between 1957 and 1972. Following this study, Boyd (1993 ... reported an indication of the recovery of breeding stock C – east Africa. For breeding stock A (Brazil ... recently finfish exploita- tion commenced in the 1960s, and that of Antarctic krill (Euphausia superba ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 217–277 : Auteur(s): Mori, M. and D.S. Butterworth
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Distribution, biomass and characteristics of the Euphausia superba fishery around South Georgia (Subarea 48.3)
into eddies. Among these areas, aggregations of krill were observed most often to the east of the ... Paper Title: Distribution, biomass and characteristics of the Euphausia superba fishery around ... many aspects of its variability have been extensively described in scientific literature. A summary of ... variability and the wide range of biomass values obtained which in turn leads to uncertainty in interpreting ... eddies. Among these areas, aggregations of krill were observed most often to the east of the island and ... transport krill to the South Georgia area which is located at the northern edge of its habitat (Marr, 1962 ... the island (Marr, 1962; MacIntosh, 1972; Makarov et al., 1980). As opposed to aggregations in the ... aggregations occur most often toward the east of the region then in autumn and especially winter they are more ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 123–147 : Auteur(s): Latogursky, V.I., R.R. Makarov and L.G. Maklygin
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Book review: Fish and Fish Resources of the Antarctic
Paper Title: Book review: Fish and Fish Resources of the Antarctic Abstract / Description: This ... work by K.V. Shust (Doctor of Biological Sciences), published in 1998, remains fairly unknown beyond a ... , of original material and published data describing comlnercial and potentially commercial Antarctic ... among the most poorly studied regions from the point of view of their fisheries potential. The USSR ... until the 1960s Antarctic waters were still among the most poorly studied regions from the point of ... FISH AND FISH RESOURCES OF THE ANTARCTIC K.V. Shust VNIRO, 17a V. Krasnoselskaya Moscow 107140 ... , Russia antarctica@vniro.ru Published in Russian by: Russian Federal Research Institute of Fisheries ... and Oceanography (VNIRO), Moscow Shust, K.V. 1998. Fislzes nnd Fish Resoz~rces of the A~ztnrctic ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 165–168 : Auteur(s): Shust, K.V
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Differences in distribution and population structure of krill (Euphausia superba) between penguin and fur seal foraging areas near Seal Island
areas, middle-sized krill (modal length 43 mm), which consisted mainly of non-gravid krill, were ... Paper Title: Differences in distribution and population structure of krill (Euphausia superba ... studies of krill-eating predators (penguins and female fur seals) near Seal Island were conducted to ... in inshore regions where krill frequently occurred but higher density areas of krill (~250 g/m 2 ... possible or until the fur seal or penguin returned to shore at the end of its feeding trip. Location of ... were tracked for the majority of one entire feeding trip. The trip of the female fur seal was tracked ... stomachs. This means that for penguins, the amount of energy delivered to the chick per trip is limited ... the amount of energy delivered per trip and may lead to chick starvation. Secondly, the present ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 273–285 : Auteur(s): Ichii, T., H. Ishii, J.L. Bengtson, P. Boveng, J.K. Jansen and M. Naganobu
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Foraging behaviour and reproductive success in chinstrap penguins: the effects of transmitter attachment
on: (i) the effects of radio transmitter attachment on nest attendance, foraging trip duration, nest ... Paper Title: Foraging behaviour and reproductive success in chinstrap penguins: the effects of ... transmitter attachment Abstract / Description: The use of radio telemetry has been accepted as a standard ... method with which to monitor foraging trip duration in penguins by the CCAMLR (Commission for the ... reproductora cuando se utilicen los metodos estandar del CEMP. 1. IN1RODUCTION The use of radio telemetry ... biases may potentially result from the effects of transmitter attachment on foraging trip duration, and ... trip duration should be examined to evaluate the utility of this method for monitoring ecosystem ... trip and visit durations of each treatment group during each observation period are shown in Table 1 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 291–303 : Auteur(s): Croll, D.A., J.L. Bengtson, P.L. Boveng, M.E. Goebel and J.K. Jansen
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Whales: Trophic modelling of the Ross Sea
. Bradford-Grieve and S.M. Hanchet. 2010. A balanced model of the food web of the Ross Sea, Antarctica ... ) by a middle value of 1.3. Method 5. Here, we use an estimate of standard (or basal) metabolic rate ... accounting for mortality loss. This increase in biomass is exported at the end of the summer when the whales ... modelling of the Ross Sea M.H. Pinkerton1, J. Bradford-Grieve1, P.M. Sagar2 1 National Institute of ... , Riccarton 8011, Christchurch, New Zealand 1 Introduction and Species For the purposes of modelling ...
Document : Site Section: Publications
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Sea Ice Biota: Trophic modelling of the Ross Sea
. Bradford-Grieve and S.M. Hanchet. 2010. A balanced model of the food web of the Ross Sea, Antarctica ... ice habitat rather than by light. Growth of epontic algae in the Prydz Bay (east Antarctica) area may ... (Lee & Fenchel 1972). That is, at about 0°C a generation time is about 4.5 d or a doubling time of ... group in single year sea ice are allowed in the annual model; there can be no build up or loss of ... 1 Sea Ice Biota: Trophic modelling of ...
Document : Site Section: Publications