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| DOI | 10.1093/aobpla/plae002 |
| Flowering phenology differs among wet and dry sub-alpine meadows in southwestern China | |
| 发表日期 | 2024 |
| ISSN | 2041-2851 |
| 起始页码 | 16 |
| 结束页码 | 1 |
| 卷号 | 16期号:1 |
| 英文摘要 | The effect of floral traits, floral rewards and plant water availability on plant-pollinator interactions are well-documented; however, empirical evidence of their impact on flowering phenology in high-elevation meadows remains scarce. In this study, we assessed three levels of flowering phenology, i.e. population-, individual- and flower-level (floral longevity), in two nearby but contrasting (wet versus dry) sub-alpine meadows on Yulong Snow Mountain, southwestern China. We also measured a series of floral traits (pollen number, ovule number, and the ratio of pollen to ovule number per flower, i.e. pollen:ovule ratio [P/O]) and floral rewards (nectar availability and pollen presentation) as plausible additional sources of variation for each phenological level. Floral longevity in the wet meadow was significantly longer than that for the dry meadow, whereas population- and individual-flowering duration were significantly shorter. Our results showed a significant positive relationship between flowering phenology with pollen number and P/O per flower; there was no relationship with ovule number per flower. Further, we found a significant effect of flowering phenology on nectar availability and pollen presentation. Our findings suggest that shorter floral longevity in dry habitats compared to wet might be due to water-dependent maintenance costs of flowers, where the population- and individual-level flowering phenology may be less affected by habitats. Our study shows how different levels of flowering phenology underscore the plausible effects of contrasting habitats on reproductive success. Flowering phenology differs among wet and dry sub-alpine meadows on Yulong Snow Mountain, southwestern Yunnan. There is a significantly shorter duration of floral longevity in dry meadow compared to floral longevity in wet meadow, suggesting the water-dependent maintenance costs of flowers may play a role for flowering phenology of sub-alpine plant species. |
| 英文关键词 | floral longevity; floral rewards; flower; flowering duration; phenology; pollen number |
| 语种 | 英语 |
| WOS研究方向 | Plant Sciences ; Environmental Sciences & Ecology |
| WOS类目 | Plant Sciences ; Ecology |
| WOS记录号 | WOS:001153414300001 |
| 来源期刊 | AOB PLANTS
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/301988 |
| 作者单位 | Chinese Academy of Sciences; Kunming Institute of Botany, CAS; Chinese Academy of Sciences; University of Chinese Academy of Sciences, CAS; University of Freiburg; Mercer University |
| 推荐引用方式 GB/T 7714 | . Flowering phenology differs among wet and dry sub-alpine meadows in southwestern China[J],2024,16(1). |
| APA | (2024).Flowering phenology differs among wet and dry sub-alpine meadows in southwestern China.AOB PLANTS,16(1). |
| MLA | "Flowering phenology differs among wet and dry sub-alpine meadows in southwestern China".AOB PLANTS 16.1(2024). |
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