山东省小麦田杂草组成及群落特征
高兴祥1,2, 李美1,2,*, 房锋1,2, 张悦丽1,2, 孙作文3, 齐军山1,2

Species composition and characterization of weed communities in wheat fields in Shandong Province
GAO Xing-xiang1,2, LI Mei1,2, FANG Feng1,2, ZHANG Yue-li1,2, SUN Zuo-wen3, QI Jun-shan1,2
图2 山东省冬小麦田杂草群落的聚类分析
Fig.2 Hierarchical cluster analysis of weed community in winter wheat fields in Shandong A:鲁西北平原区Plain regions of Shandong west-north;B:鲁北滨海区Coastal regions of Shandong north;C:胶东丘陵区Hill regions of Shandong east;D:胶潍河谷平原区Plain regions of Shandong middle;E:鲁中山区Mountain regions of Shandong middle;F:鲁南山区Mountain regions of Shandong south;G:鲁西南平洼区Plain regions of Shandong west-south.