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प्रश्न
List out the various causes for biodiversity losses.
उत्तर
The major causes of biodiversity decline are:
- Habitat loss, fragmentation, and destruction (affects about 73% of all species),
- Pollution and pollutants (smog, pesticides, herbicides, oil slicks, and GHGs).
- Climate change.
- Introduction of alien/exotic species.
- Overexploitation of resources (poaching, indiscriminate cutting of trees, overfishing, hunting, and mining).
- Intensive agriculture and aquacultural practices.
- Hybridization between native and non-native species and loss of native species
- Natural disasters (Tsunami, forest fire, earthquake,s, and volcanoes).
- Industrialization, Urbanization, infrastructure development, Transport - Road and Shipping activity, communication towers, dam construction, unregulated tourism, and monoculture are a common area of specific threats.
- Co-extinction.
संबंधित प्रश्न
Which of the following forests is known as the lungs of the planet earth?
Which one of the following are at high risk extinction due to habitat destruction.
Assertion: The Environmental conditions of the tropics are favourable for speciation and diversity of organisms.
Reason: The climate seasons, temperature, humidity and photoperiod are more or less stable and congenial.
Name the active chemical found in the medicinal plant Rauwolfia vomitoria. What type of diversity it belongs to?
“Amazon forest is considered to be the lungs of the planet”- Justify this statement.
What are called endangered species? Explain with examples.
What are the factors that drive habitat loss?
What is mass extinction? Will you encounter one such extinction in the near future. Enumerate the steps to be taken to prevent it.
