Influence of Environmental Factors on the Structure of Soil Microfungi of Vietnamese Tropical Forests

Results of a multiyear complex study of species diversity, features and patterns of distribution, substrate colonization, and ecology of soil microscopic fungi in the lowland, piedmont, and mountain monsoon rain forests of Vietnam are presented for the first time. In 97 forest habitats studied withi...

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Bibliographic Details
Published in:Contemporary problems of ecology Vol. 11; no. 5; pp. 472 - 483
Main Authors: Alexandrova, A. V., Aldobaeva, I. I., Kalashnikova, K. A., Kuznetsov, A. N.
Format: Journal Article
Language:English
Published: Moscow Pleiades Publishing 01.09.2018
Springer Nature B.V
Subjects:
altitude
Biodiversity
Biomedical and Life Sciences
Colonization
conservation areas
Dependence
Dry season
Ecology
Environmental factors
forest habitats
forest types
Fungi
Genera
Life Sciences
monsoon season
piedmont
Plant species
Protected areas
rain forests
Rainforests
Sea level
soil
Soil ecology
Soil microorganisms
Soil structure
Species composition
Species diversity
Substrates
Tropical forests
Vietnam
Vietnam
ecology
species diversity
tropic forests
soil microscopic fungi
distribution
ecological factors
ISSN:1995-4255, 1995-4263
Online Access:Get full text
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Summary:Results of a multiyear complex study of species diversity, features and patterns of distribution, substrate colonization, and ecology of soil microscopic fungi in the lowland, piedmont, and mountain monsoon rain forests of Vietnam are presented for the first time. In 97 forest habitats studied within 13 specially protected areas of Vietnam in the Northern, Central, and Southern parts of the country, 510 species of micromycetes from 148 genera have been identified. The influence of environmental factors (climatic features, relief, soils, forest types, etc.) on the formation of complexes of micromycetes has been analyzed. As a result, the dependence of the number of colony-forming units (CFUs) on the type of the substrate and the season (wet/dry) is established: significantly more species are detected in the dry season (October–March) ( p < 0.05) in comparison with the wet one; many species are associated with certain plant species. Indicators of species diversity decrease with an increase above sea level altitude ( p < 0.01). Herewith, the ratio of the taxonomic groups of micromycetes also consistently changes. A latitudinal–zonal trend of the change of the species composition of microscopic fungi, determined by a combination of environmental factors, has been revealed.
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ISSN:1995-4255
1995-4263
DOI:10.1134/S1995425518050025