Search results
-
Research currently being undertaken by the Republic of South Africa on "dependent and related species" within the Antarctic marine ecosystem
000 breedin~ King Pens:uins, account.ins for some 10 and 30 Per cent, re:;pectivelY, of the wor ... principal ne las estudios que se est.in efectuando cs mejorar nuestra - GO - comprensi6n de la ... ~,e,nch Institut(? of the Universit~ of' Pretoria SP@nd UF' to three mont.h~; each Year in the Antarctic ... in the South Indian Ocean stud~ins the mam~als In these re9ion5. Bet•m!a'n visits the~ carr'cl out tab!)rator ... seabirds) and their prey (especially krill and squid) in the Antarctic, and closely related marine ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 59-77 : Author(s): South Africa
-
Surface areas of seabed within the 500 m isobath regions within the South Shetland Islands (Subarea 48.1)
(61'30's-63'12'S, 56'30'W- 62'36'W). The region around Elephant Island (60'48's-61°36'S, 53"54'W-57"00 ... (UTM zone 20). To compute surface areas, the fine-scale gridded data were converted by GIS software ... 378.30 360.85 351.91 604.70 This Study Planar Area Surface Area 177.97 + 157.91 158.08 223.14 ... in calculated seabed areas from previous studies were likely due to both improved methodology and ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 133–140 : Author(s): Jones, C.D., S.N. Sexton and R.E. Cosgrove III
-
Reproductive performance of seabirds and seals at South Georgia and Signy Island, South Orkney Islands, 1976-1987: implications for Southern Ocean monitoring studies
Y qepHo6pOBOfO, CepOfOJJOBOfO I1 CTpaHcTBy~efo aJJb6aTpOCOB, nanyaccKofO I1 30JIOTOBOJJOCOfO nI1HfBI1HOB I1 IO ... reviewed. Breeding success of the wandering albatross, which breeds in winter and eats fish and squid, has ... South Georgia, which breed in summer and feed extensively on krill, have shown major fluctuations in ... fluctuations in reproductive performance of the krill-eating, summer-breeding penguins at Signy Island are not ... in 1980-81 and 1982-83) with the date of ice break-out in late spring. Numerous parameters of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 445-447 : Author(s): Croxall, J.P., T.S. McCann, P.A. Prince and P. Rothery
-
Analysis and modelling of the Soviet Southern Ocean krill fleet
support the notion of a “patches within patches” model for the distribution of krill in the southern ... catch and effort data provide about krill abundance or how easily can significant changes in krill ... distributions in Part II. General considerations about the theory of abundance indices for pelagic, schooling ... species are discussed. In particular, the importance of the time spent searching for swarms is highlighted ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 127–235 : Author(s): Mangel, M.
-
A simulation study of krill fishing by an individual Japanese trawler
. A major inconsistency is found: haul times are a factor of 4-5 times greater in reality than in the ... abundance indices (generally of a CPUE form) for krill biomass in the 600 n mile square oceanic sector ... modelled are considered, and their performance in response to a variety of ways in which the overall krill ... time) are of low utility in detecting biomass decline. Combination catch rate indices incorporating ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 1–108 : Author(s): Butterworth, D.S.
-
Trawl selectivity for Champsocephalus gunnari
selectivity for mackerel icefish (Champsocephalus gunnari L.), were collected in 1981 in the South Georgia ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 69–75 : Author(s): Efanov, S.F., G.E. Bidenko and V.A. Boronin
-
Genetic variations and population structure of krill from the Prydz Bay region of Antarctic waters
npo6hl 6hInH nonyqeHhl OT ogHOH H TOH ~e pa3MHo~a~eHCH nonynHLtHH KpHnH. Pe3yn hTa ThI 3Toro ... results of this study agree closely with genetic data from other studies on krill in the Atlantic sector ... under the above title in Polar Biology (1986) 6: 233–236. File: 13-MacDonald-et-al.pdf ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 271-273 : Author(s): MacDonald, C.M., R. Williams and M. Adams
-
The error of the biomass estimate as a function of survey parameters and the statistics of a density field of krill aggregations
xapaKTepHCTRK nonH nnOTHOCTH KOHqeHTpaqHA pbl6b1 H OT napaMeTpOB caMoA C'beMKH, 6bInH BblBeAeHbl C nOMO ... 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 ... MoryT Ha npaKTHKe Hcnonb30BaTbCH KaK~nH nocne~y~ero onpeAeneHHH oum6KH, c~enaHHoA npH BblqHCneHHH ... the dependence of relative sampling error in a biomass estimate (from a survey) on the statistical ... (sections) serve as survey parameters. The relationships described here can be used in practice for both a ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 213-228 : Author(s): Kizner, Z.I.
-
Estimating confidence intervals for fish stock abundance estimates from trawl surveys
C.1. < True" OIIpeAeJIeH aHan0rHqHblM o6pa30~ . ~ o c J I ~ A H X X KOnOHKa - o6qee IIpOqeHTHOe OTHOIlleHHe ... the nominal coverage probability. Performance deteriorates in cases where few of the hauls contain ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 203–207 : Author(s): de la Mare, W.K
-
Sexing of adult Adélie penguins by discriminant analysis of morphometric measurements
nOJlOBOH npHHa,llJle)l{HOCTH nHHrBHHOB A,lleJlH HCnOJlb30BaJlC5I ,llHCKpHMHHaHTHbIH aHaJlH3 ... , BbICOTbI KJlIOBa H ,llJlHHbI Cpe,llHerO naJlb~a (87-npo~eHTHa51 TOlJHOCTb). IIPH HCnOJlb30BaHHH TOJlbKO ... del pico, tambien proporcion6 buenos resultados (80% certeza). 1. IN1RODUCTION Penguins do ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 543–549 : Author(s): Scolaro, J.A., Z.B. Stanganelli, H. Gallelli and D.F. Vergani