The graph below shows the population figures of different types of turtles in India between 1980 and 2012. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The given line graph illustrates the change in the

number

of different species of turtles, namely Leatherback, Green, Olive Ridley and all species from 1980 to 2012.

Overall

, the

number

of Olive Ridley had risen

while

that of Leatherback had dropped significantly. Meanwhile, Green and its whole population had plateaued.

Firstly

, a continuous increase in the

number

of Olive Ridley was observed until 1997,

whereas

the figure only moved slightly for the rest of the period.

In particular

, the figure grew by 35% by 1997.

Moreover

, it did not go below 130% or above 140% of the original

number

at the beginning of

this

record between 1997 and 2012.

On the other hand

, Major drops took place three times in 2003, 2007 and 2012.

In addition

, the figure for Leatherback suffered from a decline in

this

duration.

Although

it increased by approximately 10% in seven years from 1980, it kept decreasing to its minimum of 55% of the original population in 1980 by 2012.

However

, some minor rises were seen in 2000 and 2009.