入侵植物喜旱莲子草_生物学_生态学及管理_潘晓云.pdf

植 物 分 类 学 报 45 (6): 884–900 (2007) doi:10.1360/aps06134 Acta Phytotaxonomica Sinica 入侵植物喜旱莲子草——生物学、生态学及管理 1 1 2 1 1 1 * 潘晓云 耿宇鹏 Alejandro SOSA 张文驹 李 博 陈家宽 1( , , 生物多样性和生态工程教育部重点实验室 复旦大学生物多样性科学研究所 长江河口湿地生态系统野外科学 观测研究站 上海 200433) 2(南美生物防治实验室 布宜诺斯艾利斯 1686) Invasive Alternanthera philoxeroides : biology, ecology and management 1 1 2 1 1 1 * PAN Xiao-Yun GENG Yu-Peng Alejandro SOSA ZHANG Wen-Ju LI Bo CHEN Jia-Kuan 1(Ministry of Education Key Laboratory for Biodiversity Science Ecological Engineering , Institute of Biodiversity Science, Fudan University, Coastal Ecosystems Research Station of Yangtze River Estuary, Shanghai 200433, China) 2(South American Biological Control Laboratory, USDA-ARS, Hurlingham-Buenos Aires 1686, Argentina) Abstract In this review, we present a detailed account of Alternanthera philoxeroides (alligatorweed), including A. philoxeroides description, intraspecific variation from native to introduced regions, its life history strategies, invasion mechanisms, and management strategies. Alternanthera philoxeroides is a herbaceous amphibious weed of Amaranthaceae, native to South America, distributed from Buenos Aires Province (39° S) to south Brazil. It was first described by Martius in 1826, and consists of several taxa in both