Table 2.

Implemented land cover classes and the associated reference data. Training samples are expressed as total area of polygons and number of pixels extracted from these polygons, and test samples represent number of points.

General Class	Land Cover Class	Class Description	Training Samples		Test Samples
			Area of Polygons (ha)	Number of Extracted Pixels
Peatland	Mangrove swamp	Mangrove cover along coastal areas	24.1	1862	265
	Mixed swamp	Permanent and regularly flooded broadleaved trees and palm (Raphia sp.)	241.3	5727	589
	Palm swamp	Permanent and regularly flooded areas of palm (predominantly Raphia sp.)	50.9	1312	334
	Bog plain	Areas dominated by permanent and regularly flooded areas of grasses	136.98	3479	269
Forest	Natural forest	Closed broadleaved evergreen forest with trees from medium to large sizes	331.3	11,738	115
Sparse	Sparse vegetation	Areas of sparse and/or stunted plant growth including other agricultural lands (i.e., young plantation trees, rainfed croplands)	5.8	301	242
Plantation	Coconut	Plantation of mature coconut trees	39.6	1350	282
	Rubber	Plantation of mature rubber trees	49.3	1734	228
	Oil palm	Plantation of mature oil palm trees	26	656	70
Artificial and bare areas	Built-up	Developed land such as buildings, asphalt roads and concrete surfaces, human settlements, industrial facilities	41.7	1215	258
	Bare surface	Areas of exposed soil or ground/open areas devoid of trees, grass or other vegetation; often comprising land cleared for development	3.5	101	172
Hydrology	Water	Water bodies such as rivers, canals, lakes and sea	709	18,195	87
Total			1659.48	47,670	2911