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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
Very short answer type question
What do you understand by the EW category of a living being?
Species that possess a very high risk of extinction due to rapid population decline of about 50 - 70 % over three generations is designated as ______.
Acronym for IUCN is ____________.
______ refers to the conservation of endangered species outside their natural habitats.
What is common to lantana Eichhomia and African catfish?
What does 'Red' indicate in the IUCN Red list (2004)?
How many Biodiversity hotspots have been identified around the world?
Western Ghats have a large number of plant and animal species that are not found anywhere else. Which of the following terms will you use to notify such species?
Match List - I with List - IІ.
| List - I | List - II |
| A. The Evil Quartet | I. Cryopreservation |
| B. Ex-situ conservation | ΙI. Alien species invasion |
| C. Lantana camara | III. Causes of biodiversity losses |
| D. Dodo | IV. Extinction |
Choose the option with all correct matches.
In the IUCN classification, what does the category 'EW' stand for?
