Search results
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Stratification of catch-at-length data using tree based regression: an example using Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea
the sampled catch based on the median length of Antarctic toothfish for each set using the observer length ... regression model to determine the strata. The resulting stratification effectively split the fishery ... catch based on the median length of Antarctic toothfish for each set using the observer length frequency ... model to determine the strata. The resulting stratification effectively split the fishery ...
Meeting Document : WG-FSA-SAM-05/8 : Author(s): N.L. Phillips, A. Dunn and S.M. Hanchet (New Zealand)
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Review of cetacean depredation in CCAMLR statistical subareas
observed throughout the CCAMLR management area. Loss of fish through depredation can cause financial loss ... fishery-mammal interactions. This review summarises the current state of knowledge on depredation ... Depredation, the removal of fish from longlines by large marine predators, has been observed ... fishery-mammal interactions. This review summarises the current state of knowledge on depredation ...
Meeting Document : WG-SAM-15/27 : Author(s): M. Soeffker (United Kingdom) and P. Tixier (France)
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Preliminary results of investigations of the Federal Republic of Germany on Notothenia rossii marmorata (Fischer, 1885) in January/February 1985
been low, N. rossii around South Georgia is still largely affected by the fishery. Stock size ... years have been low, N. rossii around South Georgia is still largely affected by the fishery. Stock size ... , N. rossii around South Georgia is still largely affected by the fishery. Stock size is probably still less ... South Georgia and off Flcphant Island have been greatly affP.cted hy the fishery and have obviously ... according to the observed diffcrcnce:c. in abundance (KOCK, 1985a). Even if the estimated .,tock a.ize ... fishery although rcporLe
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 33-57 : Author(s): Kock, K.-H.
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Interactions between seabirds and deep water hake trawl gear: an assessment of impacts in South African waters 2004/05
trawl fishery. Observations of interactions between seabirds and trawl gear were made on 331 trawls ... of fishery wastes. Using a bootstrapping approach to estimate 95% confidence intervals (CI), the average ... impact of the fishery requires assumptions about total fishing effort, the proportion of trawls where ... to reduce trawl mortality in this fishery. Author(s): B.P. Watkins, S.L. Petersen and P.G. Ryan (South ...
Meeting Document : WG-FSA-06/41 : Author(s): B.P. Watkins, S.L. Petersen and P.G. Ryan (South Africa)
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DISTRIBUTION AND ABUNDANCE OF ANTARCTIC TOOTHFISH IN THE ROSS SEA
for the purposes of addressing items on the FEMA 2 agenda. It summarises the management of the fishery, catch ... and effort, size distribution, and tagging data collected from the Antarctic toothfish fishery up to the 2007 ... of toothfish are most likely to occur. Of the total catch from the fishery to date of almost 19 000 t, about 20 ... to the Ross Ice Shelf). The catch rates from the exploratory longline fishery typically show high temporal ...
Meeting Document : WG-EMM-09/40 : Author(s): S.M. Hanchet, S. Mormede and A. Dunn (New Zealand)
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Fishing equipment, marine debris and oil associated with seabirds at Bird Island, South Georgia, 2003/04
for the first time and was probably attributable to an increase in observer effort associated with greater field ... -work intensity. Hooks were typical of those used in the toothfish fishery around South Georgia ... for the first time and was probably attributable to an increase in observer effort associated with greater field ... -work intensity. Hooks were typical of those used in the toothfish fishery around South Georgia ...
Meeting Document : SC-CAMLR-XXIII/BG/16 : Author(s): Delegation of the United Kingdom
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Estimates of bird by-catch by IUU vessels in Subarea 48.3, 1998–2001
in the illegal fishery, and that these were more likely to be similar to the bird catch rates made by other ... by the number of hooks observed leads to revised estimates of total catch in 1999, 2000 and 2001 of 1115, 4898 ... fishery, and that these were more likely to be similar to the bird catch rates made by other vessels ... of hooks observed leads to revised estimates of total catch in 1999, 2000 and 2001 of 1115, 4898 and 1236 ...
Meeting Document : WG-FSA-03/56 : Author(s): D.J. Agnew (United Kingdom)
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Using outputs from spatial population models of Antarctic toothfish in the Ross Sea region to investigate potential biases in the single population model
Sea region as operating models in simulation experiments. Simulated observations from these models ... the historical footprint of the fishery. However, the results when using a similar model that allowed for fish ... to be present in areas outside the area historically accessed by the fishery suggested the standard stock ... Sea region as operating models in simulation experiments. Simulated observations from these models ...
Meeting Document : WG-FSA-12/45 : Author(s): S. Mormede and A. Dunn (New Zealand)
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Annotated bibliography: seabird interactions with trawl fishing operations and cooperative research
Abstract: We briefly summarize the available literature (17 documents) on the nature of seabird ... on cooperative research with the fishing industry (2 documents). The purpose of this review was to bring ... this emerging issue in seabird conservation to the attention of the fishing industry and fishery managers ... We briefly summarize the available literature (17 documents) on the nature of seabird interactions ...
Meeting Document : WG-FSA-04/47 : Author(s): K. Dietrich and E. Melvin (USA)
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Surface areas of seabed within the 500 m isobath regions within the South Shetland Islands (Subarea 48.1)
National Marine Fisheries Service US Antarctic Marine Living Resources Program PO Box 271, La Jolla, Ca ... regions of the Southern Ocean. In: Selected Scientific Papers, 1987 (SC-CAMLR-SSPI4). CCAMLR, Hobart ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 133–140 : Author(s): Jones, C.D., S.N. Sexton and R.E. Cosgrove III