摘要
本文主要讨论宝华山栎林群落乔木层营养元素的含量和循环。文中详细给出了乔木层现存量、年吸收及年存留中N、P、K、Ca、Mg五种元素的量和分配.
This paper presents a study of the nutrient elements content and their cycling in tree layer of Quercus variabilis ecosystem in Baohua Nature Conservation. The tree layer elements (N, P, K, Ca, Mg) quantity of the Q variabilis ecosystem in biomass and an nual retention and annual uptake are also given in detail.
出处
《南京大学学报(自然科学版)》
CAS
CSCD
1992年第3期479-483,共5页
Journal of Nanjing University(Natural Science)
关键词
栎林生态
乔木
营养元素
循环
Quercus variabilis ecosystem
tree layer
nutrient cycling
Baohua mountain