globalchange  > 气候减缓与适应
DOI: 10.1111/ele.12964
Scopus记录号: 2-s2.0-85045387322
论文题名:
Topography shapes the structure, composition and function of tropical forest landscapes
作者: Jucker T.; Bongalov B.; Burslem D.F.R.P.; Nilus R.; Dalponte M.; Lewis S.L.; Phillips O.L.; Qie L.; Coomes D.A.
刊名: Ecology Letters
ISSN: 1461023X
EISSN: 1461-0248
出版年: 2018
卷: 21, 期:7
起始页码: 989
结束页码: 1000
语种: 英语
英文关键词: Aboveground carbon density ; airborne laser scanning (or LiDAR) ; biodiversity ; canopy height ; gap fraction ; hyperspectral imaging ; remote sensing ; terrain elevation, slope and curvature ; wood density
英文摘要: Topography is a key driver of tropical forest structure and composition, as it constrains local nutrient and hydraulic conditions within which trees grow. Yet, we do not fully understand how changes in forest physiognomy driven by topography impact other emergent properties of forests, such as their aboveground carbon density (ACD). Working in Borneo – at a site where 70-m-tall forests in alluvial valleys rapidly transition to stunted heath forests on nutrient-depleted dip slopes – we combined field data with airborne laser scanning and hyperspectral imaging to characterise how topography shapes the vertical structure, wood density, diversity and ACD of nearly 15 km2 of old-growth forest. We found that subtle differences in elevation – which control soil chemistry and hydrology – profoundly influenced the structure, composition and diversity of the canopy. Capturing these processes was critical to explaining landscape-scale heterogeneity in ACD, highlighting how emerging remote sensing technologies can provide new insights into long-standing ecological questions. © 2018 The Authors. Ecology Letters published by CNRS and John Wiley & Sons Ltd
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/107417
Appears in Collections:气候减缓与适应

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作者单位: Department of Plant Sciences, Forest Ecology and Conservation group, University of Cambridge, Cambridge, United Kingdom; CSIRO Land and Water, 147 Underwood Avenue, Floreat, WA, Australia; School of Biological Sciences, University of Aberdeen, Cruickshank Building, St Machar Drive, Aberdeen, United Kingdom; Sabah Forestry Department, Forest Research Centre, P.O. Box 1407, Sandakan, Sabah, Malaysia; Department of Sustainable Agro-ecosystems and Bioresources, Research and Innovation Centre, Fondazione E. Mach, Via E. Mach 1, San Michele all'Adige, Italy; School of Geography, University of Leeds, Leeds, United Kingdom; Imperial College London, Silwood Park Campus, Buckhusrt Road, Ascot, United Kingdom

Recommended Citation:
Jucker T.,Bongalov B.,Burslem D.F.R.P.,et al. Topography shapes the structure, composition and function of tropical forest landscapes[J]. Ecology Letters,2018-01-01,21(7)
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