The index is calculated from annual catches of sole and plaice in these areas and is the ratio sole/ (sole+plaice). In all seas SST is correlated with the SST anomaly in the North Sea shown in Figure 5.21, i.e. there has been a steadily increasing trend in the past 25 years. Geographical coverage note: North Sea
If you run a business and need to deliver mail and parcels regularly around town, use a bicycle courier service if one is available. Bicycles bypass traffic; are quick; and you will contribute to the improvement of urban air quality in your area.
More green tips