TOPIC: EUTROPHICATION What is eutrophication? What excess nutrients are involved in eutrophication? Where do the nutrients...

TOPIC: EUTROPHICATION

What is eutrophication?
What excess nutrients are involved in eutrophication?
Where do the nutrients primarily come from?
Describe what happens to light levels and oxygen levels during eutrophication and how that happens.
What can we do on our own properties to help reduce eutrophication?

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Expert Solution

Answer-

According to the given question-

Eutrophication- It is excessive algal and plant growth occur in the water bodies due to increase amount of availability of nutrient fertilizers, sunlight, and carbon dioxide that leads to high amount of photosynthesis and the main cause for Eutrophication.
- Eutrophication is also due to several human activities such as point-source discharges as well as loadings of several limiting nutrients required for growth of crops such as phosphorus, nitrogen and phosphorus and these are discharged into aquatic ecosystems and also causes main problem for fishes, drinking water sources.

excess nutrients such as nutrient fertilizers like nitrogen and phosphorus, sewage, detergents, as well as high level of sunlight, and carbon dioxide are involved in eutrophication?
These nutrients primarily come from-
- phosphorus from agriculture through erosion of soil as well as due to fertilizer runoff.
- Nitrogen comes from animal feedlots, sewage treatment plants of municipal area
eutrophication leads to formation of dense mass of foul-smelling phytoplankton which are responsible for decreasing quality of water , their clarity. large amount of Algal growth prevent light penetration, and causes decrease in growth of plants found in littoral zones
- eutrophication rapidly decreases dissolved inorganic carbon and causes increase in pH which affect several organisms.
- When algal blooms occur they start to die and due to which their decomposition reduces dissolved oxygen level and causing hypoxic zone or dead zone
Eutrophication is reduced by
- We have to Change the excess nutrients,
- physical mixing is required for the water,
- Use of strong herbicides and algaecides,
- nutrients are removed from the water bodies
- Decrease in concentrations of nitrogen and phosphorus

gladiator answered 2 years ago

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