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Herbaceous plantspecies support soilmicrobial performancein deciduoustemperate forests Anna M. StefanowiczPaweł KapustaMałgorzata Stanek2021 год

Herbaceous plant species support soil microbial performance in deciduous temperate forests
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Аннотация: Although herbaceous plant layer may contribute significantly to plant diversity and nutrient turnover, its effects on the soil environment in forest ecosystems remain largely unexplored. In this study, we compared the effects of mono-dominant and multi-species assemblages of herb plants on soil physicochemical and microbial properties in two temperate deciduous (beech and riparian) forests. We hypothesized that the presence of herbaceous plants would increase microbial activity and biomass, and nutrient availability in soil when compared to bare soil. This increase would be the highest in multi-species assemblages as high plant diversity supports microbial performance and soil processes, and the expected patterns would be essentially similar in both forests. Allium ursinum L. and Dentaria enneaphyllos L. represented herb species forming mono-dominant patches in beech forest, while Aegopodium podagraria L. and Ficaria verna Huds. represented herb species forming mono-dominant patches in riparian forest. Our hypotheses were only partly supported by the data. We found that herb plant species affected soil microbial communities and processes, particularly in the riparian forest, but they generally did not influence soil physicochemical properties. In the beech forest, herbaceous plants increased saprotrophic fungi biomass, fungi/bacteria ratio, and arylsulfatase activity, with the highest values under D. enneaphyllos. In the riparian forest, a number of microbial parameters, namely bacteria, G+ bacteria, and saprotrophic fungi biomass, fungi/bacteria ratio, and soil respiration exhibited the lowest values in bare soil and the highest values in soil under A. podagraria. Contrary to expectations, soils under multi-species assemblages were characterized by intermediate values of microbial parameters. Concluding, herbaceous plant species largely supported soil microbial communities in deciduous temperate forests but did not affect soil chemical properties. The potential reasons for the positive influence of herb plants on soil microbes (litterfall, rhizodeposition) require further investigation.
Год издания: 2021
Авторы: Anna M. Stefanowicz, Paweł Kapusta, Małgorzata Stanek, Kaja Rola, Szymon Zubek
Издательство: Elsevier BV
Источник: The Science of The Total Environment
Ключевые слова: Soil Carbon and Nitrogen Dynamics, Ecology and Vegetation Dynamics Studies, Forest Ecology and Biodiversity Studies
Другие ссылки: The Science of The Total Environment (HTML)
Jagiellonian University Repository (Jagiellonian University) (PDF)
Jagiellonian University Repository (Jagiellonian University) (HTML)
PubMed (HTML)