|
|
Hokkaido University Collection of Scholarly and Academic Papers >
Graduate School of Agriculture / Faculty of Agriculture >
Peer-reviewed Journal Articles, etc >
Different nitrogen acquirement and utilization strategies might determine the ecological competition between ferns and angiosperms
| Title: | Different nitrogen acquirement and utilization strategies might determine the ecological competition between ferns and angiosperms |
| Authors: | Zhang, Chengming Browse this author | | Zhang, Chaoqun Browse this author | | Azuma, Takayuki Browse this author →KAKEN DB | | Maruyama, Hayato Browse this author →KAKEN DB | | Shinano, Takuro Browse this author →KAKEN DB | | Watanabe, Toshihiro Browse this author →KAKEN DB |
| Keywords: | Ferns | | angiosperms | | nitrogen | | sulphur | | ecological competition | | malnourished stress | | nitrogen deficiency |
| Issue Date: | 20-Jan-2023 |
| Publisher: | Oxford University Press |
| Journal Title: | Annals of botany |
| Volume: | 131 |
| Issue: | 7 |
| Start Page: | 1097 |
| End Page: | 1106 |
| Publisher DOI: | 10.1093/aob/mcad009 |
| Abstract: | Background and Aims The abundance or decline of fern populations in response to environmental change has been found to be largely dependent on specific physiological properties that distinguish ferns from angiosperms. Many studies have focused on water use efficiency and stomatal behaviours, but the effects of nutrition acquirement and utilization strategies on niche competition between ferns and flowering plants are rarely reported. Methods We collected 34 ferns and 42 angiosperms from the Botanic Garden of Hokkaido University for nitrogen (N), sulphur (S), NO3- and SO42- analysis. We then used a hydroponic system to compare the different N and S utilization strategies between ferns and angiosperms under N deficiency conditions. Key Results Ferns had a significantly higher NO3--N concentration and NO3--N/N ratio than angiosperms, although the total N concentration in ferns was remarkably lower than that in the angiosperms. Meanwhile, a positive correlation between N and S was found, indicating that nutrient concentration is involved in assimilation. Pteris cretica, a fern species subjected to further study, maintained a slow growth rate and lower N requirement in response to low N stress, while both the biomass and N concentration in wheat (Triticum aestivum) responded quickly to N deficiency conditions. Conclusions The different nutritional strategies employed by ferns and angiosperms depended mainly on the effects of phylogenetic and evolutionary diversity. Ferns tend to adopt an opportunistic strategy of limiting growth rate to reduce N demand and store more pooled nitrate, whereas angiosperms probably utilize N nutrition to ensure as much development as possible under low N stress. Identifying the effects of mineral nutrition on the evolutionary results of ecological competition between plant species remains a challenge. |
| Rights: | This is a pre-copyedited, author-produced version of an article accepted for publication in Annals of Botany following peer review. The version of record Chengming Zhang and others, Different nitrogen acquirement and utilization strategies might determine the ecological competition between ferns and angiosperms, Annals of Botany, Volume 131, Issue 7, 6 June 2023, Pages 1097–1106, is available online at: https://doi.org/10.1093/aob/mcad009. |
| Type: | article (author version) |
| URI: | http://hdl.handle.net/2115/91070 |
| Appears in Collections: | 農学院・農学研究院 (Graduate School of Agriculture / Faculty of Agriculture) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
|
Submitter: 渡部 敏裕
|
