FN Archimer Export Format
PT J
TI Arsenic stress after the Proterozoic glaciations
BT 
AF Chi Fru, Ernest
   Arvestål, Emma
   Callac, Nolwenn
   El Albani, Abderrazak
   Kilias, Stephanos
   Argyraki, Ariadne
   Jakobsson, Martin
AS 1:1,2;2:2,3;3:1;4:4;5:5;6:5;7:1;
FF 1:;2:;3:;4:;5:;6:;7:;
C1 Department of Geological Sciences and Bolin Centre for Climate Research, Stockholm University, SE-106 91, Stockholm, Sweden
   Department of Paleobiology, Nordic Centre for Earth Evolution, Swedish Museum of Natural History, SE-104 05, Stockholm, Box 50007, Sweden
   Department of Earth Sciences, Uppsala University, Paleobiology, SE-752 36, Uppsala, Sweden
   Université de Poitiers UMR 7285-CNRS, Institut de Chimie des Milieux et Matériaux de Poitiers-5, rue Albert Turpin (Bât B35) 86073 Poitiers cedex
   Department of Economic Geology and Geochemistry Faculty of Geology and Geoenvironment, University of Athens Panepistimiopolis Zographou, 157 84 , Athens, Greece
C2 UNIV STOCKHOLM, SWEDEN
   NHM SWEDEN, SWEDEN
   UNIV UPPSALA, SWEDEN
   UNIV POITIERS, FRANCE
   UNIV ATHENS, GREECE
IN DOAJ
IF 5.228
TC 0
UR https://archimer.ifremer.fr/doc/00860/97176/106047.pdf
   https://archimer.ifremer.fr/doc/00860/97176/106048.pdf
LA English
DT Article
DE ;Chemical origin of life;Palaeoceanography
AB Protection against arsenic damage in organisms positioned deep in the tree of life points to early evolutionary sensitization. Here, marine sedimentary records reveal a Proterozoic arsenic concentration patterned to glacial-interglacial ages. The low glacial and high interglacial sedimentary arsenic concentrations, suggest deteriorating habitable marine conditions may have coincided with atmospheric oxygen decline after ~2.1 billion years ago. A similar intensification of near continental margin sedimentary arsenic levels after the Cryogenian glaciations is also associated with amplified continental weathering. However, interpreted atmospheric oxygen increase at this time, suggests that the marine biosphere had widely adapted to the reorganization of global marine elemental cycles by glaciations. Such a glacially induced biogeochemical bridge would have produced physiologically robust communities that enabled increased oxygenation of the ocean-atmosphere system and the radiation of the complex Ediacaran-Cambrian life. 
PY 2015
PD DEC
SO Scientific Reports
SN 2045-2322
PU Springer Science and Business Media LLC
VL 5
IS 1
DI 10.1038/srep17789
ID 97176
ER

EF