Arid
DOI10.1016/j.scitotenv.2018.11.148
Comparative pollen limitation and pollinator activity of Caragana korshinskii Kom in natural and fragmented habitats
Chen, Min; Zhao, Xue-Yong; Zuo, Xiao-An
通讯作者Chen, Min ; Zhao, Xue-Yong
来源期刊SCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
EISSN1879-1026
出版年2019
卷号654页码:1056-1063
英文摘要In many flowering plants, fragmented habitats may affect pollen limitation, pollinator behavior, and plant-pollinator interactions. Pollen limitation may decrease plant reproduction due to low levels of pollen transfer and inadequate pollen receipt. However, how fragmented habitats affect the pollen limitation and pollinator activity of Caragana korshinskii Kom. still needs further study. We designed a pollen supplementation treatment to understand how pollen limitation affects seed set. We calculated the visiting patterns and frequency of pollinators in different habitat types (natural and fragmented) to determine the effect of fragmented habitats on pollinator activity and on the pollination success of a desert-grassland shrub. Our results demonstrated that pollen supplementation was found to significantly increase seed set per flower, which is pollen-limited in the studied species. Moreover, the pollen limitation index in fragmented habitats was increased compared to that of natural habitats. Apis mellifera was found lobe the dominant pollinator, with more pollinators and a higher visitation frequency of A. mellifera found in natural habitats compared to fragmented habitats. Our results showed that pollen limitation intensity was significantly correlated with the pollinator visitation frequency in the both habitats. Outcrossing was dominant in the breeding system, and insect pollination played a critical role in outcrossing. We found that fragmented habitats could affect pollinator activity, which might reduce pollen dispersal among flowers and the probability of outcrossing in the studied habitats. (C) 2018 The Authors. Published by Elsevier B.V.
英文关键词Fragmented habitat Pollen limitation Pollinator Pollinator activity Seed set
类型Article
语种英语
国家Peoples R China
开放获取类型hybrid
收录类别SCI-E
WOS记录号WOS:000458630100097
WOS关键词PLANT REPRODUCTION ; SEED DISPERSAL ; CONSERVATION ; BEHAVIOR ; BIODIVERSITY ; STRATEGIES ; MOVEMENTS ; DENSITY ; SYSTEM
WOS类目Environmental Sciences
WOS研究方向Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/218636
作者单位Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Lanzhou 730000, Gansu, Peoples R China
推荐引用方式
GB/T 7714
Chen, Min,Zhao, Xue-Yong,Zuo, Xiao-An. Comparative pollen limitation and pollinator activity of Caragana korshinskii Kom in natural and fragmented habitats[J],2019,654:1056-1063.
APA Chen, Min,Zhao, Xue-Yong,&Zuo, Xiao-An.(2019).Comparative pollen limitation and pollinator activity of Caragana korshinskii Kom in natural and fragmented habitats.SCIENCE OF THE TOTAL ENVIRONMENT,654,1056-1063.
MLA Chen, Min,et al."Comparative pollen limitation and pollinator activity of Caragana korshinskii Kom in natural and fragmented habitats".SCIENCE OF THE TOTAL ENVIRONMENT 654(2019):1056-1063.
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