The bamboo-wood mixed vegetation has a 2-layer structure according to the recovery time. Tree density increased from 425 trees/ha (4 years) to 1,075 trees/ha (10 years). Bamboo density also increased from 8,400 plants/ha (4 years) to 28,125 plants/ha (8 years) and then decreased to 17,500 plants/ha (10 years). Cover rate increased from 80 percent to 100 percent. With the time, the number of old trees increased but plait quality has declined.