FN Archimer Export Format
PT J
TI Benthic foraminiferal response to sedimentary disturbance in the Capbreton canyon (Bay of Biscay, NE Atlantic)
BT 
AF DUROS, Pauline
   SILVA JACINTO, Ricardo
   DENNIELOU, Bernard
   SCHMIDT, S.
   MARTINEZ LAMAS, Ruth
   GAUTIER, Emeric
   ROUBI, Angelique
   GAYET, Nicolas
AS 1:1,3;2:1;3:1;4:2;5:1;6:1;7:1;8:1;
FF 1:PDG-REM-GM-LGS;2:PDG-REM-GM-LGS;3:PDG-REM-GM-LGS;4:;5:PDG-REM-GM-LGS;6:PDG-REM-GM-LGS;7:PDG-REM-GM-LGS;8:PDG-REM-EEP-LEP;
C1 IFREMER, Lab Geodynam & Enregistrement Sedimentaire LGS, BP70, F-29280 Plouzane, France.
   Univ Bordeaux, CNRS, OASU, EPOC,UMR 5805, F-33615 Pessac, France.
   FORAM, Foraminiferal Study Grp, F-49140 Villeveque, France.
C2 IFREMER, FRANCE
   UNIV BORDEAUX, FRANCE
   FORAM, FRANCE
SI BREST
SE PDG-REM-GM-LGS
   PDG-REM-EEP-LEP
IN WOS Ifremer jusqu'en 2018
   copubli-france
   copubli-univ-france
IF 2.384
TC 15
UR https://archimer.ifremer.fr/doc/00360/47121/47052.pdf
LA English
DT Article
CR GITAN
   VOLT
BO Pourquoi pas ?
DE ;Benthic foraminifera;Capbreton canyon;Habitat disturbance;Turbidite;Submarine canyon
AB Living (Rose Bengal stained) and dead benthic foraminifera were investigated at 6 deep-sea sites sampled in the Capbreton canyon area (Bay of Biscay, France). Three sites were located along the canyon axis at 301 m, 983 m and 1478 m and 3 stations were positioned on adjacent terraces at 251 m, 894 m and 1454 m. Sedimentary features indicate that frequent sedimentary disturbances of different magnitudes occur along the Capbreton canyon axis and adjacent terraces. Such environmental conditions cause the presence of very particular benthic environments. Along the 6 studied sites, different foraminiferal responses to various sedimentary patterns are observed revealing the complexity of this canyon environment. Some sites (Gitan 3 (canyon axis), Gitan 5 (canyon axis) and Gitan 6 (terrace)) are characterized by moderate to low standing stocks and low diversity and are mainly dominated by pioneer taxa such as Fursenkoina brady, Reophax dentaliniformis and Technitella melo suggesting a recent response to turbidite deposits recorded at these sites. Others sites (Gitan 1 and Gitan 2) show extremely high standing stocks and are mainly dominated by the opportunistic Bolivina subaenariensis and Bulimina marginata. Such faunal characteristics belonging to a more advanced stage of ecosystem colonization indicates strongly food-enriched sediment but extremely unstable conditions. Moderate standing stocks and diverse assemblage composed of species such as Uvigerina mediterranea and U. peregrina has only been observed at the terrace site Gitan 4. More stable sedimentary conditions recorded at this terrace seem to be suitable to the development of a dense and diverse foraminiferal community. Numerous neretic allochtonous species were observed in the dead foraminiferal fauna. These allochthonous species mainly originate from shelf areas (< 60 m).
PY 2017
PD FEB
SO Deep-sea Research Part I-oceanographic Research Papers
SN 0967-0637
PU Pergamon-elsevier Science Ltd
VL 120
UT 000394404100006
BP 61
EP 75
DI 10.1016/j.dsr.2016.11.012
ID 47121
ER

EF