The mycorrhizal status of Taiwanese trees and the description of some ectomycorrhizal types

Haug, Ingeborg; Weber, Raphael; Oberwinkler, Franz; Tschen, Johannes Scheng-Ming

doi:10.1007/bf00196628

Cited by 15 publications

(12 citation statements)

References 16 publications

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“…The diversity of AM fungi was greater at the crest line than in the valley, but decreased with the demise of pioneer plants [248]. This was consistent with the probably altitudinal distribution of mycorrhizal associations in Taiwan, since AM associations dominate in the lower tropical regions, AM along with EM associations are found in the mixed, subtropical forests, and EM associations dominate in the higher mountains [57].…”

Section: Am Mycorrhizas In Particular Circumstancessupporting

confidence: 58%

A 60-year journey of mycorrhizal research in China: Past, present and future directions

Duan

Chen

et al. 2010

Sci. China Life Sci.

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The significance of mycorrhizas (fungal roots in 90% of land plants) in plant nutrient acquisition and growth, element biogeochemical cycling and maintaining of terrestrial ecosystem structures has been globally established for more than 120 years. Great progress in mycorrhizal research in the past 60 years (1950-2009, 1981-2009 in particular) has also been made across China, particularly in the mainland, Hong Kong and Taiwan. For instance, a total of 20 new and approximately 120 records of arbuscular mycorrhizal (AM) fungal species, 30 new and approximately 800 records of ectomycorrhizal (EM) fungal species, a dozen of new and approximately 100 records of orchid mycorrhizal (OM) fungal species have been isolated by morphological observation and/or molecular identification in China since the 1950s. Great accomplishment has also been made in the following area, including fungal species richness and genetic structure, relationships between species composition and plant taxa, effects of mycorrhizal fungi on plant nutrient uptake and growth, resistances to pathogens and interactions with other soil microorganisms, potential of mycorrhizal fungi in phytoremediation and/or land reclamation, alterations of enzymatic activities in mycorrhizal plants, and elevated CO(2) and O(3) on root colonization and species diversity. Unfortunately, the international community cannot easily appreciate almost all Chinese mycorrhizal studies since the vast majority of them have been published in Chinese and/or in China-based journals. The aim of this review is to make a comprehensive exposure of the past and present China's major mycorrhizal research to the whole world, and then to suggest potential directions for the enhancement of future mycorrhizal research within and/or between the Chinese and international mycorrhizal community.

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Section: Am Mycorrhizas In Particular Circumstancessupporting

confidence: 58%

A 60-year journey of mycorrhizal research in China: Past, present and future directions

Duan

Chen

et al. 2010

Sci. China Life Sci.

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“…Interestingly, species of the genus Elaeocarpus are able to form both arbuscular and ectomycorrhiza (Haug et al . ). Since ectomycorrhizal plants are depleted in foliar 15 N compared with arbuscular mycorrhizal plants (Craine et al .…”

Section: Discussionmentioning

confidence: 97%

Mixed afforestation of young subtropical trees promotes nitrogen acquisition and retention

Lang

Oheimb

Scherer‐Lorenzen

et al. 2013

Journal of Applied Ecology

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Summary1. Afforestation is globally increasing to produce timber and pulp wood, but also to enhance ecosystem services such as carbon sequestration, nutrient retention or groundwater recharge. In China, large areas have been and will be afforested in order to compensate for the negative impacts of former clear-cuttings and to make use of the ecosystem services associated with afforestation. In order to further optimize these services with regard to balanced nutrient (particularly nitrogen) cycles, it is important to know whether the use of mixtures of native tree species in afforestation projects promotes the acquisition and retention of nitrogen compared with the currently established large-scale monocultures. 2. To test the effect of species richness on system N retention and tree sapling N uptake, we conducted a 15 N tracer experiment in a young tree plantation. To this end, saplings of four abundant early successional tree species were planted in monocultures, in two-and four-species mixtures and as single trees.3. Nitrogen retention increased with higher species richness due to enhanced N pools in sapling biomass. These species richness effects strengthened over time. 4. Species-specific differences in 15 N recoveries over time revealed below-ground niche differentiation with regard to N uptake, which is likely to result in complementary resource use among coexisting species. 5. Synthesis and applications. This study provides evidence that mixed afforestation promotes N retention from the sapling stage. To further improve ecosystem services associated with afforestation, we strongly suggest the use of mixtures of native tree species instead of monocultures. Mixtures of four species may reduce system N losses and thus may lessen groundwater contamination due to N leaching. We encourage further investigations to find optimal species combinations that promote a wide range of ecosystem services related to more closed nutrient cycles and minimized soil erosion. In our study, the plantations' capability to retain N could be optimized by means of both increasing tree species richness and by choosing the optimal species combinations.

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“…and the pantropical Pisonia aculeata L. (Haug et al . , ; this study). Several Pisonia species, including P. umbellifera , P. brunoniana and P. sechellarum , do not form ectomycorrhizas (Haug et al .…”

Section: Introductionmentioning

confidence: 60%

“…), while P. umbellifera does not (Haug et al . ). We did not re‐cover a thelephoroid from P. subcordata, but we re‐covered at least one thelephoroid OTU from all other ectomycorrhizal species investigated here.…”

Section: Discussionmentioning

confidence: 97%

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Phylogenetic trait conservation in the partner choice of a group of ectomycorrhizal trees

Hayward

Horton

2014

Molecular Ecology

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Ecological interactions are frequently conserved across evolutionary time. In the case of mutualisms, these conserved interactions may play a large role in structuring mutualist communities. We hypothesized that phylogenetic trait conservation could play a key role in determining patterns of association in the ectomycorrhizal symbiosis, a globally important trophic mutualism. We used the association between members of the pantropical plant tribe Pisonieae and its fungal mutualist partners as a model system to test the prediction that Pisonieae-associating ectomycorrhizal fungi will be more closely related than expected by chance, reflecting a conserved trait. We tested this prediction using previously published and newly generated sequences in a Bayesian framework incorporating phylogenetic uncertainty. We report that phylogenetic trait conservation does exist in this association. We generated a five-marker phylogeny of members of the Pisonieae and used this phylogeny in a Bayesian relaxed molecular clock analysis. We established that the most recent common ancestors of Pisonieae species and Pisonieae-associating fungi sharing phylogenetic conservation of their patterns of ectomycorrhizal association occurred no more recently than 14.2 Ma. We therefore suggest that phylogenetic trait conservation in the Pisonieae ectomycorrhizal mutualism association represents an inherited syndrome which has existed for at least 14 Myr.

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The mycorrhizal status of Taiwanese trees and the description of some ectomycorrhizal types

Cited by 15 publications

References 16 publications

A 60-year journey of mycorrhizal research in China: Past, present and future directions

A 60-year journey of mycorrhizal research in China: Past, present and future directions

Mixed afforestation of young subtropical trees promotes nitrogen acquisition and retention

Phylogenetic trait conservation in the partner choice of a group of ectomycorrhizal trees

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