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Structure, fonctionnement, évolution des communautés benthiques ...

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tel-00009359, version 1 - 1 Jun 2005<br />

TPM (g.h-1.m-²)<br />

LSS (A.U.)<br />

Chapitre 3 - Fonctionnement du réseau trophique benthique de la Grande Vasière<br />

speed cm/s<br />

0,8<br />

0,7<br />

0,6<br />

0,5<br />

0,4<br />

0,3<br />

0,2<br />

0,1<br />

45<br />

40<br />

35<br />

30<br />

25<br />

20<br />

15<br />

10<br />

5<br />

Station E TROPHAL<br />

0<br />

08:06 10:06 12:06 14:06<br />

Time<br />

16:06 18:06 20:06<br />

4,5<br />

4,0<br />

3,5<br />

3,0<br />

2,5<br />

2,0<br />

1,5<br />

1,0<br />

0,5<br />

0,0<br />

8:33 09:39 10:45 11:51 12:57 14:03 15:09 16:15 17:21 18:27 19:33<br />

Time<br />

0<br />

08:06 10:06 12:06 14:06<br />

Time<br />

16:06 18:06<br />

Figure 10. Station E. High-frequency temporal variability of particulate matter sedimentation (TPM, g.m -<br />

2 .h -1 ) in bottom trap in relation to current velocity (cm.s -1 ) and light scattering (a.u.) 1.6 m off the seabed.<br />

Water salinity measured by the SBE25 CTD probe is also represented.<br />

198

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