Mycorrhizal Type Influences C Allocation And N Acquisition In Moist Tundra Related PDF's

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Root morphology and mycorrhizal symbioses together shape
Jul 15, 2016 ... predictions of nutrient acquisition strategies from specific root traits are often ... with contrasting mycorrhiza types and root morphologies, and that predictable ... the diameter of absorptive roots, which affects the carbon costs of ..... ingrowth cores in plots of EM species, soil moisture of the additional cores.
[ 1601006113.full.pdf - Read/Download File

Competition between roots and microorganisms for N - GWDG
First, plants and microorganisms in all soils (except soil types such as Phaeozems ... mycorrhizal fungi substantially enhance N acquisition by plants ... C, and in turn obtain nutrients, because these microorganisms efficiently ..... Alpine moist meadow ...... plant-soil feedbacks as influenced by neighbors in the alpine tundra.
[ New-Phyt_2013_Kuzyakov_N-Root-Microorganisms-Competition_Review.pdf - Read/Download File

Modeling the carbon cost of plant nitrogen acquisition: Mycorrhizal
The C cost of N acquisition varies as a function of mycorrhizal type, with ... using first principles based on environmental constraints (e.g., temperature and soil moisture) and in ... Plants, for example, alter the patterns of C allocation to nutrient-scavenging and nutrient-mining ..... how priming influences the response of plant N.
[ Brzostek et al. 2014_C cost of nutrient uptake differs between AM and ECM trees.pdf - Read/Download File

Standard PDF - Wiley Online Library
Here, we investigate how long-term summer warming affects ectomycorrhizal ( ECM) fungal ... tundra. Cortinarius was the most OTU-rich genus in the moist tundra, while the most diverse ... distance exploration type seem to be favored with potential implications for the ... tures, and increasing the rates of nitrogen (N) and C.
[ Global Change Biology Morgado et al 2014.pdf - Read/Download File

Plant litter chemistry and mycorrhizal roots promote a nitrogen
influences the cycle of N to maximize N acquisition by the host's mycorrhizal roots , while hindering ... mycorrhizal association type of dominant plant species and the organic matter .... protein–tannin complex treatments all contained 52% C, the hardwood ... weighed to determine moisture content, ground and measured.
[ ja_wurzburger002.pdf - Read/Download File

The Effect Of Nitrogen On Mycorrhizal Colonization Associated With
Nov 12, 2013 ... N is an essential plant nutrient and many ecosystems adapt to ... an influence on Mycorrhizal's growth and abundance. ... because plants reduce carbon(C) allocation to Mycorrhizal symbionts when the available N is ... species occurred in three different soil types (Allison et al 1162). .... Moisture content.
[ Megan McLin.pdf - Read/Download File

Site-dependent N uptake from N-form mixtures by arctic plants, soil
Thus, more focus on mycorrhizal N uptake patterns is needed to understand ... The soil had a loose, moist, 15- to 50-cm-deep organic horizon (Table 1), and there were ..... Biotic and abiotic soil C and N pools at a heath and a shrub tundra near .... Plants acquired a larger proportion of NO 3 −15 N than glycine- and NH 4 + ...
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Two Decades of Experimental Manipulations of Heaths and Forest
Aug 3, 2012 ... Plant Functional Types, Nutrient Availability, and Responsiveness to Changes ... 1998), the wet (Sorensen and Michelsen 2011) and the mesic (Graglia et al. ..... Plant C accumulation is limited by the lack of N in many tundra ecosystems ... on plant N acquisition and mycorrhizal function (Andresen et al.
[ L7HG60866V775340.pdf - Read/Download File

Nitrogen Cycling and the Spread of Shrubs Control - BioScience
May 2, 2005 ... soil C and N cycling, which in the tundra have been poorly ... in the moist and wet ecosystems of the low Arctic, we focus ... Since N acquisition varies by plant species, changes in plant ... vegetation type of the northern foothills of the Brooks Range, ..... gen for growth by a non-mycorrhizal arctic sedge.
[ 408.full.pdf - Read/Download File

The Mineral Nutrition of Wild Plants Revisited - Climate & Global
11. C . D . E . Biomass Allocation in Relation to Nutrient Acquisition ................ 15 .... mycorrhizal plants is a novel aspect of the terrestrial N cycle. The ability of.
[ Aerts-Chapin-1999.pdf - Read/Download File

Effects of arctic shrub expansion on biophysical vs. biogeochemical
snow trapping by shrubs are unlikely to influence litter nutrient turnover enough to drive positive ... mycorrhizal fungi (Clemmensen et al. 2006). ... shrubs in fertilized tundra cycled C and N faster than in .... Our low shrub site was located in moist acidic tussock tundra .... type from each species found within that plot. Our.
[ DeMarco_etal_2014.pdf - Read/Download File

Decoupled stoichiometric, isotopic, and fungal responses of - Ecoss
ectomycorrhizal black spruce forest to nitrogen and phosphorus ... values became 15N enriched in response to both N and P additions; fungal biomass was repressed by N ... ties will influence the function of boreal ecosystems requires ... to belowground C allocation to EcM fungi (Hцgberg et al., 2010), we ..... N acquisition.
[ Mayor-et-al-2015-Soil-Biology-Biochemistry.pdf - Read/Download File

This article appeared in a journal published by Elsevier. The
Jun 12, 2010 ... mycorrhizal juniper in a piсon-juniper woodland. Michael F. .... root:leaf area during wet periods, plants may not be able to adjust to ... root ratio, and C allocation to the fungi, then feedbacks between N, .... were measured to determine if N acquisition changed with fertil- ..... Influence of ozone and nitrogen.
[ Allen_etal_2010_JAE.pdf - Read/Download File

Standard PDF (1.4 MB) - Wiley Online Library
Dec 15, 2015 ... Biomass allocation to plant aboveground and belowground ... predictably influences C:nutrient ratios (e.g., high soil N:P ratios are associated with high ..... with addition of water to keep the soil moisture .... successions and succession type on soil nutrient ..... plant growth, plants may improve P acquisition.
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PDF(159K) - Wiley Online Library
higher N concentrations, faster maintenance respiration, higher specific root length and shorter life spans than ... which might in turn influence the amount of C .
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The growth of the extramatrical mycelium of ectomycorrhizal fungi
However we suggest that also nitrogen acquisition by tbe plants might be ... A decreased N transport finally results in a slower growtb. In tbis study the extramatrical mycelium in the rooting substrate was determined by wet ... It will be influenced by the fungal species ..... '•'C allocation to extramatrical hyphae of ponderosa.
[ 54fd9ac40cf20700c5ec0745.pdf?disableCoverPage=true - Read/Download File

Herbivores influence nutrient cycling and plant nutrient uptake - DiVA
Defoliation, soil grazing legacy, dung and moss cover influence growth and nutrient ... linkages should be integrated in future work on tundra ecosystem N dynamic. ... promote plant nutrient acquisition and plant productivity ( McNaughton et al. 1997 .... Although non-mycorrhizal tundra plants (NON) access mainly inorganic.
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Plant communities as drivers of soil respiration - Biogeosciences
Aug 3, 2011 ... dent upon the specific C allocation strategies of the plant life .... and soil types which influence the rate of incorporation of. Fig. 1. ... source acquisition ( McNaughton et al., 1989). ... and N forms which facilitates rapid microbial respiration and ..... and tundra) mycorrhizae may enable plants to compete more.
[ bg-8-2047-2011.pdf - Read/Download File

article.pdf (826.8Kb) - Munin
nitrogen (TON) in soil; C, N, δ15N and chlorophyll content in Salix polaris leaves ... depth in the two mesic meadow vegetation types, but not in the drier heath vegetation. .... tundra soils, leading to increased CO2 emissions during the cold- season ..... dependent on mycorrhizal fungi for N acquisition than at low N availability, ...
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Anders Michelsen The use of stable isotopes in studies of plant
nitrogen acquisition in subarctic and arctic ecosystems ... 15N natural abundance in studies of plants and mycorrhizal function in ... Ecosystem C, N and P in organic matter, microorganisms and plants in subarctic heath ... Controls on microbial biomass and nutrients in wet tundra ... Mycorrrhizal status influences leaf δ15N.
[ 7_AndersMichelsenNORDSIRmeeting2011.pdf - Read/Download File

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