IMHE OpenIR  > 山地表生过程与生态调控重点实验室
Sexual competition and N supply interactively affect the dimorphism and competiveness of opposite sexes in Populus cathayana
Chen, Juan1,2,3; Dong, Tingfa2,4; Duan, Baoli1; Korpelainen, Helena5; Niinemets, Uelo6; Li, Chunyang1
Corresponding AuthorLi, Chunyang
2015
Source PublicationPLANT CELL AND ENVIRONMENT
ISSN0140-7791
EISSN1365-3040
Volume38Issue:7Pages:1285-1298
SubtypeArticle
AbstractSeveral important dioecious species show sexual spatial segregation (SSS) along environmental gradients that have significant ecological effect on terrestrial ecosystem. However, little attention has been paid to understanding of how males and females respond to environmental gradients and sexual competition. We compared eco-physiological parameters of males and females of Populus cathayana under different sexual competition patterns and nitrogen (N) supply levels. We found that males and females interacting with the same or opposite sex showed significant differences in biomass partition, photosynthetic capacity, carbon (C) and N metabolism, and leaf ultrastructure, and that the sexual differences to competition were importantly driven by N supply. The intersexual competition was enhanced under high N, while the intrasexual competition among females was amplified under low N. Under high N, the intersexual competition stimulated the growth of the females and negatively affected the males. In contrast, under low N, the males exposed to intrasexual competition had the highest tolerance, whereas females exposed to intrasexual competition showed the lowest adaptation among all competition patterns. Sexual competition patterns and N supply levels significantly affected the sexual dimorphism and competitiveness, which may play an important role in spatial segregation of P.cathayana populations.
Keywordc And n Metabolism Dioecy Photosynthesis Capacity Sexual Dimorphism Sexual Spatial Segregation
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
DOI10.1111/pce.12477
WOS Subject ExtendedPlant Sciences
Indexed BySCI
WOS KeywordSELF/NON-SELF DISCRIMINATION ; ALFALFA MEDICAGO-SATIVA ; ALTITUDINAL GRADIENT ; AMINO-ACID ; CHLOROPHYLL FLUORESCENCE ; PHYSIOLOGICAL-RESPONSES ; NUTRIENT AVAILABILITY ; ARABIDOPSIS-THALIANA ; BIOMASS ALLOCATION ; ROOT COMPETITION
Language英语
Quartile2区
TOP
WOS SubjectPlant Sciences
WOS IDWOS:000355757200006
Funding OrganizationNational Key Basic Research Program of China(2012CB416901) ; Institute of Mountain Hazards and Environment(SDSQB-2012-01)
Citation statistics
Cited Times:28[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/10489
Collection山地表生过程与生态调控重点实验室
Affiliation1.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China
2.Chinese Acad Sci, Chengdu Inst Biol, Chengdu 610041, Peoples R China
3.Mianyang Normal Univ, Sichuan Prov Key Lab Ecol Secur & Protect, Mianyang 621000, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
5.Univ Helsinki, Dept Agr Sci, FI-00014 Helsinki, Finland
6.Estonian Univ Life Sci, Dept Plant Physiol, EE-51014 Tartu, Estonia
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Chen, Juan,Dong, Tingfa,Duan, Baoli,et al. Sexual competition and N supply interactively affect the dimorphism and competiveness of opposite sexes in Populus cathayana[J]. PLANT CELL AND ENVIRONMENT,2015,38(7):1285-1298.
APA Chen, Juan,Dong, Tingfa,Duan, Baoli,Korpelainen, Helena,Niinemets, Uelo,&Li, Chunyang.(2015).Sexual competition and N supply interactively affect the dimorphism and competiveness of opposite sexes in Populus cathayana.PLANT CELL AND ENVIRONMENT,38(7),1285-1298.
MLA Chen, Juan,et al."Sexual competition and N supply interactively affect the dimorphism and competiveness of opposite sexes in Populus cathayana".PLANT CELL AND ENVIRONMENT 38.7(2015):1285-1298.
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