indica). The survey area of the two plots per LUT comprised samples of over-, midand understorey vegetation, plus coarse litter, on 2 Â 100 m
2 , 2 Â 25 m
2 , 4 Â 1 m
2
and 8 Â 0.25 m
2 plots respectively.
Fig. 3.14 Land use map of Chieng Khoi Commune in Yen Chau District, Son La province,
north-west Vietnam (Zemek et al. 2009)
Fig. 3.15 Nested sampling plot design (Ponce-Hernandez et al. 2004)
3 Water and Matter Flows in Mountainous Watersheds of Southeast Asia:. . .
135