Estimation of aboveground and belowground carbon stocks in urban freshwater wetlands of Sri Lanka

Table 1 Summary of strata of each study site

Study site	Stratum number	NDVI range	Stratum name	Stratum area (ha)	Number of plots
Kolonnawa wetland	0	− 0.02537907 – 0.190807421	–	NA	NA
	1	0.190807421 – 0.286824791	1	31.82	7
	2	0.286824791 – 0.326380119	2	53.98	14
	3	0.326380119 – 0.405490776	3	21.48	7
	Total			107.28	28
Thalawathugoda wetland park	0	− 0.05879659 – 0.171327081	–	NA	NA
	1	0.171327081 – 0.24627211	1	13.28	6
	2	0.24627211–0.353396207	2	19.59	8
	Total			32.87	14

Classification was based on the NDVI. The table presents the area of each stratum (ha) and the number of
10 m radius plots in which sampling was carried out along with the NDVI range for each stratum
Stratum 0 has not been considered as it represents water bodies

ISSN: 1750-0680