384
Romero et al.
Species or group of speciesfaclor I
faclor 2
faclor 3
faclor 4
faclor 5
fac lor 6
faclor 7
Actinocyclus spp.
-0.321
0. 156
0. IS6
-0.521
0.325
-0.232
0.072
Actlnoptychus st!flarillS
-0.307
-0.590
0. 102
-0.344
-0.333
-0.03 1
-0.493
A/veils marbws
-0.743
1.829
-0.625
-0.7 11
-0. 149
-0.60S
0.429
ASlerolampra mary/andiClJ
-0.386
-0.3 19
-0.353
-0.4 70
-0.383
-0. 146
-0 .213
Allerompha/us spp.
-0.270
-0.525
-0.207
-0. 192
-0.006
-0. IS5
-0.200
Azpeilia ajricana
-0.27 1
-0.625
-0.294
-0. 127
-0.232
-0. 140
-0.262
A. neocrcllu/ata. A. labu/aris.
0.56 1
2.824
-031 1
-1.219
0810
-1.69 1
-0.202
II. tabu/aris Vat. egregil.ls
A. !lodlllifera / A. barronil
0.933
-Ll90
0.063
-0.004
4_925
0.288
0.170
Clmc/oceros reSting spores
-0.470
0.254
5.746
0.156
-0 .189
-0.624
-0.249
Coscinot/iscJI$ $PP.
-0.234
-0.619
0.266
-0.351
-0.346
0.027
"().474
Delplr;neis karSlenii
-0.303
-0.673
0.033
-0.251
-0.353
-0.0 10
-0.496
Freshwilter taxa
0.571
-0.915
0.029
0.077
-0.069
-0.257
5.658
Fragilariopsi.f dalia/us
0.789
1.538
-0.072
-0.271
0.837
4.589
0.572
F. kerguelensis
-0.341
-0.531
-0.445
-0.606
-0.484
0.787
-0.228
Hemidiscus cuneiformis
-0.382
0.002
-0.326
-0.631
0.008
-0.055
-0 .2 10
Novicllia sp p.
-0.307
-0.593
-0.318
-0.417
-0.387
-0.012
-0. 109
Nitzschia hicapitala group
-0.356
-0. 185
-0.364
2.779
-0.409
0.268
0.054
N. capll/l/spa/ae
-0.224
-0.362
-0.3 19
-0.090
-0.456
0.2 18
0 .
291
IV. illlerrupleslriala
-0.078
-0.5 15
-0.336
0.606
-0 .055
-0 .056
0.031
N. sicilia group
-0.379
-0.489
-0.224
0.850
-0 .035
-0 .222
-0.379
Paratia . uleala
-0.277
-0.656
0.099
-0.246
-0.390
-0.216
-0.479
Poros/ra dellliclliata
-0.275
-0.603
-0.313
-0.320
-0.339
-0.053
-0.229
Proboscia alala
-0. 175
-0.467
-0.237
-0.470
-0.472
0. 127
-0.29 1
Pselldo-nilzschia i!ljlalllla var. capitala
-0.297
-0.540
-0.334
-0.226
"().402
..().035
-0.264
Psellda-nilzschia spp.
-0.301
-0.636
-0.320
-0.282
-0.364
0.023
-0.137
Pseudolrlceralium punclotultt
-0.363
-0.255
-0.330
-0.290
-0 . 156
-0.345
-0. 185
RJ,i:osolellia bergoll/l
5.6 14
-0.283
0.242
0. 198
- 1.437
-0.386
-0.650
Rlti:osolell/a spp.
-0.11 8
-0.693
-0.181
0.926
-0.339
-0.003
-0. 104
Roperia lesselala
-0. 155
-0.093
0.082
1.210
2.317
-0.864
-0.668
Skeletonema costalUm
-0.331
-0.630
-0.179
-0.390
-0.359
-0.041
0.033
771olassionemo badllore
-0.314
-0 .508
-0.286
-0 .172
-0.424
-0.107
-0.116
T. 1Ii1;'fchioides var. nitzschioides
-0.519
1.065
1.011
-0.295
-0 .693
2.711
1.190
T.. nilzschioides V8I. pan'tl
-0.270
2.317
-0.515
4.102
-0.461
-0.440
0.087
171Q/as.fiosira jerelineala
0.084
-0.532
-0.202
-0.502
-0. 157
0.095
-0.285
T. leplopus
-0.232
-0.517
-0.319
-0.304
-0.372
-0.091
-0. 105
T.lineata
-0. 177
0. 198
-0.245
-0.237
-0 .120
-0. 102
-0.275
T. oeslrupii (in cl. T. oesln1pii
-0. IS7
1.525
-0.374
-0.374
-0.096
0.228
0.269
var. vtwrickae)
T. eccclllrica group
0.296
-0. 138
0.126
0.847
0.605
-0 .522
-0.362
77talas.iolltrix group (i ncl. Liolall/aspp .)
0.209
2.376
-0.271
-1 .757
0.318
-1.504
0.045
Variance 25 . 110
28 .512
13 .882
5.858
10.068
5.975
3.587
Table 4_ Varimax Factor Scores Matrix. Factor scores for analysis on surface sediment samples using all taxa with
abundances higher than 1.5% oftotal assemblage in at least one sample. Shading indicates dominant diatom taxa
within each factor.
Romero et al.
Species or group of speciesfaclor I
faclor 2
faclor 3
faclor 4
faclor 5
fac lor 6
faclor 7
Actinocyclus spp.
-0.321
0. 156
0. IS6
-0.521
0.325
-0.232
0.072
Actlnoptychus st!flarillS
-0.307
-0.590
0. 102
-0.344
-0.333
-0.03 1
-0.493
A/veils marbws
-0.743
1.829
-0.625
-0.7 11
-0. 149
-0.60S
0.429
ASlerolampra mary/andiClJ
-0.386
-0.3 19
-0.353
-0.4 70
-0.383
-0. 146
-0 .213
Allerompha/us spp.
-0.270
-0.525
-0.207
-0. 192
-0.006
-0. IS5
-0.200
Azpeilia ajricana
-0.27 1
-0.625
-0.294
-0. 127
-0.232
-0. 140
-0.262
A. neocrcllu/ata. A. labu/aris.
0.56 1
2.824
-031 1
-1.219
0810
-1.69 1
-0.202
II. tabu/aris Vat. egregil.ls
A. !lodlllifera / A. barronil
0.933
-Ll90
0.063
-0.004
4_925
0.288
0.170
Clmc/oceros reSting spores
-0.470
0.254
5.746
0.156
-0 .189
-0.624
-0.249
Coscinot/iscJI$ $PP.
-0.234
-0.619
0.266
-0.351
-0.346
0.027
"().474
Delplr;neis karSlenii
-0.303
-0.673
0.033
-0.251
-0.353
-0.0 10
-0.496
Freshwilter taxa
0.571
-0.915
0.029
0.077
-0.069
-0.257
5.658
Fragilariopsi.f dalia/us
0.789
1.538
-0.072
-0.271
0.837
4.589
0.572
F. kerguelensis
-0.341
-0.531
-0.445
-0.606
-0.484
0.787
-0.228
Hemidiscus cuneiformis
-0.382
0.002
-0.326
-0.631
0.008
-0.055
-0 .2 10
Novicllia sp p.
-0.307
-0.593
-0.318
-0.417
-0.387
-0.012
-0. 109
Nitzschia hicapitala group
-0.356
-0. 185
-0.364
2.779
-0.409
0.268
0.054
N. capll/l/spa/ae
-0.224
-0.362
-0.3 19
-0.090
-0.456
0.2 18
0 .
291
IV. illlerrupleslriala
-0.078
-0.5 15
-0.336
0.606
-0 .055
-0 .056
0.031
N. sicilia group
-0.379
-0.489
-0.224
0.850
-0 .035
-0 .222
-0.379
Paratia . uleala
-0.277
-0.656
0.099
-0.246
-0.390
-0.216
-0.479
Poros/ra dellliclliata
-0.275
-0.603
-0.313
-0.320
-0.339
-0.053
-0.229
Proboscia alala
-0. 175
-0.467
-0.237
-0.470
-0.472
0. 127
-0.29 1
Pselldo-nilzschia i!ljlalllla var. capitala
-0.297
-0.540
-0.334
-0.226
"().402
..().035
-0.264
Psellda-nilzschia spp.
-0.301
-0.636
-0.320
-0.282
-0.364
0.023
-0.137
Pseudolrlceralium punclotultt
-0.363
-0.255
-0.330
-0.290
-0 . 156
-0.345
-0. 185
RJ,i:osolellia bergoll/l
5.6 14
-0.283
0.242
0. 198
- 1.437
-0.386
-0.650
Rlti:osolell/a spp.
-0.11 8
-0.693
-0.181
0.926
-0.339
-0.003
-0. 104
Roperia lesselala
-0. 155
-0.093
0.082
1.210
2.317
-0.864
-0.668
Skeletonema costalUm
-0.331
-0.630
-0.179
-0.390
-0.359
-0.041
0.033
771olassionemo badllore
-0.314
-0 .508
-0.286
-0 .172
-0.424
-0.107
-0.116
T. 1Ii1;'fchioides var. nitzschioides
-0.519
1.065
1.011
-0.295
-0 .693
2.711
1.190
T.. nilzschioides V8I. pan'tl
-0.270
2.317
-0.515
4.102
-0.461
-0.440
0.087
171Q/as.fiosira jerelineala
0.084
-0.532
-0.202
-0.502
-0. 157
0.095
-0.285
T. leplopus
-0.232
-0.517
-0.319
-0.304
-0.372
-0.091
-0. 105
T.lineata
-0. 177
0. 198
-0.245
-0.237
-0 .120
-0. 102
-0.275
T. oeslrupii (in cl. T. oesln1pii
-0. IS7
1.525
-0.374
-0.374
-0.096
0.228
0.269
var. vtwrickae)
T. eccclllrica group
0.296
-0. 138
0.126
0.847
0.605
-0 .522
-0.362
77talas.iolltrix group (i ncl. Liolall/aspp .)
0.209
2.376
-0.271
-1 .757
0.318
-1.504
0.045
Variance 25 . 110
28 .512
13 .882
5.858
10.068
5.975
3.587
Table 4_ Varimax Factor Scores Matrix. Factor scores for analysis on surface sediment samples using all taxa with
abundances higher than 1.5% oftotal assemblage in at least one sample. Shading indicates dominant diatom taxa
within each factor.