Table S6. Pearson correlation coefficients for comparisons between metric time series derived from the Scottish West Coast Groundfish Survey (SWCGS) undertaken in the first (Q1) and fourth (Q4) quarters of the year in the southwestern sector of the Scottish Continental Shelf sub-region. In columns headed 1y lag, a plus one-year lag was introduced to the Q4 survey time series. The row marked “No years” indicates the number of years overlap between the two series in the correlation analysis. Coefficients in bold are statistically significant (P<0.05) in a one-way test (only positive relationships considered significant).
Survey 1
|
IBTS Q1
|
IBTS Q1
|
Survey 2
|
IBTS Q3
|
IBTS Q3
|
Metric
|
No Lag
|
1y lag
|
B
|
0.198
|
-0.136
|
N
|
0.358
|
0.095
|
P
|
0.392
|
-0.077
|
P/B
|
0.631
|
0.519
|
LFI
|
0.106
|
0.345
|
W
|
0.224
|
0.497
|
S
|
-0.058
|
0.060
|
SMarg
|
0.128
|
0.220
|
J
|
-0.012
|
0.690
|
N1
|
0.037
|
0.613
|
N2
|
-0.157
|
0.444
|
L∞
|
-0.320
|
0.120
|
K
|
-0.307
|
0.119
|
Amat
|
-0.159
|
0.065
|
Lmat
|
-0.444
|
0.034
|
|
|
|
No. years
|
17
|
17
|
Table S7. Pearson correlation coefficients for comparisons between metric time series derived from the International Bottom Trawl Surveys (IBTS) undertaken in the first (Q1) and third (Q3) quarters of the year in the northwestern sector of the Scottish Continental Shelf sub-region. In columns headed 1y lag, a plus one-year lag was introduced to the Q4 survey time series. The row marked “No years” indicates the number of years overlap between the two series in the correlation analysis. Coefficients in bold are statistically significant (P<0.05) in a one-way test (only positive relationships considered significant).
Figure S1. Trends in fifteen metrics quantifying different aspects of the composition, structure and functioning of the demersal fish assemblage in the Northern North Sea sub-region. Metrics are applied to data derived from ICES co-ordinated International Bottom Trawl Surveys carried out in the first (Q1) and third (Q3) quarters of the year. See Table 1 (in main body of report) for explanation of metrics (y axis labels).
Figure S1. Trends in fifteen metrics quantifying different aspects of the composition, structure and functioning of the demersal fish assemblage in the Southern North Sea sub-region. Metrics are applied to data derived from ICES co-ordinated International Bottom Trawl Surveys carried out in the first (Q1) and third (Q3) quarters of the year. See Table 1 (in main body of report) for explanation of metrics (y axis labels).
Figure S3. Trends in fifteen metrics quantifying different aspects of the composition, structure and functioning of the demersal fish assemblage in the Eastern Channel sub-region. Metrics are applied to data derived from French Groundfish Survey of the Channel (FGSC) carried out in the fourth (Q4) quarter of the year. See Table 1 (in main body of report) for explanation of metrics (y axis labels).
Figure S4. Trends in fifteen metrics quantifying different aspects of the composition, structure and functioning of the demersal fish assemblage in the Western Channel and Celtic Sea sub-region. Metrics are applied to data derived from ICES co-ordinated International Bottom Trawl Surveys carried out in the first (Q1) and third (Q3) quarters of the year. See Table 1 (in main body of report) for explanation of metrics (y axis labels).
Figure S5. Trends in fifteen metrics quantifying different aspects of the composition, structure and functioning of the demersal fish assemblage in the Irish Sea sub-region. Metrics are applied to data derived from ICES co-ordinated International Bottom Trawl Surveys carried out in the first (Q1) and third (Q3) quarters of the year. See Table 1 (in main body of report) for explanation of metrics (y axis labels).
Figure S6. Trends in fifteen metrics quantifying different aspects of the composition, structure and functioning of the demersal fish assemblage in the Minches and Western Scotland sub-region. Metrics are applied to data derived from Scottish West Coast Groundfish Surveys carried out in the fourth (Q4) and first (Q1) quarters of the year. See Table 1 (in main body of report) for explanation of metrics (y axis labels).
Figure S7. Trends in fifteen metrics quantifying different aspects of the composition, structure and functioning of the demersal fish assemblage in the southwestern sector of the Scottish Continental Shelf sub-region. Metrics are applied to data derived from Scottish West Coast Groundfish Surveys carried out in the fourth (Q4) and first (Q1) quarters of the year. See Table 1 (in main body of report) for explanation of metrics (y axis labels).
Figure S8. Trends in fifteen metrics quantifying different aspects of the composition, structure and functioning of the demersal fish assemblage in the northeastern sector of the Scottish Continental Shelf sub-region. Metrics are applied to data derived from ICES co-ordinated International Bottom Trawl Surveys carried out in the first (Q1) and third (Q3) quarters of the year. See Table 1 (in main body of report) for explanation of metrics (y axis labels).
Figure S9. Rockall Trough and Bank sub-region covered by the SRGS. Circle indicates the plateau region covered by the survey, and for which data are analysed in this annex.
Figure S10. Trends in fifteen metrics quantifying different aspects of the composition, structure and functioning of the demersal fish assemblage in the Rockall sub-region. Metrics are applied to data derived from Scottish Rockall Groundfish Surveys carried out in the third (Q3) quarter of the year. See Table 1 (in main body of report) for explanation of metrics (y axis labels).
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