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प्रश्न
With the help of any one example explain Alien species invasion as one of the causes of Biodiversity losses.
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उत्तर
When a new species gets introduced into any ecosystem accidentally or intentionally, there are chances that it proves harmful for existing species. Sometimes, it can lead to extinction of local species.
In such a case, it is called as invasive species. One of the major reasons of such a harmful effect of alien species is lack of local predator.
- Introduction of predator fish - Nile perch in Lake Victoria proved deleterious for 200 local species of Cichlid fish.
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संबंधित प्रश्न
Which among the following is an exception to invasive species?
What is common to the species shown in figures A and B?
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| A | B |
Of the four major causes for the loss of biodiversity (Alien species invasion, habitat loss and fragmentation, over-exploitation and co-extinctions which according to you is the major cause for the loss of biodiversity? Give reasons in support.
Explain the concept of "co-extinction" by taking two examples.
List any three major causes of loss of biodiversity.
When a species goes extinct in one area, it is often desirable to re-introduce the species from other populations. A major problem with this approach is that ______.
Decline in the population of Indian native fishes due to introduction of Clarias gariepinus in river Yamuna can be catogoriesd as ______.
Mention any two places where the ex-situ conservation is undertaken.
Give definitions of Extinct species.
Give definitions of Invasive species.
