sentences:  Malaysia also has significant peatland, at 26,685 km2, covering 8.1% of its land area.Although originally a wetland ecosystem, much of the peatland in Southeast Asia have been drained for human activities such as agriculture, forestry and urban development.A report published in 2011 stated that more than 30% of peat swamp forests had been converted to agricultural land and a further 30% had been logged or degraded in the past 20 to 30 years.