| Species specific and environment induced variation of delta C-13 and delta N-15 in alpine plants | |
Yang, Yang ; Siegwolf, Rolf T. W.; Koerner, Christian
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| 2015-06-05 | |
| Source Publication | FRONTIERS IN PLANT SCIENCE
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| Volume | 6 |
| Abstract | Stable carbon and nitrogen isotope signals in plant tissues integrate plant-environment interactions over long periods. In this study, we hypothesized that humid alpine life conditions are narrowing the scope for significant deviations from common carbon, water and nitrogen relations as captured by stable isotope signals. We explored the variation in delta C-13 and delta N-15 in 32 plant species from tissue type to ecosystem scale across a suite of locations at c. Two thousand five hundred meter elevation in the Swiss Alps. Foliar delta C-13 and delta N-15 varied among species by about 3-4 parts per thousand and 7-8 parts per thousand respectively. However, there was no overall difference in means of delta C-13 and delta N-15 for species sampled in different plant communities or when bulk plant dry matter harvests of different plant communities were compared. delta C-13 was found to be highly species specific, so that the ranking among species was mostly maintained across 11 habitats. However, delta N-15 varied significantly from place to place in all species (a range of 2.7 parts per thousand) except in Fabaceae (Trifolium alpinum) and Juncaceae (Luzula lutea). There was also a substantial variation among individuals of the same species collected next to each other. No difference was found in foliar delta N-15 of non-legumes, which were either collected next to or away from the most common legume, T alpinurn. delta N-15 data place Cyperaceae and Juncaceae, just like Fabaceae, in a low discrimination category, well separated from other families. Soil delta N-15 was higher than in plants and increased with soil depth. The results indicate a high functional diversity in alpine plants that is similar to that reported for low elevation plants. We conclude that the surprisingly high variation in delta C-13 and delta N-15 signals in the studied high elevation plants is largely species specific (genetic) and insensitive to obvious environmental cues. |
| Keyword | Biodiversity Carbon Nitrogen N-2 Fixation Soil Stable Isotope |
| DOI | 10.3389/fpls.2015.00423 |
| Indexed By | SCI |
| Language | 英语 |
| WOS ID | WOS:000357057400001 |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.kib.ac.cn/handle/151853/24953 |
| Collection | 中国科学院东亚植物多样性与生物地理学重点实验室 |
| Recommended Citation GB/T 7714 | Yang, Yang,Siegwolf, Rolf T. W.,Koerner, Christian. Species specific and environment induced variation of delta C-13 and delta N-15 in alpine plants[J]. FRONTIERS IN PLANT SCIENCE,2015,6. |
| APA | Yang, Yang,Siegwolf, Rolf T. W.,&Koerner, Christian.(2015).Species specific and environment induced variation of delta C-13 and delta N-15 in alpine plants.FRONTIERS IN PLANT SCIENCE,6. |
| MLA | Yang, Yang,et al."Species specific and environment induced variation of delta C-13 and delta N-15 in alpine plants".FRONTIERS IN PLANT SCIENCE 6(2015). |
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| fpls-06-00423.pdf（1875KB） | 期刊论文 | 作者接受稿 | 开放获取 | CC BY-NC-SA | View Download | |
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