Resultados de la búsqueda

1. Preliminary analyses of data collected during experimental phases of the 1994/95 and 1995/96 Antarctic crab fishing seasons

   ; extrapolations must consider location. Linear models fitted to catch per unit effort (CPUE) and cumulative catch ... ; extrapolations must consider location. Linear models fitted to catch per unit effort (CPUE) and cumulative ... catch data from the Phase 2 depletion experiments did not have significant negative slopes. The ... with frozen herring and the carcasses of various fishes caught as by-catch. Haul-specific soak times ... 91/XIV) male P. spinosissima; catch rates (CPUE) are expressed in numbers of legal-sized males per ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 141–159 : Autor(es): Watters, G

2. Directed research. Antarctic Marine Living Resources (AMLR). A program development plan

   part. Studies in support of AMLR objectives include: (1) assessments of catch, effort, and related ... by-catch during commercial fishing operations; (2) biological surveys to validate the reliability of ... catch, effort, and related biological data provided by countries engaged in commercial operations in the ... they are a part. Studies in support of AMLR objectives include: (1) assessments of catch, effort, and ... species taken as by-catch during commercial fishing operations; (2) biological surveys to validate the ... reliability of catch, effort, and related biological data provided by countries engaged in commercial ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 363-373 : Autor(es): Office of Science and Technology, NMFS, NOAA, US Department of Commerce (USA)

3. Krill population biology during the 1991 Chilean Antarctic krill fishery

   the nearest 0.01 g. Mean catch-per-hour and mean catch-per-towing time were determined from a total of ... the nearest 0.01 g. Mean catch-per-hour and mean catch-per-towing time were determined from a total ... using values obtained for mean catch-per-hour and mean catch-per-distance towed (n miles) from the 419 ... , date, position, towing velocity and minimum depth of tows containing a fish by-catch during kriU ... : Total catch (tonne/mile) in both areas during the three time periods. 50 % 60 40 30 20 10 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 223–235 : Autor(es): Mujica R., A., E. Acuña S. and A. Rivera O.

4. Chilean krill fishery: analysis of the 1991 season

   paper summarises Chilean catch data for 1991. Special emphasis is given to the analysis of haul-by-haul ... This paper summarises Chilean catch data for 1991. Special emphasis is given to the analysis of haul ... subarea (Figure 1). The catch is used in the production of feed either as frozen krill or meal. For that ... is frozen without any additional processing. The size of the catch (h~lUl-by-haul) is regulated by ... total catch is regulated by the capacity of the freezers. 3. CHILEAN KRILLFISHERY DURING 1991 3.1 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 273–287 : Autor(es): Marín, V.H., A. Mujica and P. Eberhard

5. The ecosystem approach to managing fisheries: achieving conservation objectives for predators of fished species

   to managing fisheries (CCAMLR, 1994) and setting precautioi~ary catch limits in the krill and some ... interactions between species. Species that directly interact with the target and by-catch species (hereafter ... predator criterion for determining catch limits of krill described above, a simple expectation would be ... recovery measures? In the general case, the assumption is that the catch limits are derived with ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 37–64 : Autor(es): Constable, A.J

6. Standardization of fishing effort for Champsocephalus gunnari in the South Georgia area (Subarea 48.3)

   area (Subarea 48.3) Abstract / Description:  Traditional calculation of catch-per-unit-effort series is ... calculation of catch-per-unit-effort series is inflexible in its use of data types and has no estimate of ... sequence of catch-per-unit-effort values was developed by years of fishing. Standardized values of fishing ... effort were then calculated by dividing summary catch by respective values of catch-per-unit-effort ... involves representing a standardized value of catch-per-effort by means of the following formulae: 328 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 327–336 : Autor(es): Gasiukov, P.S.

7. Fish stock assessment survey in Subarea 48.3

   positions of hauls, catch rates and size composition of catches. The standing stock of one of the most ... . Details are given of positions of hauls, catch rates and size composition of catches. The standing stock ... incomplete satellite cover, only for about half the day. The landed catch of all fish species at each ... these species in the catch. Weight, stomach fullness, otoliths and, where possible, scales, were also ... South Georgia and Table 5 for Shag Rocks. The distribution of catch rates for the major species are ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 25–67 : Autor(es): Everson, I., G. Parkes, K.-H. Kock, S. Campbell, Z. Cielniaszek and J. Szlakowski

8. The Kerguelen database

   , position of individual trawls, total catches and catch per species. Four species (Champsocephalus gunnari ... catches and catch per species. Four species (Champsocephalus gunnari, Notothenia squamifrons, N. rossii ... (Catch Per Unit Effort) for the whole area are shown in Figures 6 and 7. Two peaks can be seen in the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 23-54 : Autor(es): Duhamel, G.

9. Beyond MSY: a consideration of definitions of management objectives

   already recruited M is the losses due to natural mortality and C is the catch. In this formulation ... be met by taking an amount R-S t' so that the escapement (i.e. recruitment op less catch) will ... MSY is equal to the minimum catch, occurring after poor environmental conditions. It may also be ... ' the value giving maximum yield per recruit, is the extreme upper limit, but for most purposes ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 299-322 : Autor(es): Gulland, J.A.

10. Notes on the use of virtual population analysis for stock assessment of the mackerel icefish, Champsocephalus gunnari (Lönnberg, 1906) in Subarea 48.3 for the 1990/91 and 1991/92 seasons

    old fish. Negligible catch was reported for 1990/91, hence projections to 1991/92 predicted that the ... would form a considerable proportion of the catch. The observed age distribution from a stock ... . gunnari population in Subarea 48.3. Closure of the fishery in 1991/92 resulted in no commercial catch in ... method of standardising the survey indices to account for variations in the commercial catch between the ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 49–79 : Autor(es): Parkes, G.

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