Currently, only a maximum of 4.04 Are in panchayats, and 2.2 Are in municipality/corporation areas could be converted based on the recommendations of the local-level monitoring committee.
The number of species at risk of extinction on the Red List of the International Union for Conservation of Nature has exceeded 40,000 for the first time.
Revenue department authorities said as many as 78,000 applications were pending before the 27 RDOs in Kerala.
The largest decline since 1970 has been in the wetland habitat, with about 84 per cent of species estimated to have become extinct, the report says.
Paddy fields which are wetland ecosystems morphed into house plots as people misused provisions of land rules despite moves to curb the practice.
The students were attacked while they were returning after presenting a street play and planting mangrove saplings as part of the district panchayat's Wetlands Day celebration.
The presence of rare winged visitors varieties is now considered a sign that profound changes have happened to the kole-ecosystem, mainly as a result of the floods that ravaged Kerala in August.