Search for dissertations about: "ectomycorrhizal fungi"
Showing result 21 - 25 of 37 swedish dissertations containing the words ectomycorrhizal fungi.
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21. External Mycelia of Mycorrhizal Fungi - responses to elevated N in forest ecosystems
Abstract : Most plants live in symbiosis with mycorrhizal fungi. Mycorrhizal roots constitute the interface between the plant and the soil, and almost every fine root of forest trees in nitrogen-limited boreal and temperate forests is colonised by ectomycorrhizal (EM) fungi. READ MORE
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22. Ectomycorrhizal community structure and function in relation to forest residue harvesting and wood ash applications
Abstract : Ectomycorrhizal fungi form symbiotic associations with tree roots and assist in nutrient-uptake and -cycling in forest ecosystems, thereby constituting a most significant part of the microbial community. The aims of the studies described in this thesis were to evaluate the potential of DNA-based molecular methods in below-ground ectomycorrhizal community studies and to investigate changes in ectomycorrhizal communities on spruce roots in sites with different N deposition, and in sites subjected to harvesting of forest residues or application of wood ash. READ MORE
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23. From forests to microbiomes : The mediation of plant-soil systems by root-symbiotic fungi
Abstract : Plant-microbial symbioses play crucial roles in ecological and biogeochemical processes such as carbon and nutrient cycling, plant-soil feedback, and evolutionary dynamics. However, less is known about how these symbioses influence the broader soil microbial communities (microbiomes) that they interact with, which is essential to understanding the ecosystem processes they facilitate. READ MORE
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24. The effect of forest nutrients status on ectomycorrhizal growth and community structure in response to minerals
Abstract : Ectomycorrhiza are a symbiosis between trees and soil inhabiting fungi. The fungal hyphae ensheath the fine roots creating a mantle and grow in between root cells to create the Hartig net, where the exchange of carbon and mineral nutrients occurs. The ectomycorrhizal fungus is dependent on the host tree to receive the carbon it needs to grow. READ MORE
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25. Mycorrhizal guild functions and conservational values in boreal forests
Abstract : The immense diversity and biomass of ericoid-, ectomycorrhizal, and saprotrophic fungal guilds in boreal forest soils make them vital components of conservation and ecosystem processes, and in particular, many ectomycorrhizal fungi are considered species of conservation concern. However, amalgamated information on the functions and relationships of soil fungi to perceived forest conservation values, and how inter and intra-guild interactions affect the accretion and decomposition of soil organic matter is lacking. READ MORE
