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THE TRADE-OFF AND ALTITUDINAL VARIATIONS IN SEED WEIGHT-NUMBER IN SINOPODOPHYLLUM HEXANDRUM (ROYLE) YING (BERBERIDACEAE) POPULATIONS FROM THE HENGDUAN MOUNTAINS
Meng, Li-Hua1; Wang, Yun2; Luo, Jian3; Yang, Yong-Ping2; Duan, Yuan-Wen2; Meng,LH (reprint author),Yunnan Normal Univ,Sch Life Sci,Engn Res Ctr Sustainable Dev & Utilizat Biomass E,Minist Educ,Key Lab Biomass Energy & Environm Bio,Kunming 650500,Peoples R China.; ynnumlh@gmail.com; duanyw@mail.kib.ac.cn
2014
发表期刊POLISH JOURNAL OF ECOLOGY
ISSN1505-2249
卷号62期号:3页码:413-419
产权排序第二
摘要Given the finite resources of seed production, a trade-off between seed weight and number was expected. However, it still remains unclear how the seed weight-number trade-off changes if there are some mechanisms to enhance resource acquirements during the fruit developments. Sinopodophyllum hexandrum presents furled leaves in flowering time but unfurled leaves in fruiting time, which is considered to enhance the photosynthates to fruit development. To determine the relationship between seed weight and number of S. hexandrum, we examined the altitudinal variations and the relationship between seed weight and number in the fruits from 27 populations of in 2009 and 2010. Our results showed that, along the altitudinal gradient, seed weight decreased significantly but seed number increased insignificantly, indicating that the selective pressure on seed production might come from seed dispersal in high altitude populations. There was no significant relationship between seed weight and number in most populations, but an inverse relationship was found between seed weight and number when the data from all populations were pooled, indicating the seed weight-number trade-off and resource limitation of seed production in S. hexandrum on species level. We suggested that the two unfurled leaves of S. hexandrum might contribute to the resources allocated to the fruit development via enhancing photosynthates, which might mask the seed weight-number trade-off on population level to some degree.
关键词Weight-number Trade-off Alpine Environment
资助信息National Natural Science Foundation of China [30700096, 31160084, 31260049]
学科领域Environmental Sciences & Ecology
收录类别SCI
语种英语
WOS研究方向Environmental Sciences & Ecology
WOS类目Ecology
WOS记录号WOS:000342335100002
引用统计
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/18435
专题中国科学院青藏高原研究所昆明部
通讯作者Meng,LH (reprint author),Yunnan Normal Univ,Sch Life Sci,Engn Res Ctr Sustainable Dev & Utilizat Biomass E,Minist Educ,Key Lab Biomass Energy & Environm Bio,Kunming 650500,Peoples R China.; ynnumlh@gmail.com; duanyw@mail.kib.ac.cn
作者单位1.Yunnan Normal Univ, Sch Life Sci, Engn Res Ctr Sustainable Dev & Utilizat Biomass E, Minist Educ,Key Lab Biomass Energy & Environm Bio, Kunming 650500, Peoples R China
2.Chinese Acad Sci, Kunming Inst Bot, Kunming 650204, Yunnan, Peoples R China
3.Tibet Agr & Anim Husb, Res Inst Plateau Ecol, Nyingchi 860000, Tibet, Peoples R China
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GB/T 7714
Meng, Li-Hua,Wang, Yun,Luo, Jian,et al. THE TRADE-OFF AND ALTITUDINAL VARIATIONS IN SEED WEIGHT-NUMBER IN SINOPODOPHYLLUM HEXANDRUM (ROYLE) YING (BERBERIDACEAE) POPULATIONS FROM THE HENGDUAN MOUNTAINS[J]. POLISH JOURNAL OF ECOLOGY,2014,62(3):413-419.
APA Meng, Li-Hua.,Wang, Yun.,Luo, Jian.,Yang, Yong-Ping.,Duan, Yuan-Wen.,...&duanyw@mail.kib.ac.cn.(2014).THE TRADE-OFF AND ALTITUDINAL VARIATIONS IN SEED WEIGHT-NUMBER IN SINOPODOPHYLLUM HEXANDRUM (ROYLE) YING (BERBERIDACEAE) POPULATIONS FROM THE HENGDUAN MOUNTAINS.POLISH JOURNAL OF ECOLOGY,62(3),413-419.
MLA Meng, Li-Hua,et al."THE TRADE-OFF AND ALTITUDINAL VARIATIONS IN SEED WEIGHT-NUMBER IN SINOPODOPHYLLUM HEXANDRUM (ROYLE) YING (BERBERIDACEAE) POPULATIONS FROM THE HENGDUAN MOUNTAINS".POLISH JOURNAL OF ECOLOGY 62.3(2014):413-419.
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