Sharing rotting wood in the shade: ectomycorrhizal communities of co-occurringbirch and hemlock seedlings

Verfasser / Beitragende:
[Sarah Poznanovic, Erik Lilleskov, Christopher Webster]
Ort, Verlag, Jahr:
2015
Enthalten in:
Mycorrhiza, 25/2(2015-02-01), 153-164
Format:
Artikel (online)
ID: 605518386
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024 7 0 |a 10.1007/s00572-014-0597-0  |2 doi 
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245 0 0 |a Sharing rotting wood in the shade: ectomycorrhizal communities of co-occurringbirch and hemlock seedlings  |h [Elektronische Daten]  |c [Sarah Poznanovic, Erik Lilleskov, Christopher Webster] 
520 3 |a Coarse woody debris (CWD)is an important nursery environment for many tree species. Understanding the communities of ectomycorrhizal fungi (ECMF)and the effect of ECMF species on tree seedling condition in CWD will elucidate the potential for ECMF-mediatedeffects on seedling dynamics. In hemlock-dominatedstands, we characterized ECMF communities associated with eastern hemlock (Tsuga canadensis (L.) Carr) and yellow birch (Betula alleghaniensis Britt) seedling pairs growing on CWD. Seedling foliage and CWD were analyzed chemically, and seedling growth, canopy cover, and canopy species determined. Thirteen fungal taxa, 12 associated with birch, and 6 with hemlock, were identified based on morphology and ITS sequencing. Five species were shared by co-occurringbirch and hemlock, representing 75% of ectomycorrhizal root tips. Rarified ECMF taxon richness per seedling was higher on birch than hemlock. Nonmetric multidimensional scaling revealed significant correlations between ordination axes, the mutually exclusive ECMF Tomentella and Lactarius spp., foliar N and K, CWD pH, and exchangeable Ca and Mg. Seedlings colonized by Lactarius and T. sublilacina differed significantly in foliar K and N, and CWD differed in exchangeable Ca and Mg. CWD pH and nutrient concentrations were low but foliar macro-nutrientconcentrations were not. We hypothesize that the dominant ECMF are adapted to low root carbohydrate availability typical in shaded environments but differ in their relative supply of different nutrients. 
540 |a Springer-Verlag Berlin Heidelberg (outside the USA), 2014 
690 7 |a Ectomycorrhizal fungi  |2 nationallicence 
690 7 |a Seedlings  |2 nationallicence 
690 7 |a Coarse woody debris  |2 nationallicence 
690 7 |a Foliar nutrients  |2 nationallicence 
690 7 |a Multivariate analysis  |2 nationallicence 
690 7 |a Tsuga canadensis  |2 nationallicence 
690 7 |a Betula alleghaniensis  |2 nationallicence 
700 1 |a Poznanovic  |D Sarah  |u School of Forest Resources and Environmental Science, Michigan Technological University, 1400 Townsend Drive, 49931-1295, Houghton, MI, USA  |4 aut 
700 1 |a Lilleskov  |D Erik  |u Forestry Sciences Laboratory, Northern Research Station, USDA Forest Service, 410 MacInnes Drive, 49931, Houghton, MI, USA  |4 aut 
700 1 |a Webster  |D Christopher  |u School of Forest Resources and Environmental Science, Michigan Technological University, 1400 Townsend Drive, 49931-1295, Houghton, MI, USA  |4 aut 
773 0 |t Mycorrhiza  |d Springer Berlin Heidelberg  |g 25/2(2015-02-01), 153-164  |x 0940-6360  |q 25:2<153  |1 2015  |2 25  |o 572 
856 4 0 |u https://doi.org/10.1007/s00572-014-0597-0  |q text/html  |z Onlinezugriff via DOI 
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900 7 |a Metadata rights reserved  |b Springer special CC-BY-NC licence  |2 nationallicence 
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950 |B NATIONALLICENCE  |P 700  |E 1-  |a Poznanovic  |D Sarah  |u School of Forest Resources and Environmental Science, Michigan Technological University, 1400 Townsend Drive, 49931-1295, Houghton, MI, USA  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Lilleskov  |D Erik  |u Forestry Sciences Laboratory, Northern Research Station, USDA Forest Service, 410 MacInnes Drive, 49931, Houghton, MI, USA  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Webster  |D Christopher  |u School of Forest Resources and Environmental Science, Michigan Technological University, 1400 Townsend Drive, 49931-1295, Houghton, MI, USA  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Mycorrhiza  |d Springer Berlin Heidelberg  |g 25/2(2015-02-01), 153-164  |x 0940-6360  |q 25:2<153  |1 2015  |2 25  |o 572