Q1 of 20 Page 98

Read this and answer the following questions.

Biodiversity-2050.


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?

(a) The areas with colour codes indicates biodiversity loss.


(b) Western parts of united states, mexico till equador, few northern parts of india.


(c) Western, eastern and southern parts of india,western psarts of united states, northern and western part of Asia.


(d) 1) Loss of biodiversity is a result of human activities, represented by the disappearance of populations of original species in natural ecosystems, with an increase in the population of some opportunistic species.


2) As species disappear from ecosystems, they become more homogenous with a subsequent loss of biodiversity.


3) Biodiversity loss have changed over the years, from the overexploitation and conversion of natural habitats for agriculture in the past to the more recent trends of converting natural habitats for urban use and the introduction of invasive alien species.


4) By 2050, major changes will be driven by climate change and expanding urbanization.



(e) In our country we have forest areas demarcated as national sanctuaries reserved forests and parks to conserve different types of flora and fauna. Government of India has taken initiative to conserve wildlife by making National parks and Sanctuaries to conserve forest, flora and fauna from being destroyed.


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