海南岛入侵植物的分布特点及其对本地植物的影响

罗文启, 符少怀, 杨小波, 陈玉凯, 周威, 杨琦, 陶楚, 周文嵩

Distribution patterns of alien invasive plants and their influences on native plants of Hainan Island

LUO Wen-Qi,FU Shao-Huai,YANG Xiao-Bo,CHEN Yu-Kai,ZHOU Wei,YANG Qi,TAO Chu,ZHOU Wen-Song

表2 不同生态系统中入侵植物的入侵频率比较(平均值±标准误差)

Table 2 Comparison of frequencies of plant invasion among different types of ecosystems (mean ± SE)

入侵植物 Invasive plant species	植物入侵频率 Frequency of plants invasions
入侵植物 Invasive plant species	弃耕地 Abandoned land	种植园 Plantation	村落 Village	林缘 Forest edge	农田 Farmland	草地 Grassland
假臭草 Praxelis clematidea	0.709 ± 0.519^a	0.946 ± 0.472^a	0.485 ± 0.298^b	0.556 ± 0.529^bc	0.790 ± 0.451^bc	0.685 ± 0.218^b
含羞草 Mimosa pudica	0.502 ± 0.407^a	0.331 ± 0.357^a	0.274 ± 0.351^ab	0.204 ± 0.430^a	0.592 ± 0.455^c	0.474 ± 0.250^ab
飞机草 Chromolaena odorata	0.749 ± 0.493^a	0.701 ± 0.465^a	0.628 ± 0.326^a	0.556 ± 0.529^a	0.733 ± 0.459^a	0.771 ± 0.226^a
苏门白酒草 Conyza sumatrensis	0.273 ± 0.431^a	0.339 ± 0.443^a	0.291 ± 0.394^a	0.186 ± 0.347^a	0.355 ± 0.527^a	0.191 ± 0.094^a
假高粱 Pseudosorghum fasciculare	0.118 ± 0.211^a	-	0.112 ± 0.185^a	-	0.051 ± 0.125^a	-
马缨丹 Lantana camara	0.118 ± 0.211^a	0.025 ± 0.092^a	0.112 ± 0.185^a	0.099 ± 0.188^a	0.051 ± 0.125^a	0.092 ± 0.137^a
喜旱莲子草 Alternanthera philoxeroides	0.126 ± 0.211^a	0.022 ± 0.115^a	0.032 ± 0.105^a	-	0.091 ± 0.114^a	0.052 ± 0.137^a
三裂叶蟛蜞菊 Wedelia trilobata	0.126 ± 0.391^a	0.226 ± 0.173^b	0.029 ± 0.140^a	0.050 ± 0.169^a	0.179 ± 0.397^a	0.129 ± 0.140^a
银胶菊 Parthenium hysterophorus	0.085 ± 0.121^a	0.015 ± 0.002^a	0.112 ± 0.105^a	-	0.051 ± 0.125^a	0.092 ± 0.037^a
凤眼蓝 Eichhornia crassipes	-	-	0.025 ± 0.140^a	-	0.012 ± 0.021^a	-
微甘菊 Mikania micrantha	0.130 ± 0.125^a	0.085 ± 0.003^a	0.112 ± 0.115^a	-	0.075 ± 0.121^a	-
累计入侵频率 Accumulated frequency of plants invasions	2.936	2.675	2.212	1.601	2.930	2.486