The area of permanent ice pack shrank by about a third between the 1970s and 2006.
The area where he lives is shrinking every year.
Over the next century, however, these central areas of settlement shrank dramatically.
What was once a country property, is now surrounded by houses, its total area shrunk from hundreds of acres to four.
However, as population grows, even in this island the cultivated areas are shrinking rapidly.
In years since, the cultivated area has shrunk by almost half to 120 ha.
During the past few decades, she said the area available to elephants for migration outside the park had shrunk because of changes in land use.
Within 100 years its area shrank to around 200 ha.
More recently, the 612 area shrunk to include only Minneapolis and a few inner suburbs.
Since 1978, the irrigated area per person has shrunk by 7 percent.