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| DOI | 10.1139/cjb-2023-0095 |
| Genetic variation in growth and leaf traits associated with local adaptation to climate in yellow birch ( Betula alleghaniensis Britton) | |
| 发表日期 | 2024 |
| ISSN | 1916-2790 |
| EISSN | 1916-2804 |
| 起始页码 | 102 |
| 结束页码 | 4 |
| 卷号 | 102期号:4 |
| 英文摘要 | Understanding patterns of variation in functional traits of hardwood trees is crucial for conserving and managing North American temperate forests under climate change. This study examined provenance variation of yellow birch (Betula alleghaniensis Britton) in growth, biomass allocation, leaf morphology, and stable carbon isotope composition. Trees were grown from 10 seed sources originating from across Canada and the northern USA. Height and diameter were not significantly related to climate at seed origin, suggesting that variation may be better explained by site factors, such as soil pH and soil moisture. In contrast, carbon isotope composition and leaf morphological traits were significantly correlated to climate variables including temperature, precipitation, and solar radiation. Provenances from warmer, drier localities tended to have higher stable carbon isotope ratio (813C), greater specific leaf area, and narrower leaf width than their counterparts from cooler, wetter climates. Thus, variation in leaf morphological traits appears to be involved in adaptation of yellow birch to variation in temperature and moisture availability across the species' range. Our results suggest that there may exist potential for selection and breeding of drought-resistant yellow birch genotypes to aid in reforestation under climate change. |
| 英文关键词 | Betula alleghaniensis; adaptive variation; leaf morphology; growth; biomass allocation; carbon isotope ratio |
| 语种 | 英语 |
| WOS研究方向 | Plant Sciences |
| WOS类目 | Plant Sciences |
| WOS记录号 | WOS:001233243400001 |
| 来源期刊 | BOTANY
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/288026 |
| 作者单位 | Lakehead University |
| 推荐引用方式 GB/T 7714 | . Genetic variation in growth and leaf traits associated with local adaptation to climate in yellow birch ( Betula alleghaniensis Britton)[J],2024,102(4). |
| APA | (2024).Genetic variation in growth and leaf traits associated with local adaptation to climate in yellow birch ( Betula alleghaniensis Britton).BOTANY,102(4). |
| MLA | "Genetic variation in growth and leaf traits associated with local adaptation to climate in yellow birch ( Betula alleghaniensis Britton)".BOTANY 102.4(2024). |
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