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Author |
Bormann Peter, Saul Joachim, |
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Title  |
A Fast, Non-saturating Magnitude Estimator for Great Earthquakes
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Journal Article |
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Year |
2009 |
Publication |
Seismological Research Letters |
Abbreviated Journal |
0895-0695 |
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Volume |
80 |
Issue |
5 |
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808 -816 |
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133 |
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0895-0695 |
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yes |
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2924 |
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Author |
Féral J-P, Poulin E, De Ridder C, Saucède T. |
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Title |
A field guide to coastal echinoderms of the Kerguelen Islands. |
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Communication |
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Year |
2018 |
Publication |
16th international echinoderm conference, nagoya, japan. may 28-june 1, 2018. |
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1044 |
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yes |
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Serial |
7142 |
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Author |
Halsey, L.G., Handrich, Y., Fahlman, A., Schmidt, A., Bost, C.-A, Holder, R.L., Woakes, A.J., Butler, P.J. |
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Title |
A fine scale analysis of diving energetics in king penguins: How behaviour affects the cost of a foraging dive. |
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Journal Article |
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Year |
2007 |
Publication |
Marine ecology-progress series |
Abbreviated Journal |
Mar. Ecol. Prog. Ser. |
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2007 |
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299-309 |
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394 |
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0171-8630 |
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yes |
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4516 |
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Author |
Bried J., Duriez O. & Juin G. |
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Title |
A first case of female-female pairing in the black-faced sheathbill chinios minor. |
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Journal Article |
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1999 |
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Emu |
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99 |
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292-295 |
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354 |
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0158-4197 |
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yes |
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78 |
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Author |
Ana P. B. Carneiro, Elizabeth J. Pearmain, Steffen Oppel, Thomas A. Clay, Richard A. Phillips, Anne-Sophie Bonnet‐Lebrun, Ross M. Wanless, Edward Abraham, Yvan Richard, Joel Rice, Jonathan Handley, Tammy E. Davies, Ben J. Dilley, Peter G. Ryan, Cleo Small, Javier Arata, John P. Y. Arnould, Elizabeth Bell, Leandro Bugoni, Letizia Campioni, Paulo Catry, Jaimie Cleeland, Lorna Deppe, Graeme Elliott, Amanda Freeman, Jacob González‐Solís, José Pedro Granadeiro, David Grémillet, Todd J. Landers, Azwianewi Makhado, Deon Nel, David G. Nicholls, Kalinka Rexer‐Huber, Christopher J. R. Robertson, Paul M. Sagar, Paul Scofield, Jean-Claude Stahl, Andrew Stanworth, Kim L. Stevens, Philip N. Trathan, David R. Thompson, Leigh Torres, Kath Walker, Susan M. Waugh, Henri Weimerskirch, Maria P. Dias |
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Title |
A framework for mapping the distribution of seabirds by integrating tracking, demography and phenology |
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Journal |
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Year |
2020 |
Publication |
Journal of Applied Ecology |
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Volume |
57 |
Issue |
3 |
Pages |
514-525 |
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Keywords |
albatrosses at-sea threats conservation distributions longline fisheries megafauna petrels seabird density |
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Abstract |
The identification of geographic areas where the densities of animals are highest across their annual cycles is a crucial step in conservation planning. In marine environments, however, it can be particularly difficult to map the distribution of species, and the methods used are usually biased towards adults, neglecting the distribution of other life-history stages even though they can represent a substantial proportion of the total population. Here we develop a methodological framework for estimating population-level density distributions of seabirds, integrating tracking data across the main life-history stages (adult breeders and non-breeders, juveniles and immatures). We incorporate demographic information (adult and juvenile/immature survival, breeding frequency and success, age at first breeding) and phenological data (average timing of breeding and migration) to weight distribution maps according to the proportion of the population represented by each life-history stage. We demonstrate the utility of this framework by applying it to 22 species of albatrosses and petrels that are of conservation concern due to interactions with fisheries. Because juveniles, immatures and non-breeding adults account for 47%–81% of all individuals of the populations analysed, ignoring the distributions of birds in these stages leads to biased estimates of overlap with threats, and may misdirect management and conservation efforts. Population-level distribution maps using only adult distributions underestimated exposure to longline fishing effort by 18%–42%, compared with overlap scores based on data from all life-history stages. Synthesis and applications. Our framework synthesizes and improves on previous approaches to estimate seabird densities at sea, is applicable for data-poor situations, and provides a standard and repeatable method that can be easily updated as new tracking and demographic data become available. We provide scripts in the R language and a Shiny app to facilitate future applications of our approach. We recommend that where sufficient tracking data are available, this framework be used to assess overlap of seabirds with at-sea threats such as overharvesting, fisheries bycatch, shipping, offshore industry and pollutants. Based on such an analysis, conservation interventions could be directed towards areas where they have the greatest impact on populations. |
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388 |
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ISSN |
1365-2664 |
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yes |
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Call Number |
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Serial |
7655 |
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Author |
Héloïse Barbel, Dominique Todisco, Najat Bhiry |
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Title |
A geochemical investigation of an Early Inuit semi-subterranean winter dwelling in a periglacial context |
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Journal |
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Year |
2020 |
Publication |
Journal of archaeological science: reports |
Abbreviated Journal |
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Volume |
33 |
Issue |
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Pages |
102552 |
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Keywords |
C-N analysis Cryosolic soils geochemistry FTIR ICP-AES Inuit archaeology Nunavik Semi-subterranean house |
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Abstract |
Geochemical investigations using FTIR, ICP-AES and C-N analyses were carried out on a single-family semi-subterranean Inuit house in order to assess the contribution of Inuit domestic activities in the formation of cryosolic soils in a periglacial archaeological context (Kuuvik Bay, Nunavik, Canada). The geochemical elements data were analyzed using box plots and enrichment factors. The information was also summarized and visualized through principal component analysis (PCA). These complementary statistical approaches provided evidence of a moderate but identifiable and significant imprint of Inuit domestic activities on soil geochemistry. The box plots indicate moderate Ca, Mn, Cu and P enrichments and more noticeable Mg, Fe and S enrichments. These enrichment factors and the ICP-AES data show that samples from the peripheral wall and the tunnel entrance of the house and its vicinity are significantly enriched. While FTIR analysis highlighted the main soil element contents (e.g., organic and mineral components), ICP-AES analysis was used to further document variations in the background elements throughout the site. However, the obtained results do not allow us to undertake a spatial analysis of Inuit activities or to describe them in detail. In addition, the data highlight the difficulty of documenting the natural variability of element contents in cryosolic soils, especially in archaeological contexts. Cryo-pedological processes in the active layer as well as house cleaning and nutrient inputs resulting from Inuit occupations may have attenuated chemical signatures of previous Inuit domestic activities. |
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Programme |
1080 |
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LOTECHAIN |
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Bachelor's thesis |
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ISSN |
2352-409X |
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yes |
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Call Number |
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Serial |
8206 |
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Author |
Sato, T., Okuno, J., Hinderer, J., MacMillan, D. S., Plag, H.-P., Francis, O., Falk, R. and Fukuda, Y. |
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Title |
A geophysical interpretation of the secular displacement and gravity rates observed at Ny-Alesund, Svalbard in the Arctic- Effects of the post-glacial rebound and present-day ice melting |
Type |
Journal Article |
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Year |
2006 |
Publication |
Geophysical journal international |
Abbreviated Journal |
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Volume |
165 |
Issue |
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Pages |
729-743 |
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337 |
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ISSN |
0956-540X |
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yes |
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5351 |
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Author |
Weisen Shen, Douglas A. Wiens, Andrew J. Lloyd, Andrew A. Nyblade |
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Title |
A Geothermal Heat Flux Map of Antarctica Empirically Constrained by Seismic Structure |
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Journal |
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Year |
2020 |
Publication |
Geophysical Research Letters |
Abbreviated Journal |
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Volume |
47 |
Issue |
14 |
Pages |
e2020GL086955 |
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Keywords |
Antarctica crust and uppermost mantle geothermal heat flux ice sheet modeling |
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Abstract |
The geothermal heat flux (GHF) is an important boundary condition for modeling the movement of the Antarctic ice sheet but is difficult to measure systematically at a continental scale. Earlier GHF maps suffer from low resolution and possibly biased assumptions in tectonism and crustal heat generation, resulting in significant uncertainty. We present a new GHF map for Antarctica constructed by empirically relating the upper mantle structure to known GHF in the continental United States. The new map, compared with previously seismologically determined one, has improved resolution and lower uncertainties. New features in this map include high GHF in the southern Transantarctic Mountains where warmer uppermost mantle is introduced by lithospheric removal and in the Thwaites Glacier region. Additionally, a modest GHF in the central West Antarctic Rift system near the Siple Coast and an absence of large-scale regions with GHF greater than 90 mW/m2 are found. |
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133 |
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ISSN |
1944-8007 |
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yes |
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Call Number |
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Serial |
7887 |
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Author |
Smith Martina B, Labat Jean-Philippe, Fraser Alexander D, Massom Robert A, Koubbi Philippe, |
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Title |
A GIS approach to estimating interannual variability of sea ice concentration in the Dumont dUrville Sea near Terre Adélie from 2003 to 2009
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Type |
Journal Article |
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Year |
2011 |
Publication |
Polar Science |
Abbreviated Journal |
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Volume |
5 |
Issue |
2 |
Pages |
104-117 |
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Keywords |
Sea ice concentration, East Antarctica, Interannual variations, Climatology, GIS, |
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Abstract |
A Geographic Information System (GIS)-based investigation into the interannual variability of sea ice concentration was conducted in the Dumont dUrville Sea off the Terre Adélie coastline, south of 65°S and between 139 and 146°E. Sea ice concentration data derived from Advanced Microwave Scanning Radiometer-EOS (AMSR-E) data were analysed for the period 2003 to 2009. Sea ice concentration was found to be least variable in three regions, namely the Buchanan Bay/Watt Bay region (143145°E), along 65.5°S (west of 144.5°E), and the Adélie Bank northeast of Dumont dUrville near 66°S, 140.5°E. The remaining areas had relatively high interannual variability, in particular the Adélie Basin (66°S, 140°E) and the outer fringe of the Mertz Glacier Polynya (MGP). In general, higher sea ice concentration conditions were experienced in the west of the study area (i.e., where annual fast ice recurs), and open water dominated in the MGP and in the northeast. The years 20072009 experienced greater persistence of higher sea ice concentration than earlier years. This study provides a baseline for assessing changes in the regional sea ice regime that may occur since the calving of the Mertz Glacier in February 2010. |
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1142 |
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1873-9652 |
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yes |
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3319 |
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Author |
GRISELIN M., MARLIN Ch., LAFFLY D., SCHWAMBORN G., FRIEDT J.-M., MARTIN G., keynote d'ouverture |
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Title |
A glacier under hydrological survey : the Esat Loven Glacier : first results of an IPY program |
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Conference - International - Communication |
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2007 |
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M. Griselin et Ch. Marlin invitées pour keynote d'ouverture
octobre 2007, Cambridge : Seminaire du Nysmac : “A glacier under hydrological survey : the Esat Loven Glacier : first results of an IPY program” cf pdf sur cd-rom joint |
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304 |
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yes |
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4739 |
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