Resultados de la búsqueda
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Effects of weather and sea-ice on the reproductive performance of the Adélie penguin at Edmonson Point, Ross Sea
Paper Title: Effects of weather and sea-ice on the reproductive performance of the Adélie penguin ... at Edmonson Point, Ross Sea Abstract / Description: The breeding biology of the Adélie penguin ... seasons. Weather and sea-ice regimes varied notably, especially in 2003, which was characterised by ... extensive and persistent sea-ice and strong winds with snowfalls in December. First incubation trips by ... EFFECTS OF WEATHER AND SEA-ICE ON THE REPRODUCTIVE PERFORMANCE OF THE ADÉLIE PENGUIN AT EDMONSON POINT ... , ROSS SEA S. Olmastroni , F. Pezzo, V. Volpi and S. Focardi Dipartimento di Scienze Ambientali ‘G ... Point, Victoria Land, during the 1999, 2001 and 2003 breeding seasons. Weather and sea-ice regimes ... varied notably, especially in 2003, which was characterised by extensive and persistent sea-ice and ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 99–109 : Autor(es): Olmastroni, S., F. Pezzo, V. Volpi and S. Focardi
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Estimating unaccounted fishing mortality in the Ross Sea region and Amundsen Sea (CCAMLR Subareas 88.1 and 88.2) bottom longline fisheries targeting Antarctic toothfish
Paper Title: Estimating unaccounted fishing mortality in the Ross Sea region and Amundsen Sea ... mortality resulting from the loss of sections of bottom longline gear in the Ross Sea region and Subarea ... incorporated as sensitivity analyses in the 2011 stock assessments for the Ross Sea region and Subarea 88.2 ... the loss of sections of bottom longline gear in the Ross Sea region and Subarea 88.2 Antarc- tic ... , may result in unaccounted mortality of toothfish or other species. In the Ross Sea region and ... surface floats with anchors) with moving sea-ice, but may also result from tidal cur- rents submerging ... FISHING MORTALITY IN THE ROSS SEA REGION AND AMUNDSEN SEA (CCAMLR SUBAREAS 88.1 AND 88.2) BOTTOM ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 17–30 : Autor(es): Webber, D.N. and S.J. Parker
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Sea-surface temperature and krill catches around South Georgia in December–February 1989–1991 and 1999–2001
Paper Title: Sea-surface temperature and krill catches around South Georgia in December–February ... 1989–1991 and 1999–2001 Abstract / Description: Monitoring of sea-surface temperatures (SSTs) in ... of Weddell Sea waters to the northwest of South Georgia and a weakening of the Antarctic Circumpolar ... Current (ACC) infl uence. Under these hydrological conditions, krill that drifted along with Weddell Sea ... . 9 (2002): 165–172 165 SEA-SURFACE TEMPERATURE AND KRILL CATCHES AROUND SOUTH GEORGIA IN DECEMBER ... – sst.ocean@g23.relcom.ru Abstract Monitoring of sea-surface temperatures (SSTs) in Subarea 48.3, which ... a prominent advection of Weddell Sea waters to the northwest of South Georgia and a weakening of ... drifted along with Weddell Sea waters failed to form stable concentrations on the shelf and was ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 165–174 : Autor(es): Vanyushin, G.P
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A balanced model of the food web of the Ross Sea, Antarctica
Paper Title: A balanced model of the food web of the Ross Sea, Antarctica Abstract / Description ... : A quantitative food web of the Ross Sea is presented here as a step towards investigating ecosystem ... information on trophic links across all the major biota of the Ross Sea and tests for data consistency. The ... (Weddell seals, orca, sperm whales) by large amounts throughout the Ross Sea, though the importance of ... MODEL OF THE FOOD WEB OF THE ROSS SEA, ANTARCTICA M.H. Pinkerton, J.M. Bradford-Grieve National ... A quantitative food web of the Ross Sea is presented here as a step towards investigating ecosystem ... quantitative information on trophic links across all the major biota of the Ross Sea and tests for data ... Ross Sea, though the importance of toothfish as prey items to these predators is not tested and ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 1–31 : Autor(es): Pinkerton, M.H., J.M. Bradford-Grieve and S.M. Hanchet
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A hypothetical life cycle for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region
Sea region Abstract / Description: Aspects of the reproduction, size distribution and movements of ... Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region are reviewed. Based on the presumed ... to the north and east of the Ross Sea. The spawning appears to take place during the austral winter ... Sea gyres, and may move west, settling out around the Balleny Islands and adjacent Antarctic ... hypotheticAl life cycle for AntArctic toothfish (Dissostichus mawsoni) in the ross seA region S.M. Hanchet ... reproduction, size distribution and movements of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea ... the ridges and banks of the Pacific-Antarctic ridge to the north and east of the Ross Sea. The ... spawning, eggs and larvae become entrained by the Ross Sea gyres, and may move west, settling out around ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 35–53 : Autor(es): Hanchet, S.M., G.J. Rickard, J.M. Fenaughty, A. Dunn and M.J. Williams
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Areal and seasonal extent of sea-ice cover off the northwestern side of the Antarctic Peninsula: 1979 to 1996
Paper Title: Areal and seasonal extent of sea-ice cover off the northwestern side of the ... Antarctic Peninsula: 1979 to 1996 Abstract / Description: Analysis of seasonal sea-ice cover of an area ... extent, seasonal duration and persistence of sea-ice over multiple years is apparent and is consistent ... with features described by Stammerjohn and Smith (1996) for ice cover in the Bellingshausen Sea ... EXTENT OF SEA-ICE COVER OFF THE NORTHWESTERN SIDE OF THE ANTARCTIC PENINSULA: 1979 TO 1996 R.P. Hewitt ... sea-ice cover of an area measuring 1.25 X l o b km2 off the northwestern side of the Antarctic ... . Variability in seasonal timing, area1 extent, seasonal duration and persistence of sea-ice over multiple ... cover in the Bellingsliausen Sea. Periods of extensive winter ice cover peaked in 1980, 1986, 1991 and ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 65–73 : Autor(es): Hewitt, R
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Length- and age-at-spawning of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea
Ross Sea Abstract / Description: This study uses histological assessments to determine age- and length ... Ross Sea spanning the 2000–2009 fishing seasons. A characterisation of the oocyte developmental cycle ... maturation stage by approximately May each year. The age at 50% spawning for females on the Ross Sea slope ... northern Ross Sea region depends on the proportion of the total population occurring in the northern Ross ... - AND AGE-AT-SPAWNING OF ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) IN THE ROSS SEA S.J. Parker ... Antarctic toothfish (Dissostichus mawsoni) from fish sampled in the Ross Sea spanning the 2000–2009 fishing ... age at 50% spawning for females on the Ross Sea slope region is 16.6 years (95% CI 16.0–17.3) or ... (older) by applying the slope-derived ogive to the northern Ross Sea region depends on the proportion of ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 53–73 : Autor(es): Parker, S.J. and P.J. Grimes
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Identifying taxonomic groups vulnerable to bottom longline fishing gear in the Ross Sea region
Sea region Abstract / Description: Implementing measures to avoid significant adverse impacts to ... -catch in the Ross Sea as part of its benthic fisheries impact assessment. The rationale for including or ... taxonomic groups are identified as vulnerable to bottom longline fishing activities in the Ross Sea region ... IDENTIFYING TAXONOMIC GROUPS VULNERABLE TO BOTTOM LONGLINE FISHING GEAR IN THE ROSS SEA REGION S.J. Parker ... identified an interim list of taxa to monitor in fishery by-catch in the Ross Sea as part of its benthic ... vulnerable to bottom longline fishing activities in the Ross Sea region, including two indicator-only taxa ... importance and value of deep-sea eco- systems and the biodiversity they contain’ (UNGA, 2007). Although ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 105–127 : Autor(es): Parker, S.J. and D.A. Bowden
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Spatially explicit population dynamics models for Antarctic toothfish in the Ross Sea region
Sea region Abstract / Description: Population modelling software was developed that captures the ... models were developed for the Antarctic toothfish (Dissostichus mawsoni) population in the Ross Sea ... divided the Ross Sea region into 189 equal-area (24 000 km 2) cells. The underlying spatial distribution ... containing habitable depths, or to the entire Ross Sea region (all 189 cells). Estimates of movement rates ... antarctIc toothfISh In the roSS Sea regIon S. Mormede and A. Dunn National Institute of Water and ... Sea region and used as operating models to evaluate the performance of single-area assessments. The ... models divided the Ross Sea region into 189 equal- area (24 000 km2) cells. The underlying spatial ... containing habitable depths, or to the entire Ross Sea region (all 189 cells). Estimates of movement rates ...
Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 19–37 : Autor(es): Mormede, S., A. Dunn, S. Hanchet and S. Parker
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Fatty acid and stable isotope analyses to infer diet of Antarctic toothfish caught in the southern Ross Sea
in the southern Ross Sea Abstract / Description: To infer important prey resources for Antarctic ... toothfish (Dissostichus mawsoni) in the southern Ross Sea, their lipid composition was determined and ... toothfish and trophic structure of the toothfish-related fish food web in the southern Ross Sea ecosystem ... understand the entire food-web structure in the southern Ross Sea. File: Jo et al.pdf ... TOOTHFISH CAUGHT IN THE SOUTHERN ROSS SEA H.-S. Jo, I. Yeon, C. Lim Fisheries Resources Research ... prey resources for Antarctic toothfish (Dissostichus mawsoni) in the southern Ross Sea, their lipid ... food web in the southern Ross Sea ecosystem. Similarities in total FA compositions and the FA profiles ... southern Ross Sea. Jo et al. 22 Introduction Antarctic toothfish (Dissostichus mawsoni) is a key ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 21–36 : Autor(es): Jo, H.-S., I. Yeon, C. Lim, S.M. Hanchet, D.-W. Lee and C.-K. Kang