FN Archimer Export Format
PT J
TI Distribution of Living Benthic Foraminifera in the Baffin Bay and Nares Strait in the Summer and Fall Periods: Relation with Environmental Parameters
BT 
AF Racine, Calypso
   Bonnin, Jérôme
   Dessandier, Pierre-Antoine
   Giraudeau, Jacques
AS 1:1;2:1;3:2;4:1;
FF 1:;2:;3:PDG-REM-BEEP-LEP;4:;
C1 Université de Bordeaux, CNRS, UMR 5805 Environnements et Paléoenvironnements Océaniques et Continentaux, 33615 Pessac, France
   Université de Brest, CNRS, Ifremer, UMR 6197 Biologie et Ecologie des Ecosystèmes Marins Profonds, 29280 Plouzané, France
C2 UNIV BORDEAUX, FRANCE
   IFREMER, FRANCE
SI BREST
SE PDG-REM-BEEP-LEP
UM BEEP-LM2E
IN WOS Ifremer UMR
   DOAJ
   copubli-france
   copubli-univ-france
IF 2.9
TC 0
UR https://archimer.ifremer.fr/doc/00859/97065/105820.pdf
   https://archimer.ifremer.fr/doc/00859/97065/105821.zip
LA English
DT Article
DE ;living benthic foraminifera;Arctic;Nares Strait;sea ice
AB Arctic climate warming leads to drastic changes in sea ice dynamics, hence impacting primary productivity but also the benthic communities. Therefore, to assess the response of living benthic foraminifera to contrasting Arctic environments, surface sediments from nine stations were collected during the summer of 2014 and fall of 2015 in the Baffin Bay and Nares Strait. Living standing stock are systematically low in the eastern and western Baffin Bay and much higher in the North Water Polynya and the Kane Basin located at the entrance and in the center of Nares Strait, respectively. High living benthic foraminiferal densities in the NOW reflect higher TOC while the highest density in the Kane Basin coincides with lower TOC but higher C/N and higher δ13Corg. The contribution of agglutinated species is on average very high for the whole study area and dominated by the species Adercotryma glomeratum, Lagenammina arenulata, and Reophax scorpiurus. Calcareous species, dominated by Nonionellina labradorica and Melonis barleeanus, are more abundant in the North Water Polynya and the Kane Basin. The very high living standing stock observed in the Kane Basin might be related to the northern position of the ice arch that summer during 2014 and therefore a particularly scarce sea ice cover might have allowed massive phytoplankton production during that season. In this study, the distribution of living benthic foraminifera is discussed according to several environmental parameters such as water masses, phytoplankton productivity, and organic matter fluxes. 
PY 2023
PD NOV
SO Journal Of Marine Science And Engineering
SN 2077-1312
PU MDPI AG
VL 11
IS 11
UT 001113668300001
DI 10.3390/jmse11112049
ID 97065
ER

EF