Discuss the causes of extinction of wildlife species.
Causes of Extinction of Wildlife
Wildlife species may become totally extinct if no measures are taken to protect them. Some of reasons for extinction of wild life are.
a) Destruction of their natural habitats - by environmental pollution, deforestation, soil erosion, overgrazing, increased urbanization, forest fires, and developmental works.
b) Indiscriminate hunting
Example: Cheetah is extinct in India
c) Introduction of exotic species.
d) Over exploitation of natural resource.
e) Disturbance in migratory routes.
f) International trade in rare animals.
g) Lack of education.
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6 causes of extinction of wildlife species
a) Alteration of habitat:
Destruction of the habitat of a particular wildlife species intentionally or unintentionally leads to extinction of species. The habitat may be destroyed by deforestation, drainage, overgrazing, expanding agriculture, urban and suburban development, highway construction, dam building, etc. As a result of destruction of its habitat, the species must either adapt to the changes, move elsewhere or many succumb to predation, starvation or disease and die.
b) Commercial sport and subsistence, hunting:
Nature has great diversity. It is created, over many millions of years, a large number of species of plants and animals. But it is man who is responsible for the extinction of plant and animal species either directly or indirectly.
It may be a coincidence that all the motives for killing materials begin with the letter ‘F’: food, fats, finery (fur and feathers), fun, financial gain and fear. From time immemorial, man has hunted for food. It is only in relatively recent times that man is killing animals on a large scale for economic gains or even for sport.
Commercially, animals are hunted for their fur, hides, tusks, antlers and various other body parts. Rhinoceros is hunted for its horns. Gharial and crocodile are hunted for their skin, which is used for various purposes. One of the most publicized commercial hunts is that of a whale. The “whalebone” or “baleen” was used to make combs and other products.
Hunting for sport is also a factor in wildlife extinction. Poaching of wildlife for sport and profit is widespread.
c) Introduction of foreign species:
The introduction of foreign or alien species into new territories can
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