Essay
Controlling invasive alien plants
- Course
- Institution
Easy to read essay on Controlling invasive alien plants
[Show more]
Seller
Followkumarangovender
Content preview
Write an essay in which you describe how invasive alien plants affect the quality of waterand discuss various ways of controlling invasive alien plants including their advantages
and/or disadvantages.
EFFECT OF ALIEN INVASIVE SPECIES ON WATER QUALITY
• They form a continuous mat on the surface of water.
• This blocks light from reaching the lower levels of the water.
• Photosynthesis at the lower level of water stops.
• The plants die and decompose.
• The population of decomposers increases,
• using up large amounts of oxygen.
• Aquatic animals/ fish/frogs die
• due to lack of oxygen.
• This decreases the quality of water.
MECHANICAL CONTROL
• Removal of invasive species by hand or with machines
• Effective in controlling small populations
Advantage: minimizes harm to non-invasive plants and animals
Disadvantage: Labour intensive and time consuming
CHEMICAL CONTROL
• Uses chemicals /chemical compounds to control spread of alien invasive species
• Effective in both large and small populations
Disadvantage: possible contamination of land and water resources
• and may result in the killing of desirable plants and animal species.
• Target species may develop resistance to the chemicals
BIOLOGICAL CONTROL
• Uses a specific species to control the spread of alien invasive species
• Both indigenous and non-indigenous species may be used
• Can be both environmentally safe
• and successful Use of non-indigenous species may decrease alien invasive species.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller kumarangovender. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $4.51. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
77858 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now