Table 2.

Basic information of plots of different forest land types.

Types of woodland land	Origin	Number of plots	Succession stage	Altitude (m)	Large terrain	Small terrain	Canopy	Coverage
I	Plantation Natural forests	5 20	Forest stage	45~1533	Mountains; hills	Slopes; flats	0.3~0.95	6%~90%
II	Plantation Natural forests	21 2	Forest stage	85~1102	Mountains; hills	Slopes	0.2~0.95	4%~80%
III	Plantation Natural forests	17 14	Forest stage	60~1623	Mountains; hills	Slopes	0.1~0.95	2%~90%
IV	Plantation Natural forests	4 13	Forest stage	50~1795	Mountains; hills	Slopes; flats	0.6~0.98	1%~50%
V	Plantation Natural forests	0 6	Shrub stage	480~1835	Mountains	Slopes	0	2%~90%

I: broad-leaved forest; II: coniferous forest; III: mixed coniferous and broad-leaved forest; IV: bamboo forest; V: shrub forest. The same below.