Contrasting leaf trait scaling relationships in tropical and temperate wet forest species
文献类型：期刊论文
| 作者 | Xiang, Shuang ; Reich, Peter B. ; Sun, Shucun ; Atkin, Owen K. |
| 刊名 | FUNCTIONAL ECOLOGY
 |
| 出版日期 | 2013 |
| 卷号 | 27期号:2页码:522-534 |
| 关键词 | leaf mass per unit area leaf traits nitrogen photosynthesis respiration scaling relationships temperate wet forests tropical wet forests |
| ISSN号 | 0269-8463 |
| 产权排序 | 1 |
| 通讯作者 | Atkin, OK (reprint author), Australian Natl Univ, Res Sch Biol, Div Plant Sci, Bldg 46, Canberra, ACT 0200, Australia. |
| 英文摘要 | We investigated whether plants adapted to thermally contrasting environments (e.g. tropical-temperate habitats) exhibit inherent differences in leaf trait scaling relationships. Thirteen tropical and 12 temperate species (all characteristic of wet forests) were grown in a glasshouse (25/20 degrees C day/night). A range of leaf traits were quantified, including mass-based leaf nitrogen [N], mass per unit area (LMA), light-saturated photosynthesis (A) and respiration (Rdark). Average area- and mass-based rates of net CO2 exchange were higher in the temperate species, compared to their tropical counterparts. Average leaf [N] and LMA values were also higher in temperate species than in their tropical counterparts. The higher LMA in the metabolically more active temperate species was the most striking contrast to the patterns and predictions of the GLOPNET leaf trait data base, and was associated with different elevations (i.e. y-axis intercepts) but not slopes of bivariate trait scaling relationships. As expected, mass-based rates of A and Rdark scaled positively with increasing [N] and negatively with increasing LMA in both tropical and temperate species. No differences were found between temperate and tropical species groups in terms of log-log scaling relationships linking A and Rdark to N. However, at any given LMA, mass-based values of [N], A and Rdark were all higher in the temperate species than in their tropical counterparts. Underpinning higher A in temperate species was a higher capacity for carboxylation (Vcmax) and RuBP regeneration (Jmax), with Jmax:Vcmax being greater in temperate species. In conclusion, our results suggest that as a consequence of greater overall N investment as well as greater proportional N investment in metabolic capacity, cool-adapted temperate wet forest species exhibit higher photosynthetic and respiration rates than their warm-adapted tropical counterparts when compared in a common environment. |
| 学科主题 | Environmental Sciences & Ecology |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000317306000024 |
| 公开日期 | 2014-11-21 |
| 源URL | [http://210.75.237.14/handle/351003/24236]  |
| 专题 | 成都生物研究所_生态研究 |
| 推荐引用方式 GB/T 7714 | Xiang, Shuang,Reich, Peter B.,Sun, Shucun,et al. Contrasting leaf trait scaling relationships in tropical and temperate wet forest species[J]. FUNCTIONAL ECOLOGY,2013,27(2):522-534. |
| APA | Xiang, Shuang,Reich, Peter B.,Sun, Shucun,&Atkin, Owen K..(2013).Contrasting leaf trait scaling relationships in tropical and temperate wet forest species.FUNCTIONAL ECOLOGY,27(2),522-534. |
| MLA | Xiang, Shuang,et al."Contrasting leaf trait scaling relationships in tropical and temperate wet forest species".FUNCTIONAL ECOLOGY 27.2(2013):522-534. |
入库方式： OAI收割
来源：成都生物研究所
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