Cremer: Spatial Distribution otDiatom Sudace Sediment Assemblages
545
Table 3 (continued):
No.
SamJlle
Latitude (ON) Longitude (OE) Communality Factor I Factor 2 Factor 3 Factor 4
54
KD9533
71°14.0
131°20.6
0.683
-0.110
0.804
-0.167
0.056
55
KD9541
73°22.8
129°56.5
0.732
-0.007
0.835
-0.046
0.063
56
KD9548
75°28.7
130°41.7
0.934
0.282
-0.028
0.534
0.150
57
KD9555
75°36.0
134°31.3
0.959
0.261
-0.066
0.636
0.060
58
KD9560
73°47.7
126°17.6
0.750
-0.126
0.629
0.191
0.305
59
KD9561
73°54.1
126°54.8
0.958
0.271
0.431
0.307
0.253
60
KD9565
73°50.7
120°19.0
0.947
0.106
0.019
0.728
0.035
61
KD9568
75°29.1
1]4028.9
0.894
-0.086
-0.024
0.090
0.730
62
KD9572
77°01.4
116°03.0
0.940
0.294
-0.060
0.663
-0.026
63
PM94 02
75°29.4
115°14.9
0.856
0.748
-0.033
0.067
-0.002
64
PM94 17
75°30.1
130°00.8
0.955
0.873
-0.037
-0.219
(Ull I
65
PM9441
74°00.0
125°59.2
0.872
0.405
-0.010
0.461
cum
66
PM9442
74°29.9
126°00.2
0.972
0.849
0.051
-0.112
0.033
67
PM9457
74°30.1
133°29.9
0.933
-0.002
-0.060
0.801
0.004
68
PM9462
74°30.1
136°00.2
0.967
-o.on -0.035 0.750 0.147
69
PM9463
74°30.2
126°34.9
0.924
0.621
0.025
-0.310
0.399
70
PM9475
n015.0
133°59.7
0.858
0.011
0.489
0.559
-0.0 ]()
71
PM9481
73°45.0
134°00.2
0.965
-0.039
-0.054
0.868
-0.078
72
PM9482
73°59.9
128°10.4
0.938
0.907
0.249
-0.192
-0.124
73
PM9492
74°30.0
119°50.1
0.930
0.1 ]()
-0.(6)
-0.067
0.726
74
PM9494
74°30.0
1]4017.0
0.895
0.739
-0.063
0.348
-0.265
75
PM9499
75°30.0
115°32.7
0.695
0.563
-0.101
0.205
0.039
Variance (%): 43.900
19.900
11.800
5.800
Cumulative Variance (%): 43.900
63.800
75.600
81.400
Table 4: Factor score matrix for 21 species and species groups explaining the composition of each diatom
assemblage. Species and species groups which are characteristic for the factors are underlined.
SJlecies/sJlecies grouJl
Factor I Factor 2 Factor 3 Factor 4
Achnanthes taeniata
-0.257
-0.484
-0.063
-0.402
Arctic-marine-epibenthic species
-0.407
-0.351
0.577
-0.201
Aulacoseira spp.
-0.158
2.nO
-1.365
0.654
Chaetoceros spp. (resting spores)
0.322
-0.194
4.130
-0.251
Coscinodiscus oculus-iridis
-0.440
-0.519
-0.200
-0.198
Cyclotella spp.
-0.365
-0.383
0.001
-0.437
Fossula arctica
2.354
-0.306
-0.433
-1.183
Fragilariopsis group
4.238
0.036
-1.443
-1.136
Freshwater diatoms group
0.282
3.273
-0.357
-0.598
Melosira spp.
-0.578
-0.217
0.189
0273
Navicula peregrina
-0.438
-0.525
-0.175
-0.211
Nitzschia linearis
-0.430
-0.548
0.030
-0.274
Nitzschia spp. (Arctic-marine species)
0.058
-0.348
1.201
-1.262
Paralia sulcata
-0.457
-0.574
-0.026
-0.262
Porosira glacialis
-0.484
-0.444
-0.279
(U55
Thalassiosira antarctica/gravida
-0.100
O.oJ8
-o.no ]()64
Thalassiosira baltica
-0.420
0.482
0399
-0.511
Thalassiosira bulbosa
-0.386
-0.539
-0.140
-D.301
Thalassiosira hyalina
-0.052
-0.544
-0.125
-0.523
Thalassiosira hyperborea
-1.480
-0.364
1.134
0612
Thalassiosira nordenskioeldii
-0.802
-0.209
-2.277
4.992
545
Table 3 (continued):
No.
SamJlle
Latitude (ON) Longitude (OE) Communality Factor I Factor 2 Factor 3 Factor 4
54
KD9533
71°14.0
131°20.6
0.683
-0.110
0.804
-0.167
0.056
55
KD9541
73°22.8
129°56.5
0.732
-0.007
0.835
-0.046
0.063
56
KD9548
75°28.7
130°41.7
0.934
0.282
-0.028
0.534
0.150
57
KD9555
75°36.0
134°31.3
0.959
0.261
-0.066
0.636
0.060
58
KD9560
73°47.7
126°17.6
0.750
-0.126
0.629
0.191
0.305
59
KD9561
73°54.1
126°54.8
0.958
0.271
0.431
0.307
0.253
60
KD9565
73°50.7
120°19.0
0.947
0.106
0.019
0.728
0.035
61
KD9568
75°29.1
1]4028.9
0.894
-0.086
-0.024
0.090
0.730
62
KD9572
77°01.4
116°03.0
0.940
0.294
-0.060
0.663
-0.026
63
PM94 02
75°29.4
115°14.9
0.856
0.748
-0.033
0.067
-0.002
64
PM94 17
75°30.1
130°00.8
0.955
0.873
-0.037
-0.219
(Ull I
65
PM9441
74°00.0
125°59.2
0.872
0.405
-0.010
0.461
cum
66
PM9442
74°29.9
126°00.2
0.972
0.849
0.051
-0.112
0.033
67
PM9457
74°30.1
133°29.9
0.933
-0.002
-0.060
0.801
0.004
68
PM9462
74°30.1
136°00.2
0.967
-o.on -0.035 0.750 0.147
69
PM9463
74°30.2
126°34.9
0.924
0.621
0.025
-0.310
0.399
70
PM9475
n015.0
133°59.7
0.858
0.011
0.489
0.559
-0.0 ]()
71
PM9481
73°45.0
134°00.2
0.965
-0.039
-0.054
0.868
-0.078
72
PM9482
73°59.9
128°10.4
0.938
0.907
0.249
-0.192
-0.124
73
PM9492
74°30.0
119°50.1
0.930
0.1 ]()
-0.(6)
-0.067
0.726
74
PM9494
74°30.0
1]4017.0
0.895
0.739
-0.063
0.348
-0.265
75
PM9499
75°30.0
115°32.7
0.695
0.563
-0.101
0.205
0.039
Variance (%): 43.900
19.900
11.800
5.800
Cumulative Variance (%): 43.900
63.800
75.600
81.400
Table 4: Factor score matrix for 21 species and species groups explaining the composition of each diatom
assemblage. Species and species groups which are characteristic for the factors are underlined.
SJlecies/sJlecies grouJl
Factor I Factor 2 Factor 3 Factor 4
Achnanthes taeniata
-0.257
-0.484
-0.063
-0.402
Arctic-marine-epibenthic species
-0.407
-0.351
0.577
-0.201
Aulacoseira spp.
-0.158
2.nO
-1.365
0.654
Chaetoceros spp. (resting spores)
0.322
-0.194
4.130
-0.251
Coscinodiscus oculus-iridis
-0.440
-0.519
-0.200
-0.198
Cyclotella spp.
-0.365
-0.383
0.001
-0.437
Fossula arctica
2.354
-0.306
-0.433
-1.183
Fragilariopsis group
4.238
0.036
-1.443
-1.136
Freshwater diatoms group
0.282
3.273
-0.357
-0.598
Melosira spp.
-0.578
-0.217
0.189
0273
Navicula peregrina
-0.438
-0.525
-0.175
-0.211
Nitzschia linearis
-0.430
-0.548
0.030
-0.274
Nitzschia spp. (Arctic-marine species)
0.058
-0.348
1.201
-1.262
Paralia sulcata
-0.457
-0.574
-0.026
-0.262
Porosira glacialis
-0.484
-0.444
-0.279
(U55
Thalassiosira antarctica/gravida
-0.100
O.oJ8
-o.no ]()64
Thalassiosira baltica
-0.420
0.482
0399
-0.511
Thalassiosira bulbosa
-0.386
-0.539
-0.140
-D.301
Thalassiosira hyalina
-0.052
-0.544
-0.125
-0.523
Thalassiosira hyperborea
-1.480
-0.364
1.134
0612
Thalassiosira nordenskioeldii
-0.802
-0.209
-2.277
4.992