Результаты поиска

1. Status of the krill stock around Elephant Island in 1991/92 and 1992/93

   Paper Title:  Status of the krill stock around Elephant Island in 1991/92 and 1992/93 Abstract ... / Description:  Krill stock composition and distribution patterns in the vicinity of Elephant Island during the ... . The general distribution of krill length and maturity classes conformed to previous descriptions and ... appears to be a recurring and predictable aspect of the krill stocks in the Antarctic Peninsula region ... CCAMLR Science, Vol. 1: 7-33 STATUS OF THE KRILL STOCK ... Fischerei Palmaille 9,2000 Hamburg 50, Germany Abstract Krill stock composition and distribution ... described and compared with information from previous years. The general distribution of krill length and ... of the krill stocks in the Antarctic Peninsula region. The length frequency distributions and ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 7–33 : Автор(ы): Loeb, V. and V. Siegel

2. Midwater trawl catchability in relation to krill and possible ways of assessing gross catch

   Paper Title:  Midwater trawl catchability in relation to krill and possible ways of assessing ... methodology was developed for and applied to determining the rate of krill filtration through the trawl rope ... and netting and also the probability that krill will come into contact with various parts of the net ... midwater trawls in the krill fishery indicates that the potential exists for this efficiency to be ... WG-KRILL-90/22 MIDWATER TRAWL CATCHABILITY IN RELATION ... TO KRILL AND POSSIBLE WAYS OF ASSESSING GROSS CATCH Yu.V. Zimarev*, S.M. Kasatkina* and Yu.P ... developed for and applied to determining the rate of krill filtration through the trawl rope and netting ... and also the probability that krill will come into contact with various parts of the net as it passes ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 87–113 : Автор(ы): Zimarev, Yu.V., S.M. Kasatkina and Yu.P. Frolov

3. Sources of variance in studies of krill population genetics

   Paper Title:  Sources of variance in studies of krill population genetics Abstract / Description ... :  There has been a long-term interest in the population genetics of Antarctic krill species because of ... resurgence of interest in identifying distinct stocks of swarming krill species has been driven by the ... taken within one region. This has important implications for the design of future studies of krill ... , Vol. 9 (2002): 107–116 107 SOURCES OF VARIANCE IN STUDIES OF KRILL POPULATION GENETICS S.N. Jarman ... krill species because of their ecological and economic importance. The possibility that there are ... conservation. A recent resurgence of interest in identifying distinct stocks of swarming krill species has ... important implications for the design of future studies of krill population genetics, which must be able ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 107–116 : Автор(ы): Jarman, S.N. and S. Nicol

4. Analysis of krill trawling positions north of the South Shetland Islands (Antarctic Peninsula area), 1980/81–1999/2000

   Paper Title:  Analysis of krill trawling positions north of the South Shetland Islands (Antarctic ... commercial krill trawling positions for the 1980/81 to 1999/2000 seasons in the area north of the South ... . Trawling positions seemed to be primarily governed by the distribution of larger mature krill, especially ... quality, such as salp abundance and the proportion of green krill, also seemed to have an increasing ... KRILL TRAWLING POSITIONS NORTH OF THE SOUTH SHETLAND ISLANDS (ANTARCTIC PENINSULA AREA), 1980181 ... of commercial krill trawling positions for the 1980/81 to 1999/2000 seasons in the area north of the ... mature krill, especially at the beginning of fishing operations each season. In summer, biological ... factors that affect product quality, such as salp abundance and the proportion of green krill, also ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 25–36 : Автор(ы): Kawaguchi, S. and K. Segawa

5. Options for allocating the precautionary catch limit of krill among small-scale management units in the Scotia Sea

   Paper Title:  Options for allocating the precautionary catch limit of krill among small-scale ... management units in the Scotia Sea Abstract / Description:  Following an assessment of Antarctic krill ... catch limit for krill among the SSMUs so as to preclude the inadvertent concentration of catches in a ... demand in the SSMU; (iii) estimated standing stock of krill in the SSMU; and (iv) standing stock less ... OPTIONS FOR ALLOCATING THE PRECAUTIONARY CATCH LIMIT OF KRILL AMONG SMALL-SCALE MANAGEMENT UNITS IN THE ... of Antarctic krill (Euphausia superba) in the Scotia Sea, CCAMLR established a precautionary catch ... to subdivide the precautionary catch limit for krill among the SSMUs so as to preclude the ... . 82 krill in the SSMU; and (iv) standing stock less predator demand in the SSMU. The fi fth option ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 81–97 : Автор(ы): Hewitt, R.P., G. Watters, P.N. Trathan, J.P. Croxall, M.E. Goebel, D. Ramm, K. Reid, W.Z. Trivelpiece and J.L. Watkins

6. Midwater trawl catchability as an aspect of a quantitative assessment of krill biomass conducted using a trawl census survey

   Paper Title:  Midwater trawl catchability as an aspect of a quantitative assessment of krill ... catchability and krill distribution patterns. A comparative analysis of trawl catchability for commercial ... high relative error. A standard method for conducting krill trawl census surveys needs to be developed ... total amount of krill entering the trawl should be carried out when selecting trawl construction. File ... WG-KRILL-91/32 MIDWATER TRAWL CATCHABILITY AS AN ASPECT ... OF A QUANTIT ATIVE ASSESSMENT OF KRILL BIOMASS CONDUCTED USING A TRAWL CENSUS SURVEY S.M ... will improve with better knowledge of trawl catch ability and krill distribution patterns. A ... for conducting krill trawl census surveys needs to be developed. Mathematical modelling fishing ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 257–272 : Автор(ы): Kasatkina, S.M.

7. A simple approach for calculating the potential yield of krill from biomass survey results

   Paper Title:  A simple approach for calculating the potential yield of krill from biomass survey ... MB 0 for a krill fishery in which both the fishery and krill growth are seasonal. The criterion used ... for the calculations is that the probability that the krill spawning biomass drops below 20% of its ... WG-KRILL-91/24 A SIMPLE APPROACH FOR CALCULATING THE ... POTENTIAL YIELD OF KRILL FROM BIOMASS SURVEY RESULTS D.S. Butterworth* , A.B. Punt* and M. Basson ... fishery in which both the fishery and krill growth are seasonal. The criterion used for the calculations ... is that the probability that the krill spawning biomass drops below 20% of its median pre ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 207–217 : Автор(ы): Butterworth, D.S., A.E. Punt and M. Basson

8. Surface water circulation in krill fishing areas near the South Shetland Islands

   Paper Title:  Surface water circulation in krill fishing areas near the South Shetland Islands ... with a drogue attached at a depth of 30 m to assess flow patterns at the depth range where krill tended ... distribution of krill catches taken in the area by Japanese vessels during the period from 1981 to 1994. It is ... which contribute to the formation of stable krill concentrations in the area. The observed long-distance ... SURFACE WATER CIRCULATION IN KRILL FISHING AREAS NEAR THE SOUTH SHETLAND ISLANDS T. Ichii and M ... at a depth of 30 m to assess flow patterns at the depth range where krill tended to be most abundant ... of krill catches taken in the area by Japanese vessels during the period from 1981 to 1994. It is ... which contribute to the formation of stable krill concentrations in the area. The observed long ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 125–136 : Автор(ы): Ichii, T. and M. Naganobu

9. Estimation of krill (Euphausia superba) mortality and production rate in the Antarctic Peninsula region

   Paper Title:  Estimation of krill (Euphausia superba) mortality and production rate in the ... Antarctic Peninsula region Abstract / Description:  A net sampling survey for krill was carried out by RV ... reached only a factor of 1:1.6. Krill mortality was calculated by linearized catch curve analysis and ... ratio of 0.88 to 0.94 for different years. The exchange rate of water masses and krill biomass within ... WG-KRILL-91/15 ESTIMATION OF KRILL (EUPHAUSIA SUPERBA ... survey for krill was carried out by RV Meteor along the Antarctic Peninsula from 26 December 1989 to 14 ... interannual variability between available surveys reached only a factor of 1:1.6. Krill mortality was ... exchange rate of water masses and krill biomass within one summer season was roughly estimated as two ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 159–176 : Автор(ы): Siegel, V.

10. Towards an initial operational management procedure for the krill fishery in Subareas 48.1, 48.2 and 48.3

    Paper Title:  Towards an initial operational management procedure for the krill fishery in ... Subareas 48.1, 48.2 and 48.3 Abstract / Description:  An operational management procedure for krill ... on the Krill CPUE Simulation Study. Annual TACs are restricted to an initial ceiling (C c) for a five ... 0.75 CPUE ref. An operating model of krill dynamics in the region is developed for simulation testing ... MANAGEMENT PROCEDURE FOR THE KRILL FISHERY IN SUB AREAS 48.1, 48.2 AND 48.3 D.S. Butterworth ... * * Abstract An operational management procedure for krill (Euphausia superba) in Subareas 48.1, 48.2 and ... provided by the CPUE "Composite Index" proposed by the Workshop on the Krill CPUE Simulation Study ... of krill dynamics in the region is developed for simulation testing purposes. A provisional ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 189–219 : Автор(ы): Butterworth, D.S.

Страницы