Annika Uibopuu "Communities of arbuscular mycorrhizal fungi in spruce forest ecosystem and their effect on performance of forest understorey plant species" | University of Tartu

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Contacts of UT units

Faculty of Arts and Humanities
Faculty phone: 
+372 737 5341
Faculty address: 
Jakobi 2, rooms 116–121, 51005 Tartu
  • Dean's Office
    Faculty phone: 
    + 372 737 5341
    Faculty address: 
    Jakobi 2, rooms 116–121, 51005 Tartu
  • Institute of History and Archaeology
    Faculty phone: 
    +372 737 5651
    Faculty address: 
    Jakobi 2, 51005 Tartu
  • Institute of Estonian and General Linguistics
    Faculty phone: 
    +372 737 5221
    Faculty address: 
    Jakobi 2, 51005 Tartu
  • Institute of Philosophy and Semiotics
    Faculty phone: 
    +372 737 5314
    Faculty address: 
    Jakobi 2, rooms 309–352, 51005 Tartu
  • Institute of Cultural Research
    Faculty phone: 
    (+372) 737 5223
    Faculty address: 
    Ülikooli 16, 51003 Tartu
  • School of Theology and Religious Studies
    Faculty phone: 
    +372 737 5301
    Faculty address: 
    Ülikooli 18–310, 50090 Tartu
  • College of Foreign Languages and Cultures
    Faculty address: 
    J. Liivi 4, 50409, Tartu
  • Viljandi Culture Academy
    Faculty phone: 
    +372 435 5232
    Faculty address: 
    Posti 1, 71004 Viljandi
Faculty of Social Sciences
Faculty phone: 
+372 737 5957
Faculty address: 
Lossi 36, 51003 Tartu
  • Dean's Office
    Faculty phone: 
    + 372 737 5900
    Faculty address: 
    Lossi 36, 51003 Tartu
  • Institute of Education
    Faculty phone: 
    +372 737 6440
    Faculty address: 
    Salme 1a–29, 50103 Tartu
  • Johan Skytte Institute of Political Studies
    Faculty phone: 
    +372 737 5582
    Faculty address: 
    Lossi 36–301, 51003 Tartu
  • School of Economics and Business Administration
    Faculty phone: 
    +372 737 6310
    Faculty address: 
    Narva mnt 18, 51009 Tartu
  • Institute of Psychology
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    Faculty address: 
    Näituse 2, 50409 Tartu
  • School of Law
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  • Institute of Social Studies
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    Lossi 36, 51003 Tartu
  • Narva College
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  • Pärnu College
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    Ringi 35, 80012 Pärnu
Faculty of Medicine
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Ravila 19, 50411 Tartu
  • Dean's Office
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    Faculty address: 
    Ravila 19, 50411 Tartu
  • Institute of Biomedicine and Translational Medicine
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    Faculty address: 
    Biomeedikum, Ravila 19, 50411 Tartu
  • Institute of Pharmacy
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    Nooruse 1, 50411 Tartu
  • Institute of Dentistry
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    Raekoja plats 6, 51003 Tartu
  • Institute of Clinical Medicine
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    L. Puusepa 8, 50406 Tartu
  • Institute of Family Medicine and Public Health
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    Faculty address: 
    Ravila 19, 50411 Tartu
  • Institute of Sport Sciences and Physiotherapy
    Faculty phone: 
    +372 737 5360
    Faculty address: 
    Jakobi 5–205, 51005 Tartu
Faculty of Science and Technology
Faculty phone: 
+372 737 5820
Faculty address: 
Vanemuise 46–208, 51014 Tartu
  • Dean's Office
    Faculty phone: 
    +372 737 5820
    Faculty address: 
    Vanemuise 46–208, 51003 Tartu
  • Institute of Computer Science
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    Faculty address: 
    Narva mnt 18, 51009 Tartu
  • Estonian Marine Institute
    Faculty phone: 
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    Faculty address: 
    Mäealuse 14, 12618 Tallinn
  • Institute of Physics
    Faculty address: 
    W. Ostwaldi 1, 50411 Tartu
  • Institute of Chemistry
    Faculty phone: 
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    Faculty address: 
    Ravila 14a, 50411 Tartu
  • Institute of Mathematics and Statistics
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  • Institute of Molecular and Cell Biology
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  • Tartu Observatory
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  • Institute of Technology
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  • Institute of Ecology and Earth Sciences
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    Faculty address: 
    Vanemuise 46, 51003 Tartu
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    W. Struve 1, 50091 Tartu
  • Youth Academy
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    Faculty address: 
    Uppsala 10, 51003 Tartu
  • Institute of Genomics
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    Faculty address: 
    Riia 23b, 51010 Tartu
  • Museum
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    Lossi 25, 51003 Tartu
  • University of Tartu Natural History Museum and Botanical Garden
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    Vanemuise 46, 51003 Tartu
Support Units
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    Faculty address: 
    Narva mnt 18, 51009, Tartu
  • University Office in Tallinn
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    Faculty address: 
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  • Estates Office
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    Faculty address: 
    Ülikooli 18a, 51005 Tartu
  • Finance Office
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  • Procurement Office
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  • Rector's Strategy Office
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  • University of Tartu Press
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  • View all other units

Annika Uibopuu "Communities of arbuscular mycorrhizal fungi in spruce forest ecosystem and their effect on performance of forest understorey plant species"

Date: 
17.12.2013 - 12:15 to 14:15

Supervisors: prof. Martin Zobel ja vanemteadur Maarja Öpik
Opponent: dr. Miroslav Vosátka (Institute of Botany, Academy of Sciences
of Czech Republic)

Summary:
Arbuscular mycorrhizal (AM) fungal communities in plant roots vary in
space and time. Anthropogenic activities can affect the local AM fungal
communities in plant roots and in soil. Differences in the diversity and
community composition of AM fungi may result different growth responses
in host plants and changes in the structure of plant communities and
ecosystem functioning.
The aims of this doctoral thesis were to study the effect of natural
mycorrhizal fungal community variation on plant establishment and
growth. Also, to describe the communities of AM fungi in the roots of
forest understorey plants and is it related to the forest management
intensity. As different types of mycorrhiza coexist in temperate
ecosystems, interactions between AM and ECM plants were addressed.
Results of this study demonstrated that the AM fungal communities from
differently managed ecosystems can have different effect on the growth
of forest understorey plant species. For instance, Geranium pratense,
Prunella vulgaris and Veronica chamaedrys showed better growth with AM
fungal community from old forest than young forest stand. Trifolium
pratense and Hypericum maculatum responded more positively to the arable
field inoculum, and Solidago virgaurea had higher growth rate with AM
fungi from young forest compared to old forest inoculum. Moreover, there
were also plant species (T. pratense, H. maculatum, Geum rivale,
Fragaria vesca, Plantago lanceolata and Primula veris) which showed no
difference in response to old and young forest inoculum. AM fungal
communities in roots showed different composition in treatments. Plants
grown with arable field inoculum hosted a different AM fungal community
from those grown with old forest inocula. The distinctive mycorrhizal
communities emerged in the roots of experimental plant species growing
with the same inocula. Study results showed also that AM fungi influence
the success of seedling recruitment in forest ecosystem, and it is more
pronounced under low nutrient availability for plants. However, no
competition between AM and ectomycorrhizal (ECM) fungi emerged in this
study. ECM fungi had strong positive effect on Betula pendula growth,
and Acer platanoides plants seemed to prefer growth conditions without
the presence of ECM fungi.
In conclusion, the results of this study add new evidence about the
influence of land use intensity on AM fungal communities and hence its
effect on plant growth. AM fungi are important already in seedling stage
for plants. Further experimental studies are needed to explore the
competition between different types of mycorrhizal fungi and to
understand its effect on plant performance in more detail.

Organizer: 
Location: 
Lai Street 40, room 218
Event category: