The widest buffer zones were seen in the East of the country.
The agriculture and the private sector services and its workers increased in those areas.
"As you know the houses that were affected in the coastal belt were mostly of fishermen. So 80 percent of the people who were settled in these areas were from the fishing community," Mazahim Hanifa, a livelihood recovery advisor of an ILO-run project told a forum in Colombo.
"But now it has come down to 60 percent in terms of fisheries because of change of locations. Now they are far from the sea and they can’t practice what they did before."
The sample survey was conducte