Результаты поиска
-
An evaluation of reduced target strength estimates reported for krill (Euphausia superba)
on the same experiment and report new calculations of the target strength of krill (Euphausia superba ... ) that propose questioning previous measurements of krill target strength and estimates of abundance ... derived from them. Their results can be shown to have significant weaknesses in both data used and ... important, given that they are being cited as a basis for increasing the estimates of krill standing stock ...
Meeting Document : WG-KRILL-90/13 : Автор(ы): M.C. Macaulay (USA)
-
Factors to consider in developing management measures for krill
krill fisheries. Various possible elements of procedures such as reactive, predictive, and feedback ... in developing management measures for krill Approval: Approved ...
Meeting Document : WG-KRILL-90/14 : Автор(ы): W.K. de la Mare (Australia)
-
Chilean krill fishery: analysis of the 1991 season
Abstract: This paper summarized the chilean catch data for 1991. Especial emphasis is given to ... the analysis of haul-by-haul data and its use in understanding small scale spatial distribution of ... fishing grounds. The results show that the krill fishery in subarea 48.1 is particularly intense near CEMP ... sites. Other uses of haul-by-haul data are suggestted. Author(s): Victor H. Marín et. al. Title ...
Meeting Document : WG-KRILL-91/39 : Автор(ы): Victor H. Marín et. al.
-
Krill length and age at maturity
identical for krill. Comparisons with length at age data show that females mature in the third year of the ... Abstract: Data from several summer surveys to the Antarctic Peninsula region were analysed to ... calculate length and age at maturity for the Antarctic krill Euphausia superba. L50 values of 34.62 to 35.90 ... mm for female krill are the best estimates for the high spawning season. Males attain sexual maturity ...
Meeting Document : WG-KRILL-93/40 : Автор(ы): V. Siegel (Germany) and V. Loeb (USA)
-
CPUEs, body length and greenness of Antarctic krill during 1987/88 season in the fishing ground north of Livingston Island
from these data. The percentages of “Egui” as an indicator of greenness of krill were too variable ... Paper Title: CPUEs, body length and greenness of Antarctic krill during 1987/88 season in the ... there was a marked change in two kinds of CPUEs, body length and greenness of krill during the fishing ... season, these parameters were examined for each 10-day period of the Japanese krill fishery in the ... that a decrease in krill biomass in this area can be detected from these data. The percentages of ... , although Butterworth (1988) recommended collection of data on the greenness of krill to improve the ... that a decrease in krill biomass can be detected from CPUE data in the area north of Livingston Island ... ANTARCTIC KRILL DURING 1987/88 SEASON IN THE FISHING GROUND NORTH OF LlVINGSTON ISLAND Y. Endo and T ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 323–338 : Автор(ы): Endo, Y. and T. Ichii
-
On the intensity of sampling krill trawl catches
Abstract: This paper uses actual krill length frequency data in an attempt to address the problem ... of determining adequate sample size to obtain representative krill length frequency distributions ... variability and sample decomposition) which may influence length frequency data quality are also considered ... . The attention of WG-Krill is drawn to the following: * All measurements of length from commercial ...
Meeting Document : WG-KRILL-90/27 : Автор(ы): D.G.M. Miller (South Africa)
-
Estimation of krill (Euphausia superba) mortality and production rate in the Antarctic peninsula region
Abstract: A net sampling survey for krill was carried out by RV ‘Meteor’ along the Antarctic ... Peninsula from 26 December 1989 to 14 January 1990. Results were compared with data of an identical survey ... with RV ‘Polarstern’ in 1987/88. Seasonal variation between summer and winter abundance/biomass data ... factor of 1.6 times. Krill mortality was calculated by linearized catch curve analysis and resulted a ...
Meeting Document : WG-KRILL-91/15 : Автор(ы): Delegation of Germany
-
Distribution characteristics of krill aggregations in the fishing ground off Coronation Island in the 1989/90 season
Paper Title: Distribution characteristics of krill aggregations in the fishing ground off ... Coronation Island in the 1989/90 season Abstract / Description: Distributional characteristics of krill ... biological condition of krill and the performance of the fishery. Investigations were carried out from ... October 1989 to February 1990. An echo sounder was used to assess the characteristics of krill ... Material and Data on Antarctic Krill in situ" (Moscow, VNIRO, 1982). Sea surface temperature was ... since only data from one season have been examined. Distributional characteristics of krill swarms ... WG-KRILL-90/20 DISTRIBUTION CHARACTERISTICS OF KRILL ... fishing ground were examined in relation to environmental factors, the biological condition of krill and ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 49–73 : Автор(ы): Kasatkina, S.M. and V.I. Latogursky
-
Krill catch distribution in relation to predator colonies 1987 to 1992
Abstract: The distribution of krill catches in relation to land-based predator colonies ... , calculated from CCAMLR fine-scale data, is shown for Subareas 48.1 and 48.2. The pattern of catches in 1992 ... -distance’). Although data reporting was not complete for Subarea 48.2 in 1992, it was estimated that 38% of ... the total exploitation of krill in these two subareas respectively. Author(s): Secretariat Title ...
Meeting Document : WG-KRILL-93/10 : Автор(ы): Secretariat
-
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 ... Southern Ocean. Southern Ocean Fisheries Survey Programme. FAO Document GLO/S0/77/1. Everson, I. and C ... SURFACE WATER CIRCULATION IN KRILL FISHING AREAS NEAR THE SOUTH SHETLAND ISLANDS T. Ichii and M ... . Naganobu National Research Institute of Far Seas Fisheries 5-7-1, Orido, Shimizu, 424 Japan Abstract ... at a depth of 30 m to assess flow patterns at the depth range where krill tended to be most abundant ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 125–136 : Автор(ы): Ichii, T. and M. Naganobu
Страницы
- « первая
- ‹ предыдущая
- …
- 166
- 167
- 168
- 169
- 170
- 171
- 172
- 173
- 174
- …
- следующая ›
- последняя »