Oxygen, living organisms, less water
Answer:
ooh yeh the river tees walls forms a barrage that divides the tees estuary and the catchment from the upstream, this helps stabilaze water levels for amenity purpose. so it you ask me how its been managed then:
the humans where the one to bring up the idea of
putting the barrage in there
Ones like Egypt use resources different because they can be close to the Nile river which provides rich soil for crops and water but people in countries like China use a lot of Bamboo for things since that is commonly grown there
