摘要
本文采用聚集度指标法和回归分析法对柏小爪螨叶部越冬卵的空间格局进行了检验 ,结果表明 :其分布为聚集分布 ,聚集的原因是柏小爪螨越冬代雌成螨产卵习性所致 ,并非环境因素所致。
The spatial distribution pattern of Oligonychus perditus over-wintering eggs on Platycladus orientalis forest of MT. Tai Shan were determined by means of several indexes of aggregation and regression methods ,The results showed that over-wintering eggs on leaves are belonging to aggregation distribution which was resulted in by egg-laying characteristic of Oligonychus perditus adult or affected by environmental factors.
出处
《山东农业大学学报（自然科学版）》
CSCD
北大核心
2003年第3期331-334,共4页
Journal of Shandong Agricultural University：Natural Science Edition
