In the summer of 2009 the lake was enlarged to 350 hectares.
The area extends to 20 hectares and number of species increased to 1200.
In this period, its territory extended to more than 35,000 hectares.
For similar reasons, the park was taken over and enlarged to 21,789 hectares by the federal government in 1980.
From 1988 to 1993, this amount was reduced to 1107 hectares or 5.35%.
The area under cultivation increased by almost 18 percent to 57,814 hectares over the period from 1985 to 1990.
The estimated size has now been raised to 24 hectares.
The land areas expanded to 40,000 hectares in the late 1950s.
This had shrunk by 2006 to just 8.4 hectares however.
At the beginning of the 20th century the site had expanded to 17 hectares.