Structure, fonctionnement, évolution des communautés benthiques ...

tel-00009359, version 1 - 1 Jun 2005
Appendix A
Chapitre 3 - Fonctionnement du réseau trophique benthique de la Grande Vasière
Table A1: Stable isotope results of the main species collected on the Grande Vasière. Mean (± standard
deviation (SD)), POM : Particulate Organic Matter
Sampling
Species
n δ
date
15 Trophic
N ‰ (SD)
δ
level
13 C ‰(SD)
POM (-30 m) September 2002 8 4.14 (1.04) 1 -23.73 (1.08)
POM bottom
Crustaceans
September 2002 8 4.23 (0.93) 1 -22.93 (0.63)
Zooplankton
May 2001 4 8.17 (0.74) 2.1 -20.40 (0.82)
Suprabenthos
May 2001 4 8.05 (0.59) 2.0 -19.93 (1.11)
Callianassa subterranea
October 2000 3 7.45 (0.38) 2.0 -19.28 (0.89)
Alpheus glaber
October 2000 4 10.04 (0.06) 2.7 -15.58 (0.23)
Nephrops norvegicus
October 2000 32 11.04 (0.31) 3.0 -16.50 (0.77)
Munida sarsi
October 2000 22 11.08 (055) 3.0 -16.19 (0.60)
Crangon echinulatus
October 2000 1 11.4 3.1 -19.0
Crangon allmani
October 2000 5 11.42 (0.22) 3.1 -16.57 (0.39)
Processa nouveli
October 2000 1 11.5 3.1 -17.8
Goneplax rhomboides
October 2000 1 12.1 3.3 -15.5
Liocarcinus depurator
October 2000 6 12.25 (0.56) 3.4 -16.18 (0.45)
Lophogaster typicus
October 2000 1 12.5 3.4 -18.8
Squilla desmaresti
October 2000 4 13.32 (0.49) 3.7 -16.74 (0.33)
Ascidia sp. October 2000 4 7.48 (0.48) 2.0 -19.81 (0.14)
Polychaetes
Hyalinoecia fauveli
October 2000 1 8.7 2.3 -19.1
Terebellides stroemi
October 2000 4 10.85 (0.26) 3.0 -17.56 (0.86)
Notomastus latericeus
October 2000 8 10.96 (0.82) 3.0 -16.63 (0.82)
Lumbrinereis impatiens
October 2000 3 11.30 (0.36) 3.1 -17.81 (1.00)
Nephtys caeca
October 2000 1 11.5 3.1 -15.9
Glycera rouxii
Bivalves
October 2000 1 12.9 3.6 -15.4
Aequipecten opercularis
October 2000 5 8.87 (0.36) 2.4 -15.96 (0.23)
Nucula sulcata
Cephalopods
October 2000 6 9.24 (0.33) 2.5 -16.13 (0.15)
Sepia sp.
Pisces
October 2000 1 11.7 3.2 -17.9
Micromesistius poutassou December 1999 10 12.20 (0.60) 3.4 -17.63 (0.77)
Trachurus trachurus
December 1999 13 12.30 (0.48) 3.4 -18.02 (0.68)
Callyonimus lyra
October 2000 4 12.55 (0.68) 3.5 -16.96 (0.29)
Trisopterus minutus
December 1999 12 13.31 (0.84) 3.7 -17.07 (0.29)
Merluccius merluccius (8-15 cm) December 1999 13 11.78 (0.74) 3.2 -18.56 (0.77)
Merluccius merluccius (19-36 cm) December 1999 20 13.52 (0.21) 3.7 -17.12 (0.33)
Merluccius merluccius (39-47 cm) December 1999 10 14.53 (0.34) 4.0 -16.74 (0.43)
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