上杭县高速公路两侧“一重山”造林树种适应性及生长状况分析

Comparison of Growth of Afforestation Tree Species Planted on Mountains on Two-sided Expressway in Shanghang County

通过对福建省上杭县高速公路两侧“一重山”造林5年后不同造林树种生长状况的分析研究,结果表明:参试的7个造林树种中宫粉紫荆、千年桐和黄山栾保存率较低,且冠幅和胸径生长情况均较差,不适合上杭县山地造林;山杜英、香樟、木荷和深山含笑保存率较高,且冠幅和胸径生长均较好,适合上杭县山地气候类型区推广运用。

The growth status of different afforestation tree species after five years of afforestation on mountains on two-sided expressway in Shanghang County of Fujian Province were analyzed.Result shows that:Among the seven afforestation tree species,the preservation rates of Bauhinia variegata,Aleurites montana&Koelreuteria integrifoliola are low,and the growth of crown width&breast diameter are poor,so they are not suitable for afforestation on mountain in Shanghang County.The preservation rates of Elaeagnus mongolica,Cinnamomum camphora,Schima superba&Michelia mongolica are higher,and the crown width&DBH growth are optimal,which adapted to the promotion&application of mountain climate type areas in Shanghang County.