Natural Heritage

KNOW YOUR PLANTS – BLACK PEPPER (Piper nigrum Linn.)

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Black pepper occurs in the wild from North Karnataka to Kanyakumari. It is cultivated in Assam, Maharashtra and Kera

ON THE ROAD TO EXTINCTION – THE LEGENDARY SEA-COW OR THE DUGONG

During the early part of the century, the population of the dugongs (sea–cows) in the   Gulf of Mannar and Palk Bay was in thousands. A recent aerial survey could not spot a single animal though fishermen occasionally reported seeing one.  What has happened to the dugongs of the Gulf of Mannar and Palk Bay? Where have they gone?

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INTERESTING FACTS ABOUT INSECTS

Insects have been around for over 250 million years (before dinosaurs). They have many fascinating abilities including lifting objects 6 times their own weight (ants).

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KNOW YOUR PLANTS – MELONS

Come summer and the pavements are crowded with vendors selling watermelon, muskmelon and cucumber. Wedges of fruit with or without seasoning are very popular with people trying to quench their thirst. The attraction for these fruits is their high water content. More than 90% of their flesh is water. If they are crushed, very little pulp remains, most of the fruit be

KNOW YOUR ANIMALS – ROLE OF SMALL ANIMALS IN ECOLOGY

We tend to think of insects and small animals as pests rather than assets. But these seemingly insignificant and often troublesome creatures play a silent and unseen but vastly significant role in ecology.

The term ecology was coined by combining two Greek words, “oikos” (meaning house or dwelling pl

KNOW YOUR PLANTS- MALABAR GLORY LILY

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Distribution: The Glory Lily grows throughout India, upto an elevation of 1800m in low jungles.

KNOW YOUR BIRDS – DUCK TALES

Ducks are water birds that have a heavy short- legged body and legs adapted for wading in the waters. This group is the largest of the waterfowls and is also the most diverse among them. Ducks are characterized by their small body size, shorter necks, narrower wings which are more pointed and wing beats which are more rapid and a horny tipped bill. The male and fema

Storage capacity and rainfall pattern in the reservoirs in Chennai from 2015 to 2019

In the month of May, June and July, Chennai city usually experiences the searing heat due to the summer season. A decade ago, even though the temperature was as high as 38°C - 45°C (Highest recorded - 45°C in 2003), drinking water supply for the city was not disrupted in the way it experienced in the summer of 2019. The well-known reason is there was more greenery in every 100 to 200 m of vicin

Groundwater Table in Chennai – Time to realize and act

Dr. Srinivasan Gopalakrishnan

Depletion of groundwater in Chennai is occurring at an alarming rate and the situation is grave. The city’s metropolitan area, suburbs and the adjoining towns are facing a severe groundwater shortage every summer. According to a report, the combined storage in Ch

Squirrel in the House

Javanthi

 

Barely 6 inches long, with a striped body, beady eyes, pointed nose and a bushy tail, squirrels are fascinating to watch. And if you have been as lucky as I have to rear one for nearly two years, you will become a slave to their impish charm. Every tree abounds with squirrels. Jumping, leaping, hanging upside down,