Risk spreading, habitat selection and division of biomass in a submerged clonal plant: Responses to heterogeneous copper pollution
文献类型:期刊论文
作者 | Yan, Xue; Wang, Haowen; Rudstam, Lars G.; Wang, Qingfeng |
刊名 | ENVIRONMENTAL POLLUTION
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出版日期 | 2013 |
英文摘要 | Heterogeneity of contaminant-stress can be an important environmental factor for clonal plants. We focused on Cu transport among the clones, the foraging or fugitive behavior and biomass allocation of submerged plant, Vallisneria natans (Lour.) Hara, exposed to heterogeneous sediments. This study was carried out in aquatic mesocosms between March and September 2010. Cu accumulated in contaminated ramets was exported horizontally via stolons to other ramets in uncontaminated patches, and then transported both acropetally to leaves and basipetally to belowground structures. There was no indication that V. natans adopted morphological plasticity in response to heterogeneous contaminated habitat. In contrast to predictions, more biomass was allocated to belowground tissues in contaminated patches. We concluded that risk of Cu stress spread among submerged clones, and V natans did not actively select habitat in contaminated patchy environment. Furthermore, V. natans adopted compensatory investments instead of division of labor to acquire nutrient and survive. (C) 2012 Elsevier Ltd. All rights reserved. |
源URL | [http://202.127.146.157/handle/2RYDP1HH/660] ![]() |
专题 | 中国科学院武汉植物园 |
推荐引用方式 GB/T 7714 | Yan, Xue,Wang, Haowen,Rudstam, Lars G.,et al. Risk spreading, habitat selection and division of biomass in a submerged clonal plant: Responses to heterogeneous copper pollution[J]. ENVIRONMENTAL POLLUTION,2013. |
APA | Yan, Xue,Wang, Haowen,Rudstam, Lars G.,&Wang, Qingfeng.(2013).Risk spreading, habitat selection and division of biomass in a submerged clonal plant: Responses to heterogeneous copper pollution.ENVIRONMENTAL POLLUTION. |
MLA | Yan, Xue,et al."Risk spreading, habitat selection and division of biomass in a submerged clonal plant: Responses to heterogeneous copper pollution".ENVIRONMENTAL POLLUTION (2013). |
入库方式: OAI收割
来源:武汉植物园
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