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An iterative model to construct an age/length key to assess the age composition of a new fishery for Dissostichus eleginoides in Chilean waters
estimation of age composition of catch requires that age/length data and random length frequency have been ... composition of catch for Dissostichus eleginoides was obtained with the application of a single age/length key ... estimation of age composition of catch requires that age/length data and random length frequency have been ... composition of catch for Dissostichus eZeginoides was obtained with the application of a single age/length ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 11–20 : Автор(ы): Robotham, V. H. and Z. Young U.
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The fishery for Patagonotothen brevicauda guntheri in CCAMLR Subarea 48.3
they would also catch undersized individuals of other, larger species. Survey results suggest that such ... -catch of other fisheries; this suggests that illegal nets were used. File: 16-Everson-and-Mitchell.pdf ... . guntheri means that they can only be caught with net meshes so small that they would also catch undersized ... significant effect on other species. P.b. guntheri has been reported as a by-catch of other fisheries; this ... 12NII which limited the total catch for the season to 13 000 tonnes. In the following year the total ... allowable catch (TAC) was set at 12000 tonnes (Conservation Measure 16NIII). At the end of the fishing ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 275–283 : Автор(ы): Everson, I. and C. Mitchell
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The 1991/92 fishery for Dissostichus eleginoides in Subarea 48.3
Chilean vessels. The maximum catch taken in a five-day period was 375 tonnes. Catch rate was not ... tonnes was taken by one Bulgarian, five Russian and eight Chilean vessels. The maximum catch taken in a ... five-day period was 375 tonnes. Catch rate was not influenced by fishing depth, time of day or soak ... ceased fishing on 24 March. The maximum catch taken in a five-day period was 375 tonnes (Figure 1 ... , and as shown in Table 1 for Chile. 1.1 Data Sources Catch and effort data were reported by five ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 31–48 : Автор(ы): Agnew, D.J. and C.A. Moreno
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A simulation study of krill fishing by an individual Japanese trawler
proportional biomass decrease. Catch statistics collected at present (centred primarily on catch per fishing ... time) are of low utility in detecting biomass decline. Combination catch rate indices incorporating ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 1–108 : Автор(ы): Butterworth, D.S.
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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
using the total catch of krill taken within 100 km of penguin colonies in their breeding season ... the krill resource and is based on a detailed model of penguin foraging patterns combined with catch ... , Australia Abstract CCAMLR has been using the total catch of krill taken within 100 km of penguin ... that 75 to 90% of the total catch for the subarea was taken between December and March within 100 km ... catch taken within this 'critical period-distance' as an indicator of the potential overlap between ... catch may be taken within the foraging distance of land-based colonies, those colonies containing the ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 99–110 : Автор(ы): Agnew, D.J. and G. Phegan
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Seabird interactions with longlining operations for Dissostichus eleginoides at the South Sandwich Islands and South Georgia
involving the setting and hauling of longlines to catch the toothfish Dissostichus eleginoides around the ... and observations of longline vessels fishing around South Georgia, however, indicate significant catch ... days of operations involving the setting and hauling of longlines to catch the toothfish Dissostickus ... , however, indicate significant catch rates of albatrosses. Resume Les interactions reelles et ... ) repor ted a catch ra te of 0.41 seabirds/thousand hooks in the southern bluefin t u n a longline f ... point out to 500 m astern of the vessel. In encounters over offal or discarded by-catch, a hierarchy ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 143–153 : Автор(ы): Ashford, J.R., J.P. Croxall, P.S. Rubilar and C.A. Moreno
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Estimates of fish stock biomass around South Georgia in January/February 1985
Abstract / Description: Catch data from a bottom trawl survey in January/February 1985 have been used to ... N. guntheri and D. eleginoides stocks is difficult to assess. The by-catch species N. gibberifrons ... Abstract Catch data from a bottom trawl survey in January/February 1985 have been used to estimate stock ... and D. eleginoides stocks is difficult to assess. The by-catch species N. gibberifrons, Ch. aceratus ... paper catch data from a bottom trawl survey in January/February 1985 have been used to estimate stock ... Committee of CCAMLR 1982-1984 , 1: 227-327 CARROTHERS, P.J.G. (1981): Catch variability due to ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 1-32 : Автор(ы): Kock, K.-H.
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Annual changes in species composition and abundance of myctophid fish in the north of South Georgia (Subarea 48.3), Antarctica, during austral winters from 2002 to 2008
/ Description: Species composition and abundance of myctophid fish were analysed using the fish by-catch ... 10 myctophid species were identified in the by-catch samples, among which Krefftichthys anderssoni ... CCAMLR has expressed concerns about the impact of incidental catch in the krill fishery on some fish ... scientific data on fish by-catch. Japan ini- tiated on-board scientific observer activities in the 1989/90 ... fishing season to collect information on the incidental catch of juvenile fish (Kiyota and Iida, 2009 ... and abundance of myctophid fish were analysed using the fish by-catch samples collected by scientific ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 155–163 : Автор(ы): Iwami, T., M. Naganobu, K. Taki and M. Kiyota
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Killer whale (Orcinus orca) and sperm whale (Physeter macrocephalus) interactions with longline vessels in the Patagonian toothfish fishery at South Georgia, South Atlantic
. Catch rates were significantly lower when killer whales were present when compared to hauls during which ... no cetaceans were present. Catch rates were slightly higher in the presence of sperm whales and it is ... areas with lower catch rates, indications are that depredation by sperm whales can lead to a decrease in ... night. Catch rates were signifi cantly lower when killer whales were present when compared to hauls ... during which no cetaceans were present. Catch rates were slightly higher in the presence of sperm ... (toothfi sh). However, in areas with lower catch rates, indications are that depredation by sperm whales ... depredation of catch to the presence of whales around the vessel with no apparent connection to fi shing ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 111–126 : Автор(ы): Purves, M.G., D.J. Agnew, E. Balguerías, C.A. Moreno and B. Watkins
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A risk-management framework for avoiding significant adverse impacts of bottom fishing gear on Vulnerable Marine Ecosystems
, closed areas around identified VMEs, open and closed management areas, by-catch limits for VME-forming ... around identified VMEs, open and closed management areas, by-catch limits for VME-forming organisms ... , paragraphs 4.135 and 4.136; SC-CAMLR, 2003b, paragraph 5.230): (i) avoidance (ii) mitigation (iii) catch ... area Shot Observe invertebrate by-catch and other specified data Designated Actions in FOP Report ... identified VMEs, open and closed management areas, by-catch limits for VME-forming organisms, gear ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 177–193 : Автор(ы): Martin-Smith, K
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