| [productivity and species diversity of artificial broad-leaved korean pine forests in eastern liaoning mountainous areas]. | an investigation in the typical plots of 20-yr artificial broad-leaved korean pine forests in eastern liaoning mountainous areas showed that the productivity of mixed forests pinus koraiensis-betula platyphylla, p. koraiensis-alnus tinctoria, and p. koraiensis-fraxrinus mandshurica was 6.529, 4.966 and 5.682 t x hm(-2) x yr(-1), respectively, much higher than that of pure korean pine forest (3.812 t x hm(-2) x yr(-1)), while mixed forests p. koraiensis-kalopanax septemlobus and p. koraiensis-til ... | 2005 | 16515162 |