Environmental Science
152 ENVIRONMENTAL SCIENCE Rajasthan and Gujarat Commiphora wightii Burseraceae Helichrysum cutchicum Asteraceae Hyphaene dichot ...
ENVIRONMENTAL SCIENCE : BIODIVERSITY AND CONSERVATION 153 Indian wild ass Mountain quail Marsh crocodile Andaman wild pig Chir p ...
154 ENVIRONMENTAL SCIENCE (xii) The Forest (Conservation) Act, 1980. (xiii) Wildlife (Protection) Amendment Act; 1991. Conservat ...
ENVIRONMENTAL SCIENCE : BIODIVERSITY AND CONSERVATION 155 Research Institute of India, Dehradun. At WRI a “gene bank” of all wil ...
156 ENVIRONMENTAL SCIENCE Table 4.9. Wildlife Reserves in Different Status State Wildlife Reserve Andhra Pradesh Kawal, Pocharam ...
ENVIRONMENTAL SCIENCE : BIODIVERSITY AND CONSERVATION 157 In India sanctuary is usually created by an order or gazette notificat ...
158 ENVIRONMENTAL SCIENCE In January 1989, 274 biosphere reserves had been established in 74 countries out of which 14 proposed ...
ENVIRONMENTAL SCIENCE : BIODIVERSITY AND CONSERVATION 159 There are several laws enacted from time to time, which are directly r ...
160 ENVIRONMENTAL SCIENCE prepared a scheme for the management of the Gir Lion Sanctuary with proper guidelines for conservation ...
INTRODUCTION Pollution may be defined as an undesirable change in the physical, chemical or biological characteristics of air, w ...
162 ENVIRONMENTAL SCIENCE (ii) Biodegradable pollutants These include domestic sewage that easily decomposes under natural proce ...
ENVIRONMENTAL SCIENCE : POLLUTION AND ITS FACTORS 163 pollutants released from automobiles, locomotives, aircraft etc., include ...
164 ENVIRONMENTAL SCIENCE (iii) Oxides of Nitrogen These include NO and NO 2 , which are released by automobiles and chemical in ...
ENVIRONMENTAL SCIENCE : POLLUTION AND ITS FACTORS 165 water pollution. To be on a safer side delocalisation of industries is the ...
166 ENVIRONMENTAL SCIENCE Change in Climate CO 2 content of air is increasing due to deforestation and combustion of fuel. This ...
ENVIRONMENTAL SCIENCE : POLLUTION AND ITS FACTORS 167 (ii) Industrial effluents The industrial wastes are discharged in the adjo ...
168 ENVIRONMENTAL SCIENCE Mercury when dissolved in water is absorbed by aquatic plants and enters the food chain. Lead impairs ...
ENVIRONMENTAL SCIENCE : POLLUTION AND ITS FACTORS 169 Secondary treatment. Sewage obtained after primary treatment is sent to ae ...
170 ENVIRONMENTAL SCIENCE (ii) Negative soil pollution It is caused by the removal 01 useful components from soil by erosion, de ...
ENVIRONMENTAL SCIENCE : POLLUTION AND ITS FACTORS 171 by wind and .over-grazing. That desert in India is spreading at the rate o ...
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