| Are invasive plants more competitive than native conspecifics? Patterns vary with competitors | |
Zheng, Yulong; Feng, Yulong; Valiente-Banuet, Alfonso; Li, Yangping; Liao, Zhiyong; Zhang, Jiaolin ; Chen, Yajun
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| 2015 | |
| Source Publication | SCIENTIFIC REPORTS
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| ISSN | 2045-2322 |
| Volume | 5Issue:aPages:- |
| Abstract | Invasive plants are sometimes considered to be more competitive than their native conspecifics, according to the prediction that the invader reallocates resources from defense to growth due to liberation of natural enemies ['Evolution of Increased Competitive Ability' (EICA) hypothesis]. However, the differences in competitive ability may depend on the identity of competitors. In order to test the effects of competitors, Ageratina adenophora plants from both native and invasive ranges competed directly, and competed with native residents from both invasive (China) and native (Mexico) ranges respectively. Invasive A. adenophora plants were more competitive than their conspecifics from native populations when competing with natives from China (interspecific competition), but not when competing with natives from Mexico. Invasive A. adenophora plants also showed higher competitive ability when grown in high-density monoculture communities of plants from the same population (intrapopulation competition). In contrast, invasive A. adenophora plants showed lower competitive ability when competing with plants from native populations (intraspecific competition). Our results indicated that in the invasive range A. adenophora has evolved to effectively cope with co-occurring natives and high density environments, contributing to invasion success. Here, we showed the significant effects of competitors, which should be considered carefully when testing the EICA hypothesis. |
| Funding Organization | National Natural Science Foundation of China [31200333, 30830027]; Applied Basic Study Project of Yunnan Province [2013FB075]; West Light Foundation of the Chinese Academy of Sciences; CAS 135 program [XTBG-T01, XTBG-F01] |
| Language | 英语 |
| Document Type | 期刊论文 |
| Identifier | https://ir.xtbg.ac.cn/handle/353005/9347 |
| Collection | 植物生理生态研究组 |
| Recommended Citation GB/T 7714 | Zheng, Yulong,Feng, Yulong,Valiente-Banuet, Alfonso,et al. Are invasive plants more competitive than native conspecifics? Patterns vary with competitors[J]. SCIENTIFIC REPORTS,2015,5(a):-. |
| APA | Zheng, Yulong.,Feng, Yulong.,Valiente-Banuet, Alfonso.,Li, Yangping.,Liao, Zhiyong.,...&Chen, Yajun.(2015).Are invasive plants more competitive than native conspecifics? Patterns vary with competitors.SCIENTIFIC REPORTS,5(a),-. |
| MLA | Zheng, Yulong,et al."Are invasive plants more competitive than native conspecifics? Patterns vary with competitors".SCIENTIFIC REPORTS 5.a(2015):-. |
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