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From: ezhilmathiReply 101 of 111Reply
Subject: Contributed Answer/Explanation to Q. 23
   Ecotourism or sustainable tourism is touring a place without disturbing its
   ecology and the people who live there. By promoting ecotourism, the
   government can collect tour-fee from every tourist. Thus, it helps in
   improving country's economy

Posted at: Wed Dec 1 13:39:42 2010 (GMT)

From: ezhilmathiReply 102 of 111Reply
Subject: Contributed Answer/Explanation to Q. 27
   OFF-SHORE DRILLING: it is the act of extracting resourses , primarily oil
   and gas , from the ocean or sea floor.
   
   ENVIRONMENTAL EFFECTS:
   
   
                                         
                 Off-shore oil drilling involves many
   environmental risks. The most important one is OIL SPILLS. Oil spills are
   mostly caused due to accident of ships , sinking of oil tankers , leaking
   pipelines . It does not allow the sunlight to enter the sea ,hence leads to
   the depletion of oxygen .  Wings of sea birds are getting coated
   with oil,hence reduces its ability to fly.  

Posted at: Wed Dec 1 13:57:29 2010 (GMT)

From: ezhilmathiReply 103 of 111Reply
Subject: Contributed Answer/Explanation to Q. 16
   advantage: the animals are saved from becoming extinct by breeding them in
   captivity. Disadvantage: some donot treat the animals properly .Thus, they
   suffer a lot rather than being cared

Posted at: Fri Dec 10 12:02:18 2010 (GMT)

From: ezhilmathiReply 104 of 111Reply
Subject: Contributed Answer/Explanation to Q. 1
   BIOPIRACY:
   It is the development of biological resources by technologically
   rich countries using the indigenous knowledge of the local people without
   fair compensation of resources to the countries of origin of the
   resources.  

Posted at: Fri Dec 10 12:27:51 2010 (GMT)

From: ezhilmathiReply 105 of 111Reply
Subject: Contributed Answer/Explanation to Q. 2
   Two advantages of mangrooves :
   
   1) Extraction of tannin , timber, firewood, etc., and also prevents the soil
   erosion.
   
   
   2) It acts as a feeding , breeding and  nesting grounds for many birds.

Posted at: Fri Dec 10 12:33:24 2010 (GMT)

From: pass33Reply 106 of 111Reply
Subject: Contributed Answer/Explanation to Q. 3
   PROTECTING FORESTS,UTILISING THEM IN A PROPER WAY

Posted at: Sat Dec 18 10:34:18 2010 (GMT)

From: titliReply 107 of 111Reply
Subject: Contributed Answer/Explanation to Q. 1
   Biopiracy in the illegal,unauthorised exploitation and privatisation of
   biological resources by the developed nations using the indigenous knowledge
   of the local people,for the development of the pharmaceutical industry..

Posted at: Fri Dec 24 06:57:48 2010 (GMT)

From: suman36Reply 108 of 111Reply
Subject: Contributed Answer/Explanation to Q. 5
   stomach ache,cancer,foetus abnormality,kidney stone etc may be caused

Posted at: Wed Feb 2 10:03:53 2011 (GMT)

From: suman36Reply 109 of 111Reply
Subject: Contributed Answer/Explanation to Q. 8
   2(c)
   semi arid is a ecosystem with very little vegetation and very little
   rainfall and plant leaves are adopted to store water.for ex;cactus.its
   leaves are thick to store water and chlorophyl for photosynthesis,its has
   many thorns in its body to avoid transpiration and its root is highly
   branched to absorb water from deep surface of earth.

Posted at: Wed Feb 2 10:11:56 2011 (GMT)

From: suman36Reply 110 of 111Reply
Subject: Contributed Answer/Explanation to Q. 25
   JFM
   It is the model of forest management in which local communities are involved
   in planning and conservation of forest.It was around 1980 the govt. started
   encouraging JFM to work  together with local communities in the protection
   and management of water resources.

Posted at: Wed Feb 2 10:19:40 2011 (GMT)

From: sachin1995Reply 111 of 111Reply
Subject: Contributed Answer/Explanation to Q. 29
   Sukhomajri
   In the early 1980's People of Sukhomajri village in Shivalik range of
   Himalayas in Haryana's Ambala district utilised the forest and water to
   their benefit.They planted 5000 Khair trees in Sukhamajri forest whose
   timber fetched Rs1000/quintal.

Posted at: Thu Feb 3 17:07:55 2011 (GMT)

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