Daily Special Current Affairs Material for IAS (Pre) 2013 - Topic: "Celebrating Biodiversity"
Chapter: Science & Technology
Topic: Celebrating Biodiversity
Q. When we celebrate International Day for Biological Diversity and what is theme of it for the year 2012?
Ans. United Nations proclaimed May 22nd as the International Day for Biological Diversity (IDB). The theme for 2012 International Day for Biological Diversity is Marine Biodiversity.
The annual contribution of biodiversity to the world is estimated as US$ 33 trillion per year. However, this precious natural asset is fast diminishing.
Q. How costal and marine biodiversity part Biological Diversity?
Ans. Coastal and marine biodiversity form the basis of survival for billions of people around the world today.The ocean covers 71% of the surface area of the globe, and constitutes over 90% of the habitable space. Coastlines are supporting fragile ecosystems - mangroves, coral reefs, sea-grass and seaweeds.
Q. What are the main challenges against costal and marine biodiversity?
Ans. The diversity of life in costal and marine region is poorly understood and under-valued resulting in over-exploitation. Some of the marine species are disappearing and others are on the threat of extinction. The number of patents being taken on products and processes based on marine life is increasing by leaps and bounds every year.