480
P. Del Negro et al.
Bacteria (cellslml)
Fig. 2. Box and whisker plots
3
showing the range and the
median bacterial abundance
. . ,
along each transect in four
different seasons (1, Spring;
2, Summer; 3, Autumn; 4,
Winter)
0'
Oil
81
0"
0"
'"
.."
~~Q+~
()!I
0
N= 38 53 56 69 46 46 57 12 41 47 57 12 38 58
IB 1E 1H 1M 28 2E 2H 2M 38 3E 3H 3M 4B 4E
'!able 2. Picophytoplankton abundance (10 4 cell mL -1): each datum represents the mean value and standard deviation (SD) of
picophytoplankton densities along the water column
Station
Spring
Summer
Autumn
Wmter
Mean
SO
Mean
SD
Mean
SD
Mean
SD
BOI
2.207
0.369
14.580
7.627
8.488
4.806
0.633
0.171
B02
5.816
5.830
16.129
10.060
0.797
0.191
B03
5.710
2.816
3.219
1.065
5.543
1.653
1.104
0.465
B05
1.710
1.032
3.148
2.135
1.628
1.320
0.958
0.220
B07
1.784
1.392
3.534
2.383
1.336
0.760
1.051
0.693
B08
4.098
2.153
1.992
0.846
1.338
0.568
B09
1.654
0.829
5.460
3.163
2.932
1.288
1.427
Q.601
B10
2.780
0.693
2.525
1.342
1.371
0.690
B11
1.671
1.250
2.922
1.324
1.105
0.717
1.700
0.169
B12
2.214
1.090
4.223
1.786
2.071
0.973
0.897
0.419
E02
0.899
0.289
3.926
1.653
5.479
1.929
0.772
0.119
E03
1.305
1.129
2.264
1.367
1.168
0.598
0.589
0.299
E05
0.918
0.699
2.260
1.325
1.690
1.024
0.691
0.193
E06
0.740
0.564
1.927
1.278
1.125
0.905
0.553
0.287
E08
10.915
0.615
1.596
1.004
1.609
1.220
0.732
0.196
B09
2.100
2.046
2.271
1.786
1.735
1.494
0.606
0.273
Ell
1.483
1.214
2.464
2.110
1.866
1.360
0.686
0.204
El2
1.171
0.735
2.571
1.829
2.455
1.956
1.036
0.229
H02
1.317
0.748
3.235
2.201
4.041
2.878
0.562
0.393
H04
0.566
0.237
2.341
2.104
1.143
1.027
1.169
0.840
H06
2.135
3.033
0.850
0.732
1.178
1.123
1.033
0.556
HOB
2.553
1.991
0.917
1.023
0.837
1.117
0.626
0.377
HI0
2.940
1.570
1.544
1.611
1.056
1.183
1.128
0.698
H12
2.281
2.028
0.977
1.183
0.840
1.122
0.866
0.410
MOl
1.912
0.934
4.779
0.855
5.538
1.734
0.520
0.109
MOl
2.161
1.052
3.470
1.871
3.017
2.337
0.452
0.230
M05
1.215
1.174
1.239
1.896
1.780
2.548
0.414
0.227
M07
0.526
0.913
0.851
1.505
0.947
1.422
0.284
0.315
M09
0.389
0.539
0.711
1.246
0.920
1.466
0.565
0.446
MIl
0.791
0.679
1.153
1.662
0.500
0.802
0.703
0.731
P. Del Negro et al.
Bacteria (cellslml)
Fig. 2. Box and whisker plots
3
showing the range and the
median bacterial abundance
. . ,
along each transect in four
different seasons (1, Spring;
2, Summer; 3, Autumn; 4,
Winter)
0'
Oil
81
0"
0"
'"
.."
~~Q+~
()!I
0
N= 38 53 56 69 46 46 57 12 41 47 57 12 38 58
IB 1E 1H 1M 28 2E 2H 2M 38 3E 3H 3M 4B 4E
'!able 2. Picophytoplankton abundance (10 4 cell mL -1): each datum represents the mean value and standard deviation (SD) of
picophytoplankton densities along the water column
Station
Spring
Summer
Autumn
Wmter
Mean
SO
Mean
SD
Mean
SD
Mean
SD
BOI
2.207
0.369
14.580
7.627
8.488
4.806
0.633
0.171
B02
5.816
5.830
16.129
10.060
0.797
0.191
B03
5.710
2.816
3.219
1.065
5.543
1.653
1.104
0.465
B05
1.710
1.032
3.148
2.135
1.628
1.320
0.958
0.220
B07
1.784
1.392
3.534
2.383
1.336
0.760
1.051
0.693
B08
4.098
2.153
1.992
0.846
1.338
0.568
B09
1.654
0.829
5.460
3.163
2.932
1.288
1.427
Q.601
B10
2.780
0.693
2.525
1.342
1.371
0.690
B11
1.671
1.250
2.922
1.324
1.105
0.717
1.700
0.169
B12
2.214
1.090
4.223
1.786
2.071
0.973
0.897
0.419
E02
0.899
0.289
3.926
1.653
5.479
1.929
0.772
0.119
E03
1.305
1.129
2.264
1.367
1.168
0.598
0.589
0.299
E05
0.918
0.699
2.260
1.325
1.690
1.024
0.691
0.193
E06
0.740
0.564
1.927
1.278
1.125
0.905
0.553
0.287
E08
10.915
0.615
1.596
1.004
1.609
1.220
0.732
0.196
B09
2.100
2.046
2.271
1.786
1.735
1.494
0.606
0.273
Ell
1.483
1.214
2.464
2.110
1.866
1.360
0.686
0.204
El2
1.171
0.735
2.571
1.829
2.455
1.956
1.036
0.229
H02
1.317
0.748
3.235
2.201
4.041
2.878
0.562
0.393
H04
0.566
0.237
2.341
2.104
1.143
1.027
1.169
0.840
H06
2.135
3.033
0.850
0.732
1.178
1.123
1.033
0.556
HOB
2.553
1.991
0.917
1.023
0.837
1.117
0.626
0.377
HI0
2.940
1.570
1.544
1.611
1.056
1.183
1.128
0.698
H12
2.281
2.028
0.977
1.183
0.840
1.122
0.866
0.410
MOl
1.912
0.934
4.779
0.855
5.538
1.734
0.520
0.109
MOl
2.161
1.052
3.470
1.871
3.017
2.337
0.452
0.230
M05
1.215
1.174
1.239
1.896
1.780
2.548
0.414
0.227
M07
0.526
0.913
0.851
1.505
0.947
1.422
0.284
0.315
M09
0.389
0.539
0.711
1.246
0.920
1.466
0.565
0.446
MIl
0.791
0.679
1.153
1.662
0.500
0.802
0.703
0.731