生态学报2001，Vol.21Issue(1)：131-135,5.
增强的UV-B辐射对麦田生态系统中种群数量动态的影响
Effects of enhanced UV-B radiation on population quantity dynamics of weeds,soil macroanimals and wheat aphids in the wheat field ecosystem
李元 1王勋陵2
作者信息
- 1. 云南农业大学环境科学系,
- 2. 兰州大学生物系,
- 折叠
摘要
Abstract
Influences of enhanced ultraviolet radiation(UV-B,280～315nm)on population quantity dynamics of weeds,soil macroanimals and wheat aphids in the wheat field ecosystem were investigated,Under UV-B radiation,species number and population quantity of weeds and soil macroanimals decreased,species diversity changed,total biomass of weeds reduced.UV-B radiation decreased population quantity of wheat aphids,which were significantly correlated with HCel,soluble protein content,CHO and the concentrations of Mg and Zn in wheat leaves.UV-B radiation resulted in significant increase of the concentrations of Mg,Fe and Zn in wheat aphids and wheat leaves.关键词
UV-B辐射/麦田生态系统/杂草/大型土壤动物/麦蚜分类
农业科技引用本文复制引用
李元,王勋陵..增强的UV-B辐射对麦田生态系统中种群数量动态的影响[J].生态学报,2001,21(1):131-135,5.
