期刊名称：International Journal of Environmental Science and Development
印刷版ISSN：2010-0264
出版年度：2011
卷号：2
期号：5
页码：406-410
DOI：10.7763/IJESD.2011.V2.160
摘要：The ecology of the highly invasive plant species C.odorata is poorly studied in the Philippines in spite of the fact that it is hard to eradicate, a nuisance in plantations, and known to harm farm animals and decimate forage and native plant species.In order to determine the abundance and distribution of the species and its possible relationship with local ecological factors, we estimated in 75 transect lines the percentage cover of C.odorata and other plant species growing around it, and concurrently determined soil parameters (soil type, pH, total nitrogen, total phosphorus, total potassium, and % organic matter) in three Provinces of the Zamboanga Peninsula, Southern Philippines.Multivariate Canonical Correspondence Analysis (CCA) revealed no significant relationship between soil parameters and the abundance of C.odorata suggesting eurytopy to edaphic conditions.Peak abundance of C.odorata was associated with coconut, banana, mango, gemelina and mahogany plantation environments, and reduced abundance of native plant species.This study shows that C.odorata is highly adaptive and a potential threat to native plant biodiversity and agro-ecosystem sustainability, and that its distribution seems to be supported by plant monoculture system.
关键词：Chromolaena odorata L; invasive plants; biodiversity; multivariate analysis; community ecology
