International Day for Biological Diversity - 22 May

♤ The United Nations proclaimed May 22 as The International Day for Biological Diversity (IDB) to increase understanding and awareness of biodiversity issues.

♤ Initially 29 December (the date of entry into force of the Convention of Biological Diversity), was designated The International Day for Biological Diversity by the UN General Assembly in late 1993.

♤ In December 2000, the UN General Assembly adopted 22 May as IDB, to commemorate the adoption of the text of the Convention on 22 May 1992 by the Nairobi Final Act of the Conference for the Adoption of

the Agreed Text of the Convention on Biological Diversity.

Do you know?

♤ Gymnosperms produce their seeds on the surface or tips of an appendage such as a pine cone.

♤ Angiosperms produce their seeds inside a fruit such as an acorn.

♤ Dendrochronology is the science of calculating a tree’s age by its rings.

♤ For every five percent of tree cover added to a community, storm water runoff is reduced by approximately two percent.

♤ “Heat islands,” created by tree loss, also exponentially increase air pollutants.

♤ Aspirin is derived from the bark of a willow tree.

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15.10.2. Indian Biodiversity Hot Spots.

♤ There are 4 biodiversity hot spots present in India. They are:

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The Himalayas

3

Indo- Burma and

4

The western Ghats & Sri Lanka

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Sunderland

Do you know?

♤ Spider silk, it looks like one thread but it is actually many thin threads that stick together. As soon as this liquid silk hits the air it hardens.

♤ All spiders have fangs! their poison is strong enough to kill their prey. few spiders with poison strong enough to cause pain or even some nerve damage in humans.

♤ Spiders have 48 knees. Yup, count them...eight legs with six joints on each.

♤ Spider’s legs are covered with many hairs. The hairs pick up vibrations and smells from the air.