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Carbon isotopic sig...
Carbon isotopic signatures of soil organic matter correlate with leaf area index across woody biomes
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- Ladd, Brenton (författare)
- Facultad de Ciencias Ambientales, Universidad Científica del Sur, Lima, Peru; Earth and Environmental Sciences, Evolution and Ecology Research Centre, School of Biological, University of New South Wales, Sydney, Australia
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- Peri, Pablo L. (författare)
- Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET), Estación Experimental Agropecuaria (EEA), National Agricultural Technology Institute (INTA), Rio Gallegos, Argentina
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- Pepper, David A. (författare)
- Earth and Environmental Sciences, School of Biological, University of New South Wales, Sydney, Australia
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- Silva, Lucas C. R. (författare)
- Department of Land, Air and Water Resources, University of California, Davis, USA
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- Sheil, Douglas (författare)
- School of Environmental Science and Management, Southern Cross University, Lismore, Australia; Center for International Forestry Research (CIFOR), Bogor, Indonesia; Department of Ecology and Natural Resource Management, Norwegian University of Life Sciences, Ås, Norway
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- Bonser, Stephen P. (författare)
- Earth and Environmental Sciences, Evolution and Ecology Research Centre, School of Biological, University of New South Wales, Sydney, Australia
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- Laffan, Shawn W. (författare)
- Earth and Environmental Sciences, School of Biological, University of New South Wales, Sydney, Australia
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- Amelung, Wulf (författare)
- Soil Science and Soil Ecology, Institute of Crop Science and Resource Conservation (INRES), University of Bonn, Bonn, Germany
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- Ekblad, Alf, 1957- (författare)
- Örebro universitet,Institutionen för naturvetenskap och teknik,Örebro University
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- Eliasson, Peter (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Lund University,Lunds universitet,Institutionen för naturgeografi och ekosystemvetenskap,Naturvetenskapliga fakulteten,Dept of Physical Geography and Ecosystem Science,Faculty of Science,Institutionen för ekologi,Department of Ecology,Department of Physical Geography and Ecosystem Science, Lund University, Lund, Sweden
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- Bahamonde, Hector (författare)
- Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET), Estación Experimental Agropecuaria (EEA), National Agricultural Technology Institute (INTA), Rio Gallegos, Argentina
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- Duarte-Guardia, Sandra (författare)
- acultad de Ciencias Ambientales, Universidad Cienifica del Sur, Lima, Peru
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- Bird, Michael (författare)
- Department of Ecology, Swedish University of Agricultural Sciences (SLU), Uppsala, Sweden; Centre for Tropical Environmental and Sustainability Science, School of Earth and Environmental Sciences, James Cook University, Cairns, Australia
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(creator_code:org_t)
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- 2014-09-05
- 2014
- Engelska.
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Ingår i: Journal of Ecology. - : Wiley. - 0022-0477 .- 1365-2745. ; 102:6, s. 1606-1611
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http://dx.doi.org/10...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://lup.lub.lu.s...
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https://res.slu.se/i...
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Abstract
Ämnesord
Stäng
- Leaf area index (LAI), a measure of canopy density, is a key variable for modelling and understanding primary productivity, and also water use and energy exchange in forest ecosystems. However, LAI varies considerably with phenology and disturbance patterns, so alternative approaches to quantifying stand-level processes should be considered. The carbon isotope composition of soil organic matter (C-13(SOM)) provides a time-integrated, productivity-weighted measure of physiological and stand-level processes, reflecting biomass deposition from seasonal to decadal time scales.Our primary aim was to explore how well LAI correlates with C-13(SOM) across biomes.Using a global data set spanning large environmental gradients in tropical, temperate and boreal forest and woodland, we assess the strength of the correlation between LAI and C-13(SOM); we also assess climatic variables derived from the WorldClim database.We found that LAI was strongly correlated with C-13(SOM), but was also correlated with Mean Temperature of the Wettest Quarter, Mean Precipitation of Warmest Quarter and Annual Solar Radiation across and within biomes.Synthesis. Our results demonstrate that C-13(SOM) values can provide spatially explicit estimates of leaf area index (LAI) and could therefore serve as a surrogate for productivity and water use. While C-13(SOM) has traditionally been used to reconstruct the relative abundance of C-3 versus C-4 species, the results of this study demonstrate that within stable C-3- or C-4-dominated biomes, C-13(SOM) can provide additional insights. The fact that LAI is strongly correlated to C-13(SOM) may allow for a more nuanced interpretation of ecosystem properties of palaeoecosystems based on palaeosol C-13 values.
Ämnesord
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Environmental Sciences (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Naturgeografi (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Physical Geography (hsv//eng)
- LANTBRUKSVETENSKAPER -- Lantbruksvetenskap, skogsbruk och fiske -- Markvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Agriculture, Forestry and Fisheries -- Soil Science (hsv//eng)
Nyckelord
- climate
- isoscapes
- leaf area index
- paleoecosystems
- plant-soil (below-ground) interactions
- productivity
- stable isotopes
- water stress
- C-13
- C-13(SOM)
- Enviromental Science
- Miljövetenskap
- climate
- isoscapes
- leaf area index
- paleoecosystems
- plant-soil
- (below-ground) interactions
- productivity
- stable isotopes
- water
- stress
- C-13
- C-13(SOM)
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Ladd, Brenton
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Peri, Pablo L.
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Pepper, David A.
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Silva, Lucas C. ...
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Sheil, Douglas
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Bonser, Stephen ...
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visa fler...
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Laffan, Shawn W.
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Amelung, Wulf
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Ekblad, Alf, 195 ...
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Eliasson, Peter
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Bahamonde, Hecto ...
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Duarte-Guardia, ...
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Bird, Michael
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