Article (Scientific journals)
Long-Term Effects of Forest Plantation Species on Chemical Soil Properties in Southern Rwanda
Rwibasira, Peter; Naramabuye, Francois Xavier; Nsabimana, Donat et al.
2021In Soil Systems, 5 (59)
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Keywords :
soil quality; soil functions; Eucalyptus species; soil acidity; exchangeable cations; water extractable C and N; Ruhande Arboretum; Rwanda
Abstract :
[en] Understanding the long-term effects of tree species on soil properties is crucial for the development of forest restoration policies in relation to the choice of species that meet both environmental and local livelihood needs. This study was performed in the Arboretum of Ruhande, Southern Rwanda, where monocultures of 148 deciduous and 56 conifer species have been established in 0.25 ha replicated plots from 1933 onwards. We investigated the effects of six exotic and two native tree species planted in monoculture plots and native species mixed within one self-regenerated plot on soil properties in two layers (0–5 cm and 5–10 cm depth). We measured general soil properties (pH, SOM, exchangeable base cations) and water-soluble C and N as a proxy for soil functioning. Changes in soil properties were observed in the upper soil layer for all tree species. Planting Eucalyptus species caused soil acidification, whereas soil exchangeable cations and pH were higher under native species (Entandrophragma excelsum and Polyschias fulva) and mixed native species. The effects of tree species were more pronounced for hot water-extractable C and N than for other soil properties. Their analyses could be used for detecting changes in soil functioning linked to vegetation types.
Disciplines :
Environmental sciences & ecology
Phytobiology (plant sciences, forestry, mycology...)
Author, co-author :
Rwibasira, Peter  ;  Université de Liège - ULiège > Département de Biologie, Ecologie et Evolution, InBioS > Écologie végétale et microbienne
Naramabuye, Francois Xavier
Nsabimana, Donat
Carnol, Monique  ;  Université de Liège - ULiège > Département de Biologie, Ecologie et Evolution, InBioS > Ecologie végétale et microbienne
Language :
English
Title :
Long-Term Effects of Forest Plantation Species on Chemical Soil Properties in Southern Rwanda
Publication date :
2021
Journal title :
Soil Systems
eISSN :
2571-8789
Publisher :
Molecular Diversity Preservation International (MDPI), Basel, Switzerland
Volume :
5
Issue :
59
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
Académie de Recherche et d'Enseignement Supérieur (Belgique). Coopération au Développement - ARES. CCD
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since 28 September 2021

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