Eutrophication: Understanding the Impact on Aquatic Ecosystems #shortvideo #shortsfeed #ytshorts
Eutrophication
Derived from Greek word EU ( well or enrich) + Trophes ( food or Nutrients)
Oligotrophic: Less Nutrients
Mesotrophic: Moderate Nutrients
Eutrophic: Excessive Nutrients
•Eutrophication is the gradual increase in the concentration of phosphorus, nitrogen, and other plant nutrients mainly accumulated due to agricultural run-offs
•It is a problem in marine habitats such as
lakes as it can cause algal blooms.
•Increased algal growth results in loss of available oxygen, known as anoxia.
•These anoxic conditions can kill fish and other aquatic organisms
Types of Eutrophication
1. Natural Eutrophication: The process of nutrient accumulation, flow, and addition to
water bodies that results in changes in primary production and species composition of
the community.
2. Cultural Eutrophication: The process of speeding up natural eutrophication caused
by human activity.
Effects of eutrophication:
1. Species diversity decreases and the dominant biota changes
2. Plant and animal biomass increase
3. Turbidity increases
4. Rate of sedimentation increases, shortening the lifespan of the lake
5. Anoxic conditions may develop which can kill fish
Control of Eutrophication
▪Minimising Pollution: If industries and municipalities can confine their waste discharge
and pollution, nutrient content in water systems will be reduced, which will help to
control eutrophication.
▪Strengthen Laws and Regulations: The laws should strive to improve high water quality
standards and zero-tolerance for non-point solutions. Use of fertilizers in drainage area
should be controlled to reduce its entry in surface runoff
▪Ultrasonic Irradiation: The process produces free radicals that destroy algae cells by
causing cavitations.
▪Recycling of nutrients through harvest
▪Removal of algal blooms by dredging
▪Applying algaecides like copper sulphates, chlorine etc
▪Methods can be applied to reduce soil erosion
▪Lime can be added to remove phosphorous by precipitation
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Eutrophication हिंदी में: Understanding the Impact on Aquatic Ecosystems #shortsfeed #ytshorts
