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they cause algae and plants to grow out of control
Oil spills effect the bio systems of rivers and lakes very badly. the Biological oxygen demand (BOD) is low. the levels of oxygen present in the water is completely reduced because the oil forms a layer over the surface of water without allowin contact with the atmosphere.
What else can I help you with?
What might happen to organisms living fast moving river if a dam is built on the river?
the organisms would not be recieving fresh nutrients, wastes will be backed up, and many organisms not able to withstand the pressure will die
How do dams affect orgaNisms living in a river?
Something like how a stuffy nose affects breathing through your nose.
Two human activities that affect land resources?
Some two human activities that affect land resources include encroachment into forests and directing industrial wastes into rivers. Industrial effluents can lead to poisoning of the fish in the river.
How does the Mississippi River affect the Nile River?
It does not affect the Nile.
What is the biodiversity of river?
The different animals and organisms present in a river.
How are lake and river organism different?
a river organisms are that they have different animals in lake and river
Why does the oxygen lvel in water decrease as a result of dumping diodegradable wastes in a river?
In all bodies of water, there live micro-bacteria that need food just like us. These bacteria are not producers like plants; they cannot produce their own food. These bacteria decompose the biodegradable wastes that were dumped. When they do, they need Oxygen in order to break the wastes down into simpler molecules. Therefore, the amount of dissolved Oxygen in the river decreases.
What are the Organisms in an ecosystem?
River,forest,desert
Is it possible for the cuyahoga river to catch fire here in 2012?
No its not possible for the river to catch on fire here in 2012 because the people that work for the city of garbage have stoped put there wastes in the Cuyahoga River.
What objects create pollution?
smoke dumping of solid wastes washing clothes in the river and also bathing animals
How does the Erie Canal affect the outline of the St Lawrence River?
The Erie Canal has no affect on the outline of the St. Lawrence River.
Might the damming of a river affect an estuary at the river's mouth?
Yess.
