Microbial Enzymatic Activities and Community-Level Physiological Profiles (CLPP) in Subsoil Layers Are Altered by Harvest Residue Management Practices in a Tropical Eucalyptus grandis Plantation

Harvest residue management is a key issue for the sustainability of Eucalyptus plantations established on poor soils. Soil microbial communities contribute to soil fertility by the decomposition of the organic matter (OM), but little is known about the effect of whole-tree harvesting (WTH) in compar...

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Veröffentlicht in:Microbial ecology 2019-08, Vol.78 (2), p.528-533
Hauptverfasser: Maillard, François, Leduc, Valentin, Bach, Cyrille, de Moraes Gonçalves, José Leonardo, Androte, Fernando Dini, Saint-André, Laurent, Laclau, Jean-Paul, Buée, Marc, Robin, Agnès
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container_end_page 533
container_issue 2
container_start_page 528
container_title Microbial ecology
container_volume 78
creator Maillard, François
Leduc, Valentin
Bach, Cyrille
de Moraes Gonçalves, José Leonardo
Androte, Fernando Dini
Saint-André, Laurent
Laclau, Jean-Paul
Buée, Marc
Robin, Agnès
description Harvest residue management is a key issue for the sustainability of Eucalyptus plantations established on poor soils. Soil microbial communities contribute to soil fertility by the decomposition of the organic matter (OM), but little is known about the effect of whole-tree harvesting (WTH) in comparison to stem only harvesting (SOH) on soil microbial functional diversity in Eucalyptus plantations. We studied the effects of harvest residue management (branches, leaves, bark) of Eucalyptus grandis trees on soil enzymatic activities and community-level physiological profiles in a Brazilian plantation. We measured soil microbial enzymatic activities involved in OM decomposition and we compared the community level physiological profiles (CLPP) of the soil microbes in WTH and SOH plots. WTH decreased enzyme activities and catabolic potential of the soil microbial community. Furthermore, these negative effects on soil functional diversity were mainly observed below the 0–5 cm layer (5–10 and 10–20 cm), suggesting that WTH can be harmful to the soil health in these plantations.
doi_str_mv 10.1007/s00248-018-1298-6
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subjects Agriculture
Bacteria - classification
Bacteria - enzymology
Bacteria - genetics
Bacteria - isolation & purification
Bacterial Proteins - analysis
Bacterial Proteins - metabolism
Bark
Biomedical and Life Sciences
Branches
Brazil
Communities
Crop Production - methods
Decomposition
Ecology
Enzymatic activity
Enzyme activity
Eucalyptus
Eucalyptus - chemistry
Eucalyptus - growth & development
Eucalyptus grandis
Fertility
Geoecology/Natural Processes
Harvesting
Leaves
Life Sciences
Management
Microbial activity
Microbial Ecology
Microbiology
Microbiota
Microorganisms
Nature Conservation
Organic matter
Physiology
Plant Stems - chemistry
Plantations
Profiles
Soil
Soil - chemistry
Soil fertility
Soil Microbiology
Soil microorganisms
Soils
Subsoils
Sustainability
Tropical climate
Water Quality/Water Pollution
title Microbial Enzymatic Activities and Community-Level Physiological Profiles (CLPP) in Subsoil Layers Are Altered by Harvest Residue Management Practices in a Tropical Eucalyptus grandis Plantation
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