Monday, September 5, 2011

Endangered!

ENDANGERED SPEICIES!!!!

The term 'endangered species' = a population of organisms at risk of becoming extinct because it is
1) few in numbers
2) threatened by changing environmental
3) threatened by predatory parameters.

---- Conservation Status -------
1) Extinct
- Extinct
- Extinct in the wild
2) Threatened
- Critically endangered
- Endangered
- Vulnerable
3) At lower risk
- Conservation dependent
- Near threatened
- Least concerned

------ Reasons contributing to endangered species ------

1) Inability to maintain an animal's ecosystem
2) Pollution
3) Human Activities
4) Climate Change

Example:
The coqui frog in Hawaii. It has its “nocturnal singing” which reduces the value of homes and prevents hotels from using rooms near forests. Hawaiians have proposed eliminating the frog, and several wildlife managers want to release a pathogen to kill the frogs.

------ Importance of maintaining endangered species --------

We should save them due to --> “Aesthetic & Moral justifications"

1) providers of products and services essential to human welfare
2) value of species as indicators of environmental health or crucial to the functioning of ecosystems --> Indicate welfare of the overall environment and ecosystem
3) Scientific breakthroughs --> Provided research that resulted in scientific discoveries
4) Source of art and entertainment
5) Provide products such as medicine for human well-being

Example:
The scrub mint. It has been found that the scrub mint contains an anti-fungal agent and a natural insecticide

No comments:

Post a Comment