Fatik Baran Mandal
Citizen based in Bankura, India.
Joined on Nov 10, 2010
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Alien species affect native species’ composition and distribution. The Invasive Species Specialist Group (ISSG)listed “100 of the World’s Worst Invasive Alien Species” into groups like microorganism, macro fungi, plant, and invertebrate.
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Modern human is believed to be originated about 160,000 years ago. The simplification of human linguistic diversity is represented by the term, “monoculture of the mind”. Out of 7,000 languages, 80-85 percent is spoken by indigenous peoples.
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Since 1980, more than 35 new human infectious diseases have emerged. Of 1415 human pathogens, 61 percent are zoonotic, and multiple host pathogens. Animal-related disease outbreaks have resulted in hundreds of billions of dollars of economic damage.
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Air , flora ,fauna, soil, and water constitute the major life support system . These are interconnected. Degradation of any environmental component poses a threat to life forms. Anthropogenic factors cause environmental change and leads to a crisis.
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POPs (Persistent Organic Pollutants) are highly toxic chemicals. They may be pesticides or some industrial wastes. Of the many POPs, eight organochlorine pesticides—DDT, aldrin, dieldrin, endrin, chlordane, heptachlor, mirex, toxaphene— threaten human
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