Root lifespan turnover and efficiency

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August undefined, 2024

WebDownload scientific diagram Conceptual models indicating predicted responses of fine root lifespan to increased temperature (top panel) and increased temperature variability (bottom panel). WebRoot Life Span, Efficiency, and Turnover By David M. Eissenstat, Ruth D. Yanai Book Plant Roots Edition 3rd Edition First Published 2002 Imprint CRC Press Pages 28 eBook ISBN …

Explaining Variation in Fine Root Life Span SpringerLink

WebAbout this book. In the course of evolution, a great variety of root systems have learned to overcome the many physical, biochemical and biological problems brought about by soil. … Webanisms controlling root turnover is likely to be found in the still poorly-defined relation between root function and root age. Yanai etat (1995) introduced a cost-benefit model to explore whether root life span maximizes the efficiency of nutrient capture, with efficiency defined as the ratio of nutrient touchscreen enabled pc

Regional scale patterns of fine root lifespan and turnover under ...

WebFeb 9, 2011 · Root life span also decreases in periods with lowered photosynthetic C gain, when C assimilation is limited by reduced flux densities of photosynthetically active radiation (PAR) or drought,... WebMay 16, 2014 · The lifespan of fast-cycling roots is a critical parameter determining a large flux of plant carbon into soil through root turnover and is a biological feature regulating the capacity of a plant to capture soil water … WebThe study of root population dynamics is of interest to many disciplines, including crop science, physiology, ecology, and soil science. For example, a better understanding of root … touchscreen enableasus

Impacts of environmental factors on fine root lifespan - PubMed

(PDF) Impacts of environmental factors on fine root lifespan

WebRoot order also is important to root life-span, because variation in diameters among roots within the same order is large and diameters varied from <0.2 mm, to 0.2-0.5 mm and to >0.5 mm even in the first-order roots. Differences in the life-span between root diameter and root order affect estimates of root turnover. Therefore, based on this ... WebAug 1, 2006 · A better understanding of root lifespan will be valuable to those attempting to model ecosystem carbon cycles because of the important link root turnover has in this process. Many of the trees proposed to be examined in this study are forest dominants in much of eastern hardwood forests. touchscreen enabled firefoxWebMar 29, 2002 · The mechanism behind the shorter root lifespan in a warmer environment has been suggested to be based on enhanced metabolism (respiration) which accelerates … touchscreen emulation app

"WebDec 13, 2002 · The lifetime efficiency of a single root as a function of age and the efficiency of cohort of roots as a function of the median lifespan, or ln(0.5)/k, assuming that the … " - Root lifespan turnover and efficiency

Root lifespan turnover and efficiency

Global change and root lifespan — Penn State

WebFeb 7, 2013 · Estimates of fine root lifespan and turnover are based on empirical observations and relationships with fine root and whole-plant traits and apply explicitly to the fine root pool that is relatively short-lived and most active in nutrient and water uptake. Results from the combined model identified patterns of faster root turnover rates in the ... WebOct 4, 2010 · The limited root growth and very short lifespan of roots at the surface soil layers was probably associated with high soil temperatures and tillage practices. The optimal range of temperature for peach root growth is between 12 and 22 °C (Tamási 1986), values that in summer are usually found in deeper soil layers in this region. In this ...

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WebEissenstat DM, Yanai RD (1997) The ecology of root lifespan. Adv Ecol Res 27:1–62. Google Scholar Eissenstat DM, Yanai RD (2002) Root lifespan, turnover and efficiency. In: Waisel Y, Eshel A, Kafkafi U (eds) Plant roots: the hidden half, 3rd edn. Marcel Dekker, New York, pp 221–238. Google Scholar WebThe lifespan of fast-cycling roots is a critical parameter determining a large ﬂux of plant carbon into soil through root turnover and is a biological feature regulating the capacity of a...

WebEstimates of fine root lifespan and turnover are based on empirical observations and relationships with fine root and whole‐plant traits and apply explicitly to the fine root pool …

WebFeb 7, 2013 · Estimates of fine root lifespan and turnover are based on empirical observations and relationships with fine root and whole-plant traits and apply explicitly to … WebJun 11, 2012 · Introduction. Fine roots play a key role in soil nutrient, water, and carbon (C) cycling. Globally, up to one-third of terrestrial net primary productivity is allocated to fine roots (Jackson et al., 1997) and fine root lifespan specifically controls a dominant flux of C from plants into soils through the turnover of root tissue.Fine root lifespan also exerts an …

WebEstimates of fine root lifespan and turnover are based on empirical observations and relationships with fine root and whole‐plant traits and apply explicitly to the fine root pool that is relatively short‐lived and most active in nutrient and water uptake.

WebBouma TJ, Hengst K, Koustaal BP, van Soelen J (2002) Estimating root lifespan of two grasses at contrasting elevation in a salt marsh by applying vitality staining on roots from … potted grass lloyd and hannahWebAug 15, 2008 · The fine root production in spring and summer accounted for 41.7% and 39.7% of the total annual production in F. mandshurica and 24.0% and 51.2% in L. gmelinii. The majority of fine root mortality occurred in spring and summer for F. mandshurica and in summer and autumn for L. gmelinii. touchscreen enabled vs multitouchWebSep 1, 2013 · Assuming resource optimization, we hypothesized that root lifespan should maximize the lifetime root efficiency or the lifetime benefits relative to the lifetime costs (Yanai et al. 1995). Therefore, roots growing in the N-rich patches that do not become depleted should be longer lived, because they presumably are supplying more of the … potted grass for catsWebRoot architectural traits, such as lateral branching and root hair density, are clearly advantageous for phosphorus-use efficiency. However, monitoring these traits and using them for selection in breeding programs is certainly not straightforward. View chapter Purchase book TREE PHYSIOLOGY Root System Physiology potted grasses in winterWebApr 1, 2024 · Plants with lower root lifespan would shed more litter to soils via root turnover, with expectations to mainly supply the POM-N pool (Daly et al., 2024, Mitchell et al., 2024). Similarly, Huang et al. (2024) found that plant species with lower lifespan led to more root-derived C in POM during the growing season. touchscreen enableWebexplore whether root life span maximizes the efficiency of nutrient capture, with efficiency defined as the ratio of nutrient gained (benefit) per unit carbon expended (cost) on a root … touchscreen enabler windows 11WebAug 1, 2006 · A better understanding of root lifespan will be valuable to those attempting to model ecosystem carbon cycles because of the important link root turnover has in this … touchscreen enabler for laptops