Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1111/ele.12963 |
Landscape evolution and nutrient rejuvenation reflected in Amazon forest canopy chemistry | |
Chadwick, K. Dana1,2; Asner, Gregory P.1 | |
2018-07-01 | |
发表期刊 | ECOLOGY LETTERS
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ISSN | 1461-023X |
EISSN | 1461-0248 |
出版年 | 2018 |
卷号 | 21期号:7页码:978-988 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | Terra firme forests make up more than three quarters of the western Amazon basin and are often considered functionally homogeneous in regional scale mapping and modelling efforts. However, the landforms underlying these systems are subject to dynamic processes of landscape evolution occurring within an otherwise geomorphically stable terrace formation. These processes may introduce systematic variability in local nutrient status of terra firme ecosystems. We utilised high-resolution airborne topographic and imaging spectroscopy data, with directed field soil surveys, to reveal that active stream incision and patterns of soil rock derived nutrient availability drive foliar canopy chemistry distributions across seven catchments within a single terrace formation. These results strongly suggest that fine-scale geomorphic processes directly affect biogeochemical cycles throughout the lowland western Amazon. Furthermore, links between landscape evolution and foliar chemical distributions indicate that geomorphic processes drive the fine-scale spatial organisation of this tropical ecosystem, with implications for the functional assembly and biogeography of Amazonian forests. |
英文关键词 | Amazon calcium Carnegie Airborne Observatory landscape ecology rock-derived nutrients tropical forests |
领域 | 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000435270600004 |
WOS关键词 | SOIL-PHOSPHORUS ; CHEMICAL TRAITS ; TROPICAL FOREST ; PARENT-MATERIAL ; DIVERSITY ; UPLIFT ; BIOGEOCHEMISTRY ; DISTRIBUTIONS ; LIMITATION ; LITTERFALL |
WOS类目 | Ecology |
WOS研究方向 | Environmental Sciences & Ecology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/31176 |
专题 | 资源环境科学 |
作者单位 | 1.Carnegie Inst Sci, Dept Global Ecol, 260 Panama St, Stanford, CA 94305 USA; 2.Stanford Univ, Dept Earth Syst Sci, 473 Via Ortega, Stanford, CA 94305 USA |
推荐引用方式 GB/T 7714 | Chadwick, K. Dana,Asner, Gregory P.. Landscape evolution and nutrient rejuvenation reflected in Amazon forest canopy chemistry[J]. ECOLOGY LETTERS,2018,21(7):978-988. |
APA | Chadwick, K. Dana,&Asner, Gregory P..(2018).Landscape evolution and nutrient rejuvenation reflected in Amazon forest canopy chemistry.ECOLOGY LETTERS,21(7),978-988. |
MLA | Chadwick, K. Dana,et al."Landscape evolution and nutrient rejuvenation reflected in Amazon forest canopy chemistry".ECOLOGY LETTERS 21.7(2018):978-988. |
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