Search results
-
Analysis of results from demersal fish surveys at South Georgia, undertaken by the United Kingdom and the USSR, January and February 1990
40 30 20 10 0 f 0 1 2 3 4 5 6 7 Catch (tonnes) of C. gunnarl One haul not included ... : 40 tonnes urvey 8 9 70 AkademiJc Knipovich Survey 60 - 50 - 10 - 30 - 20 - 10 ... B 53.68 37.58 B 53.70 37.08 * B 53.65 37.23 ** C 53.89 37.27 53 30 36 0 B 53.90 36.20 B 53.90 36.27 ... . B ,ztaHHOM ,ztoKYMeHTe onucblBaeTC5I, KaKUM 06pa30M ~aHHbIe no KpynHbIM YJIOBaM ytluTblBaJIUCb npu aHaJIU3e ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 223–254 : Author(s): (Report of a Joint UK/USSR Workshop, 23 to 27 July 1990)
-
Preliminary study on nesting Adélie penguins disturbance by unmanned aerial vehicles
Vigilance/anxiety Aggression 100 90 80 70 60 50 40 30 20 10 0 S ku a C om bu st io n ov er ... , for example weather or skua attacks. The best option is a 20–30 minute recording with the overflight around ... Department of Geoinformatics, Cartography and Remote Sensing Krakowskie Przedmieście 30, 00-927 Warsaw ... ; Goebel et al., 2015). The rapidly growing use of UAVs in ecological research and monitoring is raising ...
Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 1–16 : Author(s): Korczak-Abshire, M., A. Kidawa, A. Zmarz, R. Storvold, S.R. Karlsen, M. Rodzewicz, K. Chwedorzewska and A. Znój
-
Otolith and body size relationships in the mackerel icefish (Champsocephalus gunnari)
regression model allowing for parallel lines for each year (F4.846 = 30.57, p < 0.001); including extra ... , designated by the year in which the samples were obtained, for the research surveys were: 6 to 26 January ... data, and analyses of covariance were used to assess variability in model fits between years. Note ... to all years (1.79 to 3.75 mm) showed that the loglo-transformed data were best described by a linear ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 117–123 : Author(s): Everson, I., B. Bendall and A. Murray
-
Distribution and abundance of Macrourus carinatus on BANZARE Bank in the southern Indian Ocean
of the family Macrouridae (rat tails and grenadiers) have become common by-catch species in recent years due ... was between 670 and 1 540 m. The average tow speed was 3 knots and standard haul duration was 30 minutes ... Ocean Basin Projection: Lambert Conic Conformal Scale 1 : 20 000 000 Standard Parallels: 52-33 ... and weight of females. Vopr. Ikhtiol., 20: 954-956. MacPherson, E. 1979. Ecological overlap between ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 171–178 : Author(s): van Wijk, E.M., A.J. Constable, R. Williams and T. Lamb
-
The utilization of seabird censuses for krill monitoring
, TaKMM 06pa30M, HBMTCH Jl~eKTI1BHbIM cpeACTBOM AnH llonyqeHMH CTaTWCTWqeCKWX KpMTepweB 3HaqWMOCTM ... the pressure of fisheries. It was the case with whales, seals, fishes, etc. While the mentioned species ... conditions in two consecutive years. Moreover, other parameters of value to the ecosystem are still less ... of R/V Dr Eduardo L. Holmberg taken together with acoustic records of krill abundance were studied by some ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 393-425 : Author(s): Marschoff, E.R., J.G. Visbeek and L.R. Fontana
-
Spawning locations of mackerel icefish at South Georgia
INTRODUCTION Over the past 30 years there has been a fishery, large in some seasons, for mackerel icefish ... was caught on 16 March, five more on the following day, two on 20 March and 14 on 30 March. 011 5 April ... in February of the same year. Further evidence that spawning occurs in the inshore waters has come from ... a regular grid of 42 stations spaced at 30 n mile (55 km) intervals was sampled over the Soutl-t Georgia ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 107–118 : Author(s): Everson, I., A.W. North, A. Paul, R. Cooper, N.C. McWilliam and K.-H. Kock
-
The CCAMLR-2000 Krill Synoptic Survey: a description of the rationale and design
. Full analysis of the results of the CCAMLR-2000 Survey will take several years and will result ... . Full analysis of the results of the CCAMLR-2000 Survey will take several years and will result ... analysis of the results of the CCAMLR-2000 Survey will take several years and will result in a significant ... Eastern Scotia Sea 62'5, 40°W 0" 49"s 62"s 56"W 20°W Antarctic Peninsula 65"S, 50°W 330" 52"s 68"s 79 ... Sea WGS84 Metres 54"30'S 59"30fS 40°W 62"W 0, 0 Antarctic Peninsula WGS84 Metres 59'30's 64'30'5 50 ... 30.00 6.25 4.50 15.75 17.50 South Georgia2 29.25 0.75 6.50 9.25 17.50 South Orkney Islands2 7.75 18.25 ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 1–23 : Author(s): 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
-
Diet of the Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (Subarea 88.1)
and, as in the previous year, the remainder were largely partly full (15% held traces of food, 20% held small amounts ... on targeted line sets, and exceeded 30 fi sh during exploratory line sets. Stomachs from 3 937 D. mawsoni ... and 2002 fishing seasons was higher than mentioned in the text (and in Tables 1 and 2) as data were ... 120 140 160 180 200 N um be rs o f f is h 0 20 40 60 80 100 120 males n = 1 671 x = 112.9 ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 113–123 : Author(s): Fenaughty, J.M., D.W. Stevens and S.M. Hanchet
-
Catch-at-age analysis applied to new fisheries: the case of Dissostichus eleginoides
); and • fishing mortality is separable by age (Doubleday, 1976). Catch-at-age for all recruited year classes ... survey duration (in years) R = recruitment t r = age at recruitment t m = terminal age L\ = time ... between the beginning of the year and the beginning of the research survey ... available for two years (1991 and 1992), which could be analysed independently, extending the evaluation ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 3–9 : Author(s): Zuleta, A.V. and C.A. Moreno
-
Factors that may influence the accuracy of abundance estimates from CCAMLR tag-recapture programs for Dissostichus spp. and best practice for addressing bias
programs that are currently active in CCAMLR are identified. CCAMLR Science, Vol. 20 (2013): 63–72 63 ... to the total population in a closed and fully mixed population will be equal to the ratio of tagged animals ... in a sample to the total sample size: M R N C = (1) where M is the total number of tagged animals ... number of tagged animals recaptured in a sample, and C is the total number of animals caught ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 63–72 : Author(s): Welsford, D.C. and P.E. Ziegler