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The foraging range of Adélie penguins at Béchervaise Island, Mac. Robertson Land, Antarctica, and its overlap with the krill fishery
when the sea became ice free to the coast. Concentrations of krill, Euphausia superba, which have in ... . Robertson Land Coast (approximately 150 000 pairs) and any future harvest of krill in the region. The ... in the South Shetland and South Orkney Islands and reflects the distance offshore of krill, one of ... Paper Title: The foraging range of Adélie penguins at Béchervaise Island, Mac. Robertson Land ... the sea became ice free to the coast. Concentrations of krill, Euphausia superba, which have in the ... . Robertson Land Coast (approximately 150000 pairs) and any future harvest of krill in the region. The ... birds in the South Shetland and South Orkney Islands and reflects the distance offshore of krill, one ... must remain in the colony to brood, guard and feed their chicks and the frequency of feeding visits ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 337–344 : Author(s): Kerry, K.R., J.R. Clarke and G.D. Else
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The foraging range of Adélie penguins – implications for CEMP and interactions with the krill fishery
KaPTe KOnOHHXX. H306a~b1 OTpaXaI@T rny6ki~Hble HHTepBanbl B 500 M. (b) 0 6 ~ ~ @ 2 BbInOB KpHnX ... ); H (C) MblC ~AMOHCOH. O6WHfi BbInOB KPMJIX B K ~ X A O ~ ~ KneTKe B 0,5" WHpOTbI Ha 1" AOnrOTbI 323 ... Paper Title: The foraging range of Adélie penguins – implications for CEMP and interactions with ... the krill fishery Abstract / Description: This paper presents a summary of the foraging locations of ... -scale krill catch data for the regions of interest. The potential for overlap with krill fishing occurs ... particularly where ice conditions permit the fishing fleet to approach the edge of the continental shelf or ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 75–87 : Author(s): Kerry, K.R., J.R. Clarke, S. Eberhard, H. Gardner, R.M. Lawless, S. Corsolini, S. Focardi, E. Franchi, D. Rodary and R. Thomson
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Breeding numbers and success of Eudyptes penguins at Marion Island, and the influence of mass and time of arrival of adults
on the same day by the same observer and the mean was calculated. For each season, breed- ing success ... not be weighed a second time. Means of body masses of adults and chicks, as well as breeding success, were ... and the mean was calculated. For each season, breed- ing success was calculated as the number of chicks ... and Higgins, 1990). At Marion Island, mean culmen length for males is 45.7 ± 1.4 mm and for females 40.6 ... , there was substantial correlation in the numbers of adults breeding at study colonies of macaroni ... Oscillation event of 1997/98, there was no significant correlation in mass on arrival between the two species ... Paper Title: Breeding numbers and success of Eudyptes penguins at Marion Island, and the ... filholi) over 22 years, suggesting that overwintering conditions may influence the proportions of birds ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 175–190 : Author(s): Crawford, R.J.M., B.M. Dyer, J. Cooper and L.G. Underhill
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Assessing the power to detect systematic change in Adélie penguin foraging trip duration
for change based on the difference between pre- and post-impact means generally performed better than a test ... for change based on the difference between pre- and post-impact means generally performed better than a test ... and ramp). A test for change based on the difference between pre- and post-impact means generally ... in mean duration of foraging trips The consequence of an impact on foraging trip time is presumed ... to result in one of the following changes: (i) a ‘step’ change in which the mean forag- ing trip time rises ... there is a constant rate of increase for a number of years, after which the mean level remains constant. Monitoring ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 201–215 : Author(s): Southwell, C., J. Clarke and L.M. Emmerson
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Estimating optimal observer coverage in the Antarctic krill fishery
estimate parameters of interest, in this case the mean (or median) krill length and the rate of larval fish ... and between-haul variance was estimated. For krill mean length and larval fish by-catch rate, between-vessel ... estimate parameters of interest, in this case the mean (or median) krill length and the rate of larval fish ... and between-haul variance was estimated. For krill mean length and larval fish by-catch rate, between-vessel ... to reliably estimate parameters of interest, in this case the mean (or median) krill length and the rate ... . Between-vessel and between-haul variance was estimated. For krill mean length and larval fish by-catch ... mortality of, seabirds, seals and cetaceans (SC-CAMLR, 2007). In 2009, CCAMLR agreed a conservation ... (CCAMLR, 2009; Conservation Measure 51-06). This agreement was contingent on the Scientific Committee ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 139–154 : Author(s): Agnew, D.J., P. Grove, T. Peatman, R. Burn and C.T.T. Edwards
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The fishery for Patagonotothen brevicauda guntheri in CCAMLR Subarea 48.3
species. The small size of P.b. guntheri means that they can only be caught with net meshes so small ... . The small size of P.b. guntheri means that they can only be caught with net meshes so small that they would ... the South Georgia catches were almost certainly of another species. The small size of P.b. guntheri means ... utilizaron redes ilegales para tales efectos. 1. IN1RODUCfION During the past ten years there has been ... in Table 1. In 1988 CCAMLR introduced Conservation Measure 12NII which limited the total catch ... (Conservation Measure 16NIII). At the end of the fishing season catch and effort data, which include location ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 275–283 : Author(s): Everson, I. and C. Mitchell
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Precautionary measures for a new fishery on Martialia hyadesi (Cephalopoda, Ommastrephidae) in the Scotia Sea: an ecological approach
. A conservative estimate for total annual consumption of M. hyadesi by higher predators in the Scotia Sea is 245 ... that the timing and catches of the fishery should be highly conservative and set taking into account the timing ... during their breeding seasons. A conservative estimate for total annual consumption of M. hyadesi ... conservative and set taking into account the timing of breeding and consumption rates of the most sensitive ... comprehensive sampling can be carried out during their breeding seasons. A conservative estimate for total ... should be highly conservative and set taking into account the timing of breeding and consumption rates ... , a TaKXe o 6 1 ~ ~ i i .QoI lyc~H~b l~ BbInOB. ~ O ~ ~ I I I M H C T B O MSyYaBUIMXCR BHAOB- XUIQHHKOB ... . 3aKpblTHe IIpOMbICna A 0 IIOCTynneUHR cnenywwero noKoneHMx KanbMapoe B n p o ~ b ~ c n o ~ b ~ f i sanac ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 125–139 : Author(s): Rodhouse, P.G
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Target strength studies on Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea
both ex situ and in situ with a mean difference <1.5 dB, although the differences between ... both ex situ and in situ with a mean difference <1.5 dB, although the differences between ... kHz, can predict the experimental TS measured both ex situ and in situ with a mean difference <1.5 dB ... prédire le TS expérimental, mesuré tant ex situ qu'in situ, avec une différence moyenne de <1,5 dB bien ... 165 210 Mean 110.0 129.4 140.6 156.9 184.4 SD 5.3 3.2 6.8 5.3 12.9 Number of trials ... 205 130 150 165 200 Length (mm) 155 175 Mean 125.0 147.5 166.3 188.3 202.5 SD 5.0 6.5 ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 75–104 : Author(s): Azzali, M., I. Leonori, I. Biagiotti, A. De Felice, M. Angiolillo, M. Bottaro and M. Vacchi
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Biological parameters for icefish (Chionobathyscus dewitti) in the Ross Sea, Antarctica
a significantly larger mean asymptotic maximum size than males. Maximum ages of 8 and 11 years were obtained ... approached a significantly larger mean asymptotic maximum size than males. Maximum ages of 8 and 11 years ... . Fish growth was rapid for both sexes, and females approached a significantly larger mean asymptotic ... = the regression model parameters for sex x εj,x = independent, identically-distributed normal errors with mean ... as the start date of each longline set. Mean length-at-age The re-parameterised von Bertalanffy submodel ... obtained from the generalised Schnute (1981) mean length-at-age model was fitted to the data ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 139–165 : Author(s): Sutton, C.P., M.J. Manning, D.W. Stevens and P.M. Marriott
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Krill (Euphausia superba) distribution in relation to water movement and phytoplankton distribution off the northern South Shetland Islands
by means of hydroacoustics. Phytoplankton distribution was assessed by measuring surface concentrations ... estimation was done by means of hydroacoustics. Phytoplankton distribution was assessed by measuring surface ... biomass in the area surveyed. Krin biomass estimation was done by means of hydroacoustics. Phytoplankton ... the whole survey, excluding time spent for station measurements and net towing, the mean volume back ... low (0.2 to 0.3 mg/m3) in the oceanic waters. 3.3 Hydroacoustic Surveys Mean krill density ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 123–140 : Author(s): Ichii, T., H. Ishii and M. Naganobu