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What is the main cause of fish kills in rivers polluted by fertilizers?
Wiki User
∙ 10y ago
High nitrate levels in the water cause an increase in algal growth with reduces the amount of oxygen in the water, which in turn cause the fish to die.
Wiki User
∙ 10y ago
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How do fertilizers affect water ecosystems?
Fertilizer runoffs have a huge impact on water ecosystems. The fertilizers increase the growthof algae and other aquatic weeds just as it improves plant production in normal soil. The excessive growth of algae and other aquatic plants form a blanket on the water surface, preventing sunlight from entering the water and using up most of the dissolved oxygen. This suffocates and kills other forms of aquatic life.
What part of the blood kills germs?
The part of the blood that kills germs are the white cells.
Is salt kills slugs a topic or a hypothesis?
"Salt kills slugs" is a hypothesis, not a topic statement.
What kills Streptococcus?
One thing that kills Steptococcus is antibiotics, which is why doctors prescribe antibiotics when you have strep throat.
What organ kills bacteria?
The organ that kills bacteria is the stomach. The stomach produces acids that kill the bacteria as it digests food.
How does polluted rivers effect birds?
It kills them
Why is it not advisable to use fertilizers excessively?
Runoff enters streams, rivers, and lakes, fertilizing algae which kills the fish and other aquatic life.
What are the effects of fertilizers on brine shrimp?
it kills the brine shrimp (sea monkeys) it kills the brine shrimp (sea monkeys)
Why are artificial fertilizers bad for wildlife?
NObecause it can cause alge in water which kills the fish underneathAlso, artificial fertilizers do nothing to improve the health of the soil, so they will have to be regularly reapplied. It is better to amend the soil with compost, as this actually feeds the soil and improves it, over time.
How phosphate cause pollution?
Phosphates are fertilizers. When excess amounts of phosphates enter bodies of water (rivers, lakes, etc.) there will be a tremendous growth of algae as a result of the fertilization. This algae will eventually form large masses of rotting vegetable matter which will deplete the oxygen in the water which kills all the fish. Then you have dead rotting fish along with the dead rotting vegetable matter, and the whole thing is very nasty.
How does the use of fertilizers potentially affect the water supply?
Fertilizers affect the water supply ,It kills all kinds of speies that live in and around the water and by thorwing toxins and can make people very sick and can even die.
What is organic according to usda?
Anything that kills is not an organ. Allways try to catch the drop of rain where ever it may fall as well as the fertilizers.
What are the bad effects of chemical fertilizers?
They harm the soil by making it acidic. The acidic material does not allow the plants to grow. the soil then has to be neutralised by adding basic material to it. They can actually poison your plants not only the annoying bugs that eat them. Also if you have a pet and it gets into the plant that has been sprayed, it can be fatal. It also kills many good living creatures that we need. A lot of the fertilizer is washed off and makes its way to contaminate waterways where it is not welcome.
Can you breathe polluted air why?
Many people in big cities breathe polluted air. Why? - the pollution is mixed with the air you breathe. =============================== "Can you breathe it?" is not the question you want to ask. You can breathe anything that's in the form of a gas, or particles dispersed in gas ... carbon dioxide, helium, carbon monoxide, steam, nerve gas, tobacco smoke, alpha-particle plasma, etc. For any gas, the question you want to ask is "How long can you survive while you breathe it ?" You cannot survive as long breathing polluted air as you can survive breathing clean air. In other words, polluted air kills people. Not in a minute, not in an hour, and not in a day. But people don't live as long in polluted air, and that's exactly the same as saying that polluted air kills people.
Why does war cause problems?
It kills people
How do you kill Darkrai?
you don't cause he kills you
What are vampires frightened of?
wood cause it kills them
