Q. 24.5( 16 Votes )
How can you say that forests are biosphere reserves? Give reasons.
Forest areas and parks are created to conserve different types of flora and fauna.
1)Forests are biosphere reserve as numerous of plants and animals are living there without any threat to their lives.
2) Biosphere reserves are those which humans built for animals to protect them from extinction but forests are natural reserves in which animals are protected.
3) Forests help in maintaining the temperature and oxygen level of the atmosphere.
4) Plants release oxygen during photosynthesis and consume carbon dioxide. Forests being a huge reserve of plants and trees, they play a significant role in balancing oxygen level in the atmosphere.
5)Prevents global warming. Increased amount of carbon dioxide (greenhouse gas) in the atmosphere results in greenhouse effect and thus causes global warming.
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Read this and answer the following questions.
A news item on Biodiversity discussed by Conference of parties (CoP) -2012-Hyd says in the next four decades the earth’s natural resources will be limited to grass lands, mountains, ice and arid and semi-arid plains.
By 2050 the loss of Biodiversity will lead to unprecedented. Climate change would be the key factor. Nearly 1.3 million natural ecosystems will be without any original species.
(The coloured areas are indicators of biodiversity loss. The red areas show maximum biodiversity loss.)
(Courtesy CoP-2012 on biodiversity-Hyderabad)
(a) What does the areas with colour codes indicate?
(b) Which areas show maximum biodiversity loss?
(c) Which areas show minimum biodiversity loss?
(d) From 2010-2050 what difference do you find in the state of biodiversity?
(e) So what steps would you suggest to conserve our biodiversity?AP - Biology