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Author |
Noor Johnson, Matthew L Druckenmiller, Finn Danielsen, Peter L Pulsifer |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
The Use of Digital Platforms for Community-Based Monitoring |
Type ![sorted by Type field, ascending order (up)](img/sort_asc.gif) |
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Year |
2021 |
Publication |
BioScience |
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Volume |
71 |
Issue |
5 |
Pages |
452-466 |
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Programme |
1090,1206 |
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Bachelor's thesis |
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0006-3568 |
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8248 |
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Author |
Hajo Eicken, Finn Danielsen, Josephine-Mary Sam, Maryann Fidel, Noor Johnson, Michael K Poulsen, Olivia A Lee, Katie V Spellman, Lisbeth Iversen, Peter Pulsifer, Martin Enghoff |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Connecting Top-Down and Bottom-Up Approaches in Environmental Observing |
Type ![sorted by Type field, ascending order (up)](img/sort_asc.gif) |
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Year |
2021 |
Publication |
BioScience |
Abbreviated Journal |
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Volume |
71 |
Issue |
5 |
Pages |
467-483 |
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1090,1206 |
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Bachelor's thesis |
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0006-3568 |
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yes |
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8249 |
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![find record details (via OpenURL) openurl](img/xref.gif)
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Title |
Marine snow morphology illuminates the evolution of phytoplankton blooms and determines their subsequent vertical export |
Type ![sorted by Type field, ascending order (up)](img/sort_asc.gif) |
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Year |
2021 |
Publication |
Nature Communications |
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Volume |
12 |
Issue |
1 |
Pages |
2816 |
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Keywords |
Carbon cycle Marine biology |
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1164 |
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ISSN |
2041-1723 |
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yes |
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8250 |
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Author |
Natasha Roy, James Woollett, Najat Bhiry, Isabel Lemus-Lauzon, Ann Delwaide, Dominique Marguerie |
![find record details (via OpenURL) openurl](img/xref.gif)
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Title |
Anthropogenic and climate impacts on subarctic forests in the Nain region, Nunatsiavut: Dendroecological and historical approaches |
Type ![sorted by Type field, ascending order (up)](img/sort_asc.gif) |
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Year |
2021 |
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Volume |
28 |
Issue |
3-4 |
Pages |
361-376 |
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Programme |
1080 |
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ISSN |
1195-6860 |
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yes |
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8251 |
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Author |
M. Legrand, R. Weller, S. Preunkert, B. Jourdain |
![find record details (via OpenURL) openurl](img/xref.gif)
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Title |
Ammonium in Antarctic Aerosol: Marine Biological Activity Versus Long-Range Transport of Biomass Burning |
Type ![sorted by Type field, ascending order (up)](img/sort_asc.gif) |
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Year |
2021 |
Publication |
Geophysical Research Letters |
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Volume |
48 |
Issue |
11 |
Pages |
e2021GL092826 |
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Keywords |
aerosol black carbon ammonium Antarctic biomass burning et marine biota oxalate potassium |
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Abstract |
Year-round records of the ionic composition of Antarctic aerosol were obtained at the inland Dome C (DC) and coastal Neumayer (NM) sites, with additional observations of black carbon (BC) at NM. Discussions focus on the origin of ammonium in Antarctica. This first Antarctic atmospheric study of several species emitted by biomass burning (BB) indicates that BC and oxalate reach a maximum in October in relation to BB activity in the southern hemisphere. Ammonium reaches a maximum 2 months later, suggesting that BB remains a minor ammonium source there. The ammonium maximum in December coincides with the occurrence of diatom blooms in the austral ocean, suggesting that oceanic ammonia emissions are the main source of ammonium in Antarctica. The ammonium to sulfur-derived biogenic species molar ratio of 0.15 in summer suggests far lower ammonia emissions from the Antarctic oceans than midlatitude southern oceans. |
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903 |
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ISSN |
1944-8007 |
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yes |
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Serial |
8252 |
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![find record details (via OpenURL) openurl](img/xref.gif)
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Title |
Viability and stress state of bacteria associated with primary production or zooplankton-derived suspended particulate matter in summer along a transect in Baffin Bay (Arctic Ocean) |
Type ![sorted by Type field, ascending order (up)](img/sort_asc.gif) |
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Year |
2021 |
Publication |
Science of The Total Environment |
Abbreviated Journal |
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Volume |
770 |
Issue |
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Pages |
145252 |
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Keywords |
Bacterial viability EPS isomerase Micro- and macro-zooplankton Salinity stress Sea ice algae |
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Abstract |
In the framework of the GreenEdge Project (whose the general objective is to understand the dynamic of the phytoplankton spring bloom in Arctic Ocean), lipid composition and viability and stress state of bacteria were monitored in sea ice and suspended particulate matter (SPM) samples collected in 2016 along a transect from sea ice to open water in Baffin Bay (Arctic Ocean). Lipid analyses confirmed the dominance of diatoms in the bottommost layer of ice and suggested (i) the presence of a strong proportion of micro-zooplankton in SPM samples collected at the western ice covered St 403 and St 409 and (ii) a high proportion of macro-zooplankton (copepods) in SPM samples collected at the eastern ice covered St 413 and open water St 418. The use of the propidium monoazide (PMA) method allowed to show a high bacterial mortality in sea ice and in SPM material collected in shallower waters at St 409 and St 418. This mortality was attributed to the release of bactericidal free fatty acids by sympagic diatoms under the effect of light stress. A strong cis-trans isomerization of bacterial MUFAs was observed in the deeper SPM samples collected at the St 403 and St 409. It was attributed to the ingestion of bacteria stressed by salinity in brine channels of ice by sympagic bacterivorous microzooplankton (ciliates) incorporating trans fatty acids of their preys before to be released in the water column during melting. The high trans/cis ratios also observed in SPM samples collected in the shallower waters at St 413 and St 418 suggest the presence of positively or neutrally buoyant extracellular polymeric substances (EPS)-rich particles retained in sea ice and discharged (with bacteria stressed by salinity) in seawater after the initial release of algal biomass. Such EPS particles, which are generally considered as ideal vectors for bacterial horizontal distribution in the Arctic, appeared to contain a high proportion of dead and non-growing bacteria. |
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1164 |
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ISSN |
0048-9697 |
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yes |
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Serial |
8253 |
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![find record details (via OpenURL) openurl](img/xref.gif)
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Title |
Antarctic surface temperature and elevation during the Last Glacial Maximum |
Type ![sorted by Type field, ascending order (up)](img/sort_asc.gif) |
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Year |
2021 |
Publication |
Science |
Abbreviated Journal |
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Volume |
372 |
Issue |
6546 |
Pages |
1097-1101 |
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902 |
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yes |
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8254 |
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![find record details (via OpenURL) openurl](img/xref.gif)
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Title |
An estimation of the quantitative impacts of copepod grazing on an under sea-ice spring phytoplankton bloom in western Baffin Bay, Canadian Arctic |
Type ![sorted by Type field, ascending order (up)](img/sort_asc.gif) |
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Year |
2021 |
Publication |
Elementa: Science of the Anthropocene |
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Volume |
9 |
Issue |
1 |
Pages |
00092 |
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1164 |
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2325-1026 |
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yes |
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8255 |
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![find record details (via OpenURL) openurl](img/xref.gif)
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Title |
Molecular response of a sub-antarctic population of the blue mussel (Mytilus edulis platensis) to a moderate thermal stress |
Type ![sorted by Type field, ascending order (up)](img/sort_asc.gif) |
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Year |
2021 |
Publication |
Marine Environmental Research |
Abbreviated Journal |
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Volume |
169 |
Issue |
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Pages |
105393 |
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2DE Abiotic stress Biomonitoring Gills Indicator species Kerguelen island Mytilus sp. qRT-PCR Temperature |
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409 |
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ISSN |
0141-1136 |
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8256 |
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Author |
Samantha C. Patrick, Julien G. A. Martin, Caroline C. Ummenhofer, Alexandre Corbeau, Henri Weimerskirch |
![find record details (via OpenURL) openurl](img/xref.gif)
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Title |
Albatrosses respond adaptively to climate variability by changing variance in a foraging trait |
Type ![sorted by Type field, ascending order (up)](img/sort_asc.gif) |
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Year |
2021 |
Publication |
Global Change Biology |
Abbreviated Journal |
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Volume |
27 |
Issue |
19 |
Pages |
4564-4574 |
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Keywords |
bet-hedging intra-individual variability resource acquisition salt-water immersion logger seabirds Southern Oscillation Index |
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109 |
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1365-2486 |
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yes |
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Call Number |
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8257 |
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