Root structural and functional dynamics in terrestrial biosphere models--evaluation and recommendations

No claim to original US Government works. New Phytologist © 2014 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 205(2015), 1 vom: 29. Jan., Seite 59-78
1. Verfasser: Warren, Jeffrey M (VerfasserIn)
Weitere Verfasser: Hanson, Paul J, Iversen, Colleen M, Kumar, Jitendra, Walker, Anthony P, Wullschleger, Stan D
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2015
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, U.S. Gov't, Non-P.H.S. Review hydraulic redistribution nitrogen uptake root function root model root plasticity water uptake Water mehr... 059QF0KO0R Carbon 7440-44-0 Nitrogen N762921K75
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500 |a Date Revised 30.09.2020 
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500 |a Citation Status MEDLINE 
520 |a No claim to original US Government works. New Phytologist © 2014 New Phytologist Trust. 
520 |a There is wide breadth of root function within ecosystems that should be considered when modeling the terrestrial biosphere. Root structure and function are closely associated with control of plant water and nutrient uptake from the soil, plant carbon (C) assimilation, partitioning and release to the soils, and control of biogeochemical cycles through interactions within the rhizosphere. Root function is extremely dynamic and dependent on internal plant signals, root traits and morphology, and the physical, chemical and biotic soil environment. While plant roots have significant structural and functional plasticity to changing environmental conditions, their dynamics are noticeably absent from the land component of process-based Earth system models used to simulate global biogeochemical cycling. Their dynamic representation in large-scale models should improve model veracity. Here, we describe current root inclusion in models across scales, ranging from mechanistic processes of single roots to parameterized root processes operating at the landscape scale. With this foundation we discuss how existing and future root functional knowledge, new data compilation efforts, and novel modeling platforms can be leveraged to enhance root functionality in large-scale terrestrial biosphere models by improving parameterization within models, and introducing new components such as dynamic root distribution and root functional traits linked to resource extraction 
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650 4 |a Review 
650 4 |a hydraulic redistribution 
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650 4 |a water uptake 
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700 1 |a Hanson, Paul J  |e verfasserin  |4 aut 
700 1 |a Iversen, Colleen M  |e verfasserin  |4 aut 
700 1 |a Kumar, Jitendra  |e verfasserin  |4 aut 
700 1 |a Walker, Anthony P  |e verfasserin  |4 aut 
700 1 |a Wullschleger, Stan D  |e verfasserin  |4 aut 
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