Structure, fonctionnement, évolution des communautés benthiques ...
Structure, fonctionnement, évolution des communautés benthiques ...
Structure, fonctionnement, évolution des communautés benthiques ...
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tel-00009359, version 1 - 1 Jun 2005<br />
Chapitre 3 - Fonctionnement du réseau trophique benthique de la Grande Vasière<br />
Table 4. Mean values (± SD) of parameters for particulate matter sedimented in bottom-moored or middepth<br />
sediment traps (April-May (Sp) and September (Su) 2002).<br />
G<br />
F<br />
E<br />
D<br />
C<br />
B<br />
A<br />
Station<br />
Su<br />
Sp<br />
Su<br />
Sp<br />
Su<br />
Su<br />
Sp<br />
Su<br />
Sp<br />
Su<br />
Sp<br />
Su<br />
Sp<br />
Season<br />
10.57<br />
8.92<br />
2.74<br />
6.35<br />
2.84<br />
1.59<br />
18.48<br />
1.46<br />
8.73<br />
2.41<br />
15.36<br />
2.64<br />
6.75<br />
TPM (g.m -2 .h -1 )<br />
(5.11)<br />
(5.92)<br />
(0.21)<br />
(1.15)<br />
(0.38)<br />
(0.04)<br />
(27.44)<br />
(0.46)<br />
(8.15)<br />
(0.75)<br />
(15.01)<br />
(0.87)<br />
(2.59)<br />
330.92<br />
216.41<br />
40.63<br />
192.24<br />
66.26<br />
42.33<br />
400.17<br />
23.92<br />
255.69<br />
30.18<br />
342.61<br />
47.34<br />
158.02<br />
PTC (mg C.m -2 .h -1 )<br />
(186.34)<br />
(171.28)<br />
(21.12)<br />
(93.73)<br />
(43.39)<br />
(3.35)<br />
(541.60)<br />
(9.53)<br />
(387.40)<br />
(14.60)<br />
(317.47)<br />
(12.39)<br />
(85.18)<br />
220.04<br />
172.27<br />
37.11<br />
173.57<br />
30.79<br />
18.18<br />
140.67<br />
13.84<br />
74.20<br />
16.90<br />
94.54<br />
32.25<br />
64.07<br />
POC (mg C.m -2 .h -1 )<br />
(132.85)<br />
(139.24)<br />
(18.98)<br />
(95.78)<br />
(18.19)<br />
(0.10)<br />
(76.24)<br />
(5.38)<br />
(33.15)<br />
(9.77)<br />
(48.74)<br />
(16.26)<br />
27.46)<br />
66.49<br />
79.56<br />
91.34<br />
90.29<br />
46.47<br />
42.95<br />
26.16<br />
57.87<br />
29.02<br />
56.01<br />
27.59<br />
68.14<br />
40.55<br />
POC:PTC (%)<br />
17.54<br />
12.48<br />
4.75<br />
17.77<br />
4.35<br />
2.04<br />
10.52<br />
1.37<br />
5.06<br />
2.11<br />
7.46<br />
3.21<br />
8.04<br />
PON (mg N.m -2 .h -1 )<br />
(8.09)<br />
(9.15)<br />
(2.44)<br />
(7.06)<br />
(2.29)<br />
(0.14)<br />
(8.62)<br />
(0.47)<br />
(1.45)<br />
(0.65)<br />
(2.99)<br />
(0.82)<br />
(3.70)<br />
13.18<br />
50.48<br />
47.06<br />
196.46<br />
6.19<br />
4.07<br />
22.87<br />
3.70<br />
8.40<br />
2.44<br />
13.93<br />
10.58<br />
12.36<br />
189<br />
Chl a (µg.m -2 .h -1 )<br />
(5.91)<br />
(11.63)<br />
(13.02)<br />
(72.42)<br />
(3.34)<br />
(0.01)<br />
(21.86)<br />
(1.55)<br />
(2.14)<br />
(0.37)<br />
(2.95)<br />
(3.16)<br />
(5.22)<br />
130.85<br />
274.74<br />
227.88<br />
484.97<br />
73.35<br />
39.95<br />
159.28<br />
27.07<br />
64.88<br />
20.14<br />
99.73<br />
73.45<br />
90.66<br />
Phaeopigments<br />
(60.38)<br />
(60.77)<br />
(68.50)<br />
(165.49)<br />
(48.38)<br />
(1.31)<br />
(100.20)<br />
(4.54)<br />
(17.76)<br />
(4.16)<br />
(24.14)<br />
(14.15)<br />
(36.77)<br />
(µg.m -2 .h -1 )<br />
-20.35<br />
-21.09<br />
-22.75<br />
-20.12<br />
-23.84<br />
-22.74<br />
-24.6<br />
-22.70<br />
-24.62<br />
-22.70<br />
-21.51<br />
-20.00<br />
-<br />
δ 13 C (‰)<br />
(1.13)<br />
(0.47)<br />
(0.93)<br />
(0.86)<br />
(1.07)<br />
(1.31)<br />
(0.77)<br />
(2.06)<br />
(0.55)<br />
(1.62)<br />
(0.18)<br />
(0.99)<br />
4.31<br />
4.06<br />
4.63<br />
4.40<br />
3.58<br />
3.38<br />
2.59<br />
4.00<br />
3.73<br />
2.07<br />
3.94<br />
4.00<br />
-<br />
δ 15 N (‰)<br />
(0.47)<br />
(0.59)<br />
(0.82)<br />
(0.98)<br />
(1.10)<br />
(1.17)<br />
(0.47)<br />
(0.56)<br />
(1.02)<br />
(0.50)<br />
(0.92)<br />
12.54<br />
13.80<br />
7.82<br />
9.78<br />
7.08<br />
8.93<br />
9.95<br />
10.09<br />
14.65<br />
8.02<br />
12.66<br />
10.05<br />
7.98<br />
POC:PON (W:W)<br />
0.15<br />
0.18<br />
0.21<br />
0.41<br />
0.08<br />
0.10<br />
0.14<br />
0.14<br />
0.13<br />
0.12<br />
0.14<br />
0.14<br />
0.14<br />
Chl a:Phaeo (W:W)<br />
2.08<br />
1.93<br />
1.36<br />
2.73<br />
1.08<br />
1.14<br />
0.57<br />
0.95<br />
0.85<br />
0.70<br />
0.62<br />
1.22<br />
0.95<br />
POC:TPM (%)
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