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学科主题: 生物科学::普通生物学
题名: Responses of phenology and seed production of annual Koenigia islandica to warming in a desertified alpine meadow
作者: Cui, SJ (Cui, Shujuan)1; Meng, FD (Meng, Fandong)1; Ji, SN (Ji Suonan)1; Qi, W (Qi Wang)1; Li, BW (Li, Bowen)1; Liu, PP (Liu, Peipei)1; Renzeng, WM (Renzeng, Wangmu)1; Lv, WW (Lv, Wangwang)1; Jiang, LL (Jiang, Lili)1; Zhang, LR (Zhang, Lirong)1; Li, XE (Li, Xine)1; Li, YM (Li, Yaoming)1; Zhang, ZH (Zhang, Zhenhua)2; Luo, CY (Luo, Caiyun)2; Tsechoe, D (Tsechoe, Dorji)1, 3; Wang, SP (Wang, Shiping)1, 3, 4, 5
通讯作者: Wang, SP
关键词: PLANT-POLLINATOR INTERACTIONS ; TIBETAN PLATEAU ; FLORAL LONGEVITY ; FLOWERING TIME ; CLIMATE-CHANGE ; TEMPERATURE ; GERMINATION ; AVAILABILITY ; POPULATIONS ; SENSITIVITY
刊名: AGRICULTURAL AND FOREST METEOROLOGY
发表日期: 2017
DOI: 10.1016/j.agrformet2017.08.034
卷: 247, 期:0, 页:376-384
收录类别: SCI
合作性质: 国际
文章类型: Article
类目[WOS]: Agronomy; Forestry; Meteorology & Atmospheric Sciences
研究领域[WOS]: Agriculture; Forestry; Meteorology & Atmospheric Sciences
英文摘要: The distribution of annual plant species greatly expands with degradation and desertification of natural grass-lands caused by climate change and overgrazing. However, limited understanding of how their life history traits respond to climate change limits our ability to predict their adaptive strategies in the future. Here we explored effects of warming on phenological sequences and seed production of annual Koenigia islandica using an open top chamber on the Tibetan plateau from 2014 to 2016. Our results indicate that warming significantly delayed first budding-set and complete leaf coloring, and prolonged the durations of leaf coloring and the total activity period in the alpine region. Warming significantly reduced ratio of reproductive and vegetative phases relative to no warming in 2016. Warming significantly increased plant height at first flowering, seed number and mass, but had no significant effect on seed size in 2016. There was a positive correlation between seed germination time and seed number, and there were negative correlations between seed size and first fruiting-set and flowering duration. Soil temperatures and soil moisture in May and June had positive and negative correlations with seed number and mass per plant, respectively. Our results suggest that the annual plant primarily promotes its fitness through an increase in seed number and mass per plant due to an increase in plant height, rather than by altering phenophases or prolong duration of reproductive phase under future warming in the alpine meadow.
语种: 英语
WOS记录号: WOS:000416186700035
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.itpcas.ac.cn/handle/131C11/7920
Appears in Collections:图书馆_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Alpine Ecol & Biodivers, Beijing 100101, Peoples R China
2.Chinese Acad Sci, Northwest Inst Plateau Biol, Key Lab Adaptat & Evolut Plateau Biota, Xining 810008, Qinghai, Peoples R China.
3.Chinese Acad Sci, CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China.
4.Tibet Univ, Naqu Integrated Observat & Res Stn Ecol & Environ, Lasa 850012, Peoples R China.
5.Chinese Acad Sci, Inst Tibetan Plateau Res, Lasa 850012, Peoples R China. [Cui, Shujuan; Qi Wang; Li, Bowen; Liu, Peipei; Renzeng, Wangmu; Lv, Wangwang] Univ Chinese Acad Sci, Beijing 100049, Peoples R China.

Recommended Citation:
Cui, SJ ,Meng, FD ,Ji, SN ,et al. Responses of phenology and seed production of annual Koenigia islandica to warming in a desertified alpine meadow[J]. AGRICULTURAL AND FOREST METEOROLOGY,2017,247(0):376-384.
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