Watershed
The basin area is 78,910 square kilometres, 2% of which is forest and 78% cultivated land. In addition to Paris, three other cities with a population over 100,000 are in the Seine watershed—Le Havre, Rouen, and Rheims—with an annual urban growth rate of 0.2%. The population density is 201 per square kilometre.
Read more about this topic: Seine