Search results

1. 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 ... Chilean vessels. The maximum catch taken in a five-day period was 375 tonnes. Catch rate ... 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 ... it ceased fishing on 24 March. The maximum catch taken in a five-day period was 375 tonnes (Figure ... , and as shown in Table 1 for Chile. 1.1 Data Sources Catch and effort data were reported by five-day periods ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 31–48 : Author(s): Agnew, D.J. and C.A. Moreno

2. A simulation study of krill fishing by an individual Japanese trawler

   . Generally the indices respond by dropping relatively less than the 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 within-concentration search time give ... . Generally the indices respond by dropping relatively less than the proportional biomass decrease. Catch ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 1–108 : Author(s): Butterworth, D.S.

3. 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 ... and observations of longline vessels fishing around South Georgia, however, indicate significant catch rates ... During seven days of operations involving the setting and hauling of longlines to catch ... South Georgia, however, indicate significant catch rates of albatrosses. ... involving the setting and hauling of longlines to catch the toothfish Dissostickus eleginoides around ... and observations of longline vessels fishing around South Georgia, however, indicate significant catch rates ... ). Brothers (1991) repor ted a catch ra te of 0.41 seabirds/thousand hooks in the southern bluefin ... or discarded by-catch, a hierarchy developed with giant petrels the most successful, followed by black-browed ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 143–153 : Author(s): Ashford, J.R., J.P. Croxall, P.S. Rubilar and C.A. Moreno

4. A declining trend in the abundance of Notothenia rossii marmorata and Notothenia gibberifrons observed in fjords in two sites in the South Shetland Islands

   Bay, in 1989. The analysis was based on the proportion of catches of the abovementioned species ... catch data by expressing the catches of N. rossii and N. gibberifrons in proportion to the catches ... -Moon I., Moon Bay, in 1989. The analysis was based on the proportion of catches of the abovementioned ... of standardized catch data by expressing the catches of N. rossii and N. gibberifrons in proportion to the catches ... was based on the proportion of catches of the abovementioned species in relation to Notothenia neglecta ... a consistent amount of effort between years, the analysis made use of standardized catch data by expressing ... the catches of N. rossii and N. gibberifrons in proportion to the catches of N. neglecta. A similar declining ... 1990 were obtained as part of an ecological study requiring continuous sampling with a limited fishing ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 263–274 : Author(s): Barrera-Oro, E. and E. Marschoff

5. Do krill and salps compete? Contrary evidence from the krill fisheries

   / Description:  Salp by-catch and krill discolouration ('green' krill) caused by active feeding ... krill in the catches was evident when both salps and krill were taken together. In the Livingston Island ... Salp by-catch and krill discolouration ('green' krill) caused by active feeding ... krill in the catches was evident when both salps and krill were taken together. In the Livingston Island ... Salp by-catch and krill discolouration ('green' krill) caused by active feeding on phytoplankton were ... in the catches was evident when both salps and krill were taken together. In the Livingston Island area ... , salps, by-catch, competition, CCAMLR INTRODUCTION Recently, an hypothesis of competition ... . Research vessels can cover wide areas but are usually limited in terms of continuity through the season ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 205–216 : Author(s): Kawaguchi, S., T. Ichii, M. Naganobu and W.K. de la Mare

6. 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 ... of 10 myctophid species were identified in the by-catch samples, among which Krefftichthys anderssoni ... Species composition and abundance of myctophid fish were analysed using the fish by-catch samples ... species were identified in the by-catch samples, among which Krefftichthys anderssoni, Gymnoscopelus ... 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 ... fish were analysed using the fish by-catch samples collected by scientific observers on board Japanese ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 155–163 : Author(s): Iwami, T., M. Naganobu, K. Taki and M. Kiyota

7. Analysis and modelling of the Soviet Southern Ocean krill fleet

   process such as trawl duration, krill catch, or between trawl movement. Correlation analyses are presented ... krill fleet. The objective of the work is to answer questions such as: what information do catch ... of concentrations and a measure of the form catch/swarm/search-time to track swarm density within concentrations ... such as trawl duration, krill catch, or between trawl movement. Correlation analyses are presented as a means ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 127–235 : Author(s): Mangel, M.

8. Potential interactions between wandering albatrosses and longline fisheries for Patagonian toothfish at South Georgia

   these fisheries at this time. Until fishing methods which do not catch albatrosses are in comprehensive use, we ... fishing methods which do not catch albatrosses are in comprehensive use, we recommend that the South ... risk from these fisheries at this time. Until fishing methods which do not catch albatrosses ... ). These fisheries are also known frequently to catch albatrosses (Ashford et al., 1994; Schiavini et al ... on the location of hauls (catches). Fishing for D. eleginoides around South Georgia started in 1976/77. Longline ... ) D. exulans appear to operating at a time. From these periods we have have limited vulnerability to longline ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 101–110 : Author(s): Croxall, J.P. and P.A. Prince

9. The sensitivity of multiple output statistics to input parameters in a krill–predator–fishery ecosystem dynamics model

   advice to CCAMLR on the spatial allocation of the Antarctic krill catch limit for the Scotia Sea ... catch levels: 11% and 100% of the modelled pre- cautionary catch limit. The former represents CCAMLR’s ... operational krill catch limit, or trigger level, which is 11% of the cur- rent precautionary catch limit ... are specifically for the ‘Demand’ catch allocation option and allowable catch at the precautionary catch limit ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 97–118 : Author(s): Hill, S.L. and J. Matthews

10. Champsocephalus gunnari stock status in the South Georgia area

    . The recruitment was taken at the lowest possible level for all these years (400 million specimens). Catch-per-unit ... that at the currently used value of stock size and even at the lowest possible recruitment levels and catch-per-unit ... . The recruitment was taken at the lowest possible level for all these years (400 million specimens). Catch-per-unit ... levels and catch-per-unit-effort the present fishing regime does not lead to a decline in C. gunnari ... these years (400 million specimens). Catch-per-unit-effort was also taken at the lowest level. T AC ... size and even at the lowest possible recruitment levels and catch-per-unit-effort the present fishing ... ) data. Age composition of catches. Fishing mortality coefficients. Stock abundance (million ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 1-18 : Author(s): Borodin, R. and P. Kochkin

Pages