《Table 3 Composition of tree species in different plots (stems/plot)》
本系列图表出处文件名:随高清版一同展现
《Forest recovery after clear-cutting in Chinese pine(Pinus tabuliformis) plantations of North China》
Note:Pt,Pinus tabulaeformis;Qm,Quercus mongolica;Cp,Crataegus pinnatifida;As,Armeniaca sibirica;Pd,Populus davidiana;Up,Ulmus pumila;Rp,Robinia pseudoacacia;Tt,Tilia tuan;Bp,Betula platyphylla;Sm,Salix matsudana.
The study area of Chinese pine plantations was situated in Pingquan County,Hebei Province,North China(Fig.1).It was approximately 250 km northeast of Beijing.It belongs to the temperate continental monsoon mountain climate.The annual mean temperature was 7.4°C and the annual precipitation was 356.7–620.3 mm from 2004 to 2015(Table 1).The main soil type was mountain cinnamon soil with gravel.In the study area,the area of plantations has accounted for 95%of the total forest area in Pingquan County,with four main species including Chinese pine,aspen(Populus davidiana),Mongolian oak(Quercus mongolica)and black locust(Robinia pseudoacacia).And the area of Chinese pine plantations was the largest,with an area of 8901.85hm2 and accounted for 61.6%of the local total forest area.
图表编号 | XD0020358700 严禁用于非法目的 |
---|---|
绘制时间 | 2018.04.01 |
作者 | DONG Boqian、ZHAO Kuangji、WANG Zhibin、JIA Zhongkui、MA Lvyi、XIA Xinli |
绘制单位 | Key Laboratory for Silviculture and Conservation of the Ministry of Education, College of Forestry, Beijing Forestry University、Key Laboratory for Silviculture and Conservation of the Ministry of Education, College of Forestry, Beijing Forestry University |
更多格式 | 高清、无水印(增值服务) |