Search results
-
Analysis of the diet of Champsocephalus gunnari at South Georgia in late summer from 1994 to 1997, Dr Eduardo L. Holmberg surveys
no BaXHOCTA B PaUHOHe C. gunnari 3TI.1 BkiAbl IIOMeHRnACb MeCTaMA. no~pe6JIe~Me ApyrAX ... (41%) Number of Stations Sampled Processed 7 7 54 37 6 5 43 32 7 6 30 27 7 7 3 6 31 ... surveys, stomachs were frozen at -30°C and later examined at the Instituto Antiirtico Argentino ... , 1995). In 1996 and 1997 fish between 16 and 20 cm predominated; in 1997 a peak between 25 and 30 cm ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 103–123 : Author(s): Barrera-Oro, E., R. Casaux and E. Marschoff
-
Further computations of the consequences of setting the annual krill catch limit to a fixed fraction of the estimate of krill biomass from a survey
&incertitude d'un certain nombre de paramPtres du modele forme le dkveloppement le plus important. Les ... nPOMbICnOBblX Ce30Ha. A O ~ O I I H ~ H M I ~ K MOAeJIU, 3anpOWeHHbIe Ha T p e T b e ~ COBeLIJaHMM ... the range [a, bl. Instead of knife-edge forms for the selectivity and maturity-at-age functions ... are shown primarily in graphical form, with this probability plotted against y (or 6). Thus, Figure ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 81–106 : Author(s): Butterworth, D.S., G.R. Gluckman, R.B. Thomson, S. Chalis, K. Hiramatsu and D.J. Agnew
-
The status of krill (Euphausia superba DANA) resources in CCAMLR Statistical Divisions 58.4.2 and 58.4.3 from 1988 to 1990. Results of acoustic surveys
coastal waters of the area (south of 65°30'S). Until 1988 krill biomass was determined by a technique ... scientific trawl with a 30 sq. m opening. Trawling speed was 2.5 to 3.0 knots. During the night when krill ... 1). Mean density in the area was 48 g/m2 (Table 1). Dense but unstable concentrations of krill in the form ... ° and 62°30'E. Daily catches by scientific survey vessels varied within a range of 10 to 35 tonnes ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 163–173 : Author(s): Bibik, V.A. and V.N. Yakovlev
-
The error of the biomass estimate as a function of survey parameters and the statistics of a density field of krill aggregations
MoryT Ha npaKTHKe Hcnonb30BaTbCH KaK~nH nocne~y~ero onpeAeneHHH oum6KH, c~enaHHoA npH BblqHCneHHH ... rHAPoaKYCTHqeCKOA C'beMKH napaMeTpbl aHH30TponHH, paAHYC KoppennqHH B~onb pa3pe30B H K03~HqHeHTbI BapHaTHBHOCTH ... KoppenHqHoHHoro 3nnHnca H qaCTOTa pa3pe30B (ceKqRA) CnY>KaT napaMeTpaMH C'beMKH. OnHcaHHble 3AeCb COOTHoweHHH ... () can be rewrit- ten in a different form: 1) . .¥ lJ =~, h ~ A('l.,.) 1 S nx !f 'Ft l-J. In case ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 213-228 : Author(s): Kizner, Z.I.
-
Preliminary appraisal of Antarctic fish selection by the 32/36 bottom trawl combined with various codends
. B nepBYIO O'IepeAb 3TO 6bIJIO Bbl3BaHO I1CnOJIb30BaHl1eM THmeJIOrO ceTHoro nOJIOTHa npl1 I1X ... forming codend walls while a double-layer construction consisted of two types of net materials : the net ... not be generalized. - 6 - All investigated codends were 4-wall constructions, widening in the front to form ... a standard commercial codend with 4 splitting straps made of a rope with a thickness of 30 mm (version ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 1-48 : Author(s): Zaucha, J.
-
The use of analysis of penguin stomach contents in simultaneous study of prey and predator parameters
aHaJIH3Y. BbIJIa BbI5IBJIeHa Ba)l{Ha5I JIHHeHHa5I perpeCCHBHa5I 3aBHCHMOCTb Me)l{.llY pa3MepOM KPHJI5I ... 1-.............. _ .... " ................ " .... " .... " .......... " .... " .......... " ......... -......... " ................ " .... " ............... " .... " ................... " .... -........... " .... ~ .... -........... --............ " ..................... " .......... " ......... . . -.-.•• ~ ..••.••.•...••.• H._ ••..••• ~ ••••..•.•• a ...... ~.~ ••.... 30 ... 1-............. _ .......... _ .... " ...... --............................................... " .... -................................ " ...................... " .... " .... " .............................. " ............... " ................ " .......... " ..................... " .... " .............. .. 1 0 1-.. "'" .' .'"."."." " ....... "--.... '" .. " .. " ............ " . --. " .. ""." .......... " ... "." ..... " .... -.. " .. --." .. --............... ' ... " ---......... " ............. " ..... -.. " .. ,,' ...... . .._ ...... o IL-______________ L-______________ ~ ______________ J-______________ ~ o 10 20 30 40 dec 13 1987 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 367–375 : Author(s): Marschoff, E. and B. González
-
The biology, ecology and development of fishery management advice for the anomuran crabs at South Georgia (CCAMLR Subarea 48.3)
Survey High Cross, Madingley Road Cambridge CB30ET United Kingdom Email – markb@bas ... - ence at South Georgia of P. formosa and P. spino- sissima (which have formed the majority of catches ... data (1990–2010). Catch (kg) KCV 1.0–5.0 5.1–15.0 15.1–30.0 30.1–55.0 Catch (kg) KCF 0.1 ... –0.5 05.1–2.50 2.51–10.00 10.10–20.00 44°15'W 43°30'W 42°45'W 42°0'W 41 ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 1–15 : Author(s): Belchier, M., T. Peatman and J. Brown
-
Spatial distribution of management measures, Antarctic krill catch and Southern Ocean bioregions: implications for conservation planning
Email – suan@bas.ac.uk Abstract Systematic conservation planning for developing marine spatial ... to that of an MPA, or imply any form of systematic planning for the conservation of biodiversity. Catch limits ... extent) (SC-CAMLR-XXX, paragraphs 5.30 to 5.66). The collation of information on the spatial extent ... of bioregions under particular forms of management, they do not necessarily reflect actual fishing ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 1–19 : Author(s): Grant, S.M., S.L. Hill and P.T. Fretwell
-
Distribution of fish larvae at South Georgia: horizontal, vertical, and temporal distribution and early life history relevant to monitoring year-class strength and recruitment
HCcJJeAoBaHHHx paHHI1X cTaAI1H )K113HeHHOI'0 ~11J<:JIa aHTapJ<:TI1"1ecJ<:l1x PbI6 B paHOHe iO>R:HoH reoprl1l1 ... to the south of South Georgia (Figure 5). Pseudochaenichthys georgianus larvae of 12-30 mm SL were found ... although they were moderately abundant in Cumberland East Bay about one month later when they were 10-30 ... by horizontal tows of 30 minutes duration using a Foredeck Net (FNet) (1 m2 , 4.5 mm mesh) fished alongside ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 105-141 : Author(s): North, A.W.
-
An index of per capita recruitment
additional bias. On average, PCR will underestimate recruits per spawner by 30% if reasonable assumptions ... . On average, PCR will underestimate recruits per spawner by 30% if reasonable assumptions are made regarding ... . On average, PCR will underestimate recruits per spawner by 30% if reasonable assumptions are made regarding ... dans la forme de la relation fonctionnelle entre les reproducteurs et les recrues. Le PCR est biaise ... , le PCR sous-estimera les recrues par reproducteur de 30% si les hypothPses avancPes sont ... l'introduction de cycles sous la forme de relation fonctionnelle entre les reproducteurs et les recrues. Le PCR ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 179–196 : Author(s): Hewitt, R