Результаты поиска
-
Remarks on the natural mortality of Dissostichus eleginoides in Subarea 48.3
Paper Title: Remarks on the natural mortality of Dissostichus eleginoides in Subarea 48.3 ... Abstract / Description: Natural mortality (M) of Dissostichus eleginoides was calculated after Sparre ... differences in M between fishing sites. On the other hand, when comparing various mean values of M for the ... curve hooks No. 14 and straight hooks No. 22. The general mean value of M calculated for the 44 analysed ... ) of Dissostichus eleginoides was calculated after Sparre (1989) from the data obtained during the ... sites. On the other hand, when comparing various mean values of M for the different cases, it was ... straight hooks No. 22. The general mean value of M calculated for the 44 analysed situations was 0.14 ... Scientific Papers, 1992 (SC-CAMLR-SSP/9). CCAMLR, Hobart, Australia. (See this volume). AGUAYO, M., 1992 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 21–30 : Автор(ы): Moreno, C.A. and P.S. Rubilar
-
A quantified Bayesian Maximum Entropy estimate of Antarctic krill abundance across the Scotia Sea and in small-scale management units from the CCAMLR-2000 Survey
Paper Title: A quantified Bayesian Maximum Entropy estimate of Antarctic krill abundance across ... : A probabilistic Bayesian Maximum Entropy (MaxEnt) technique was used to estimate the abundance of ... Survey of Area 48 (CCAMLR-2000 Survey) and to map the density distribution of krill across the survey ... area. Density values for the unsurveyed off-transect portions of the survey area were inferred, and ... than was available to the authors of these previous papers. The standard deviation for each pixel ... biomass estimate of 109.4 million tonnes. This paper presents a biomass estimate, based on the Demer and ... ) can – after some mathematical work (see Skilling, 1992) which is beyond the scope of this paper – be ... , not only those estimated in this paper but also more fundamental elements such as the shape of the ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 97–116 : Автор(ы): Heywood, B.G., A.S. Brierley and S.F. Gull
-
Fishing intensity of the Soviet fleet in krill fisheries in the southern Atlantic (Subareas 48.2 and 48.3)
Paper Title: Fishing intensity of the Soviet fleet in krill fisheries in the southern Atlantic ... (Subareas 48.2 and 48.3) Abstract / Description: This paper provides an assessment of the impact of the ... % of the total catch. The calculations were based on haul-by-haul data from the Soviet fleet, using a ... probability statistical theory of fishery systems developed at AtlantNIRO. The impact of the commercial fleet ... 236000, Russia Email – ks@atlant.baltnet.ru Abstract This paper provides an assessment of the impact of ... (2003): 15–35 15 FISHING INTENSITY OF THE SOVIET FLEET IN KRILL FISHERIES IN THE SOUTHERN ATLANTIC ... to more than 95% of the total catch. The calculations were based on haul-by-haul data from the ... Soviet fl eet, using a probability statistical theory of fi shery systems developed at AtlantNIRO. The ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 15–35 : Автор(ы): Kasatkina, S.M. and V.F. Ivanova
-
A composite recruitment index to describe interannual changes in the population structure of Antarctic krill at South Georgia
structure of Antarctic krill at South Georgia Abstract / Description: A composite recruitment index based ... and length data are derived from standard station net hauls only. Comparison of these indices showed ... substantial differences, due in part to bias arising from a large number of krill in just one of the station ... net hauls. Therefore, when the number of station net hauls is limited, bias is likely to be reduced if ... Peninsula region have been presented in a series of papers by Siegel and coworkers (Siegel and Loeb, 1995 ... papers are used as the basis for the present analysis. The positions of net hauls used in the analysis ... calculate recruitment indices (de la Mare, 1994). In this paper I consider a series of British Antarctic ... their very nature, do not provide a measure of average krill density. In this paper I therefore first ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 71–84 : Автор(ы): Watkins, J.L
-
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 ... for the calculations is that the probability that the krill spawning biomass drops below 20% of its ... median pre-exploitation level over a 20 year period of harvesting should equal 10%. The value of, λ ... depends strongly on the value of M (natural mortality) and σ R (recruitment variability), and also on the ... simulation study of krill fishing by an individual Japanese trawler. In: Selected Scientific Papers, 1988 ... range of plausible values for pertinent parameters. This paper reports the results of calculations ... . The calculations of this paper have assumed krill fishing over the summer season. In certain ... POTENTIAL YIELD OF KRILL FROM BIOMASS SURVEY RESULTS D.S. Butterworth* , A.B. Punt* and M. Basson ...
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
-
Distribution and population structure of Dissostichus eleginoides and D. mawsoni on BANZARE Bank (CCAMLR Division 58.4.3b), Indian Ocean.
Paper Title: Distribution and population structure of Dissostichus eleginoides and D. mawsoni on ... composition, sex ratio and sexual maturity of Dissostichus eleginoides and D. mawsoni from BANZARE Bank were ... shallower banks (<1 000 m), while D. mawsoni was caught on deeper slopes (>1 500 m). Separation of the ... two species by depth may be related to physical intolerance to cooler temperatures because of the lack ... Governance and Management of Deepsea Fisheries. Part 2: Conference poster papers and workshop papers. FAO ... seamounts, between 50 and 60°S, and on the Patagonian Shelf and the southern coast of Chile to 30°S ... POPULATION STRUCTURE OF DISSOSTICHUS ELEGINOIDES AND D. MAWSONI ON BANZARE BANK (CCAMLR DIVISION 58.4.3B ... ), INDIAN OCEAN K. Taki, M. Kiyota National Research Institute of Far Seas Fisheries Fisheries Research ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 145–153 : Автор(ы): Taki, K., M. Kiyota, T. Ichii and T. Iwami
-
Some comments on the procedure for testing estimators of krill abundance which utilise survey data
Paper Title: Some comments on the procedure for testing estimators of krill abundance which ... utilise survey data Abstract / Description: Since krill distributional data do show evidence of spatial ... correlation, estimators of abundance which attempt to model such effects (such as those based on Kriging ... computer generation of krill distribution patterns, which are compatible with existing information on the ... of their paper. There are significant differences between day- and night-time distribution patterns ... purposes of the simple analyses of this paper, these complications will be overlooked. If the krill ... TESTING ESTIMATORS OF KRILL ABUNDANCE WHICH UTILISE SURVEY DATA D.S. Butterworth*, D.L. Borchers* and ... D.G.M. Miller** * ** Abstract Since krill distributional data do show evidence of spatial ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 191–205 : Автор(ы): Butterworth, D.S., D.L. Borchers and D.G.M. Miller
-
The CCAMLR-2000 Krill Synoptic Survey: a description of the rationale and design
Paper Title: The CCAMLR-2000 Krill Synoptic Survey: a description of the rationale and design ... Abstract / Description: The design of the CCAMLR-2000 Krill Synoptic Survey (CCAMLR-2000 Survey) is ... described. The primary objective of the survey was to improve estimates of the pre-exploitation biomass of ... the north of the Antarctic Peninsula (CCAMLR Statistical Subareas 48.1,48.2,48.3 and 48.4). Within ... the distribution is complex (illustrated by a variety of datasets and published papers e.g. Ichii et ... considerable. The primary purpose of this paper is to describe the procedures used to design the synoptic ... KRILL SYNOPTIC SURVEY: A DESCRIPTION OF THE RATIONALE AND DESIGN P.N. Trathan W , J.L. Watkins ... PO Box 271, La Jolla, Ca. 92038, USA M. Naganobu and S. Kawaguchi National Research Institute of ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 1–23 : Автор(ы): Trathan, P.N., J.L. Watkins, A.W.A. Murray, A.S. Brierley, I. Everson, C. Goss, J. Priddle, K. Reid, P. Ward, R. Hewitt, D. Demer, M. Naganobu, S. Kawaguchi, V. Sushin, S.M. Kasatkina, S. Hedley, S. Kim and T. Pauly
-
Cephalopods: Trophic modelling of the Ross Sea
. Bradford-Grieve and S.M. Hanchet. 2010. A balanced model of the food web of the Ross Sea, Antarctica ... Description / Abstract: A supporting document to the CCAMLR Science paper: M.H. Pinkerton, J.M ... on growth in the natural population. Selected Papers, International Commission of Northwest Atlantic ... England, 1974-1979. Selected Papers, International Commission of Northwest Atlantic Fisheries 5: 31-36 ... as a sampling tool, the paper by Ainley et al. (1984) shows high prevalence of squid in seabird ... 1 Cephalopods: Trophic modelling of ...
Document : Site Section: Publications
-
Spawning locations of mackerel icefish at South Georgia
Paper Title: Spawning locations of mackerel icefish at South Georgia Abstract / Description ... : Historical information on the distribution of spawning and larval mackerel icefish (Champsocephalus gunnari ... data from commercial fisheries and research surveys. It is concluded that there is strong evidence of ... inshore spawning at South Georgia during April within and close to the bays on the north side of the ... LOCATIONS OF MACKEREL ICEFISH AT SOUTH GEORGIA I. Eversonm, A.W. North, A. Paul, R. Cooper and N.C ... Historical information on the distribution of spawning and larval mackerel icefish (Cl~ninpsocepknlus ... evidence of inshore spawning at South Georgia during April within and close to the bays on the north side ... of the island. Some spawning almost certainly occurs over much of the island shelf, althougl~ this ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 107–118 : Автор(ы): Everson, I., A.W. North, A. Paul, R. Cooper, N.C. McWilliam and K.-H. Kock
Страницы
- « первая
- ‹ предыдущая
- …
- 321
- 322
- 323
- 324
- 325
- 326
- 327
- 328
- 329
- …
- следующая ›
- последняя »