Amazonian rainforest has been in existence for at least 55 million years, and most of the region remained free of savanna-type biomes at least until the current ice age, when the climate was drier and savanna more widespread.As the largest tract of tropical rainforest in the Americas, the Amazonian rainforests have unparalleled biodiversity. One in ten known species in the world lives in the Amazon rainforest. This constitutes the largest collection of living plants and animal species in the world. The green leaf area of plants and trees in the rainforest varies by about 25% as a result of seasonal changes. Leaves expand during the dry season when sunlight is at a maximum, then undergo abscission in the cloudy wet season. These changes provide a balance of carbon between photosynthesis and respiration... Courtesy: Wikipedia extracts on Amazon rainforests Photographs taken by Pinnangudi Subramanian from a moving vehicle of rich vegetation seen at and around the little known Mukundarayapuram Railway Station near Walajah Road Junction in Tamil Nadu. Very few trains stop at this small station. Its a standing example of green vegetation even in wilderness.... in very hot dry tropical regions. What the man needs is the will power to promote Greens. Let us support green vegetation and forestry to keep this planet from certain ruins.
Posted on: Wed, 01 Oct 2014 10:13:47 +0000
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