Arid
DOI10.1007/s00572-011-0390-2
Response of native soil microbial functions to the controlled mycorrhization of an exotic tree legume, Acacia holosericea in a Sahelian ecosystem
Bilgo, Ablasse1; Sangare, Sheikh K.1; Thioulouse, Jean2; Prin, Yves3; Hien, Victor1; Galiana, Antoine3; Baudoin, Ezekeil4; Hafidi, Mohamed5; Ba, Amadou M.4,6; Duponnois, Robin4,5
通讯作者Duponnois, Robin
来源期刊MYCORRHIZA
ISSN0940-6360
出版年2012
卷号22期号:3页码:175-187
英文摘要

Fifty years of overexploitation have disturbed most forests within Sahelian areas. Exotic fast growing trees (i.e., Australian Acacia species) have subsequently been introduced for soil improvement and fuelwood production purposes. Additionally, rhizobial or mycorrhizal symbioses have sometimes been favored by means of controlled inoculations to increase the performance of these exotic trees in such arid and semiarid zones. Large-scale anthropogenic introduction of exotic plants could also threaten the native biodiversity and ecosystem resilience. We carried out an experimental reforestation in Burkina Faso in order to study the effects of Acacia holosericea mycorrhizal inoculation on the soil nutrient content, microbial soil functionalities and mycorrhizal soil potential. Treatments consisted of uninoculated A. holosericea, preplanting fertilizer application and arbuscular mycorrhizal inoculation with Glomus intraradices. Our results showed that (i) arbuscular mycorrhizal (AM) inoculation and prefertilizer application significantly improved A. holosericea growth after 4 years of plantation and (ii) the introduction of A. holosericea trees significantly modified soil microbial functions. The results clearly showed that the use of exotic tree legume species should be directly responsible for important changes in soil microbiota with great disturbances in essential functions driven by microbial communities (e.g., catabolic diversity and C cycling, phosphatase activity and P availability). They also highlighted the importance of AM symbiosis in the functioning of soils and forest plantation performances. The AM effect on soil functions was significantly correlated with the enhanced mycorrhizal soil potential recorded in the AM inoculation treatment.


英文关键词Arbuscular mycorrhizal symbiosis Functional diversity Mycorrhizal soil potential Acacia holosericea Glomus intraradices Soil microbial communities Exotic tree species
类型Article
语种英语
国家Burkina Faso ; France ; Morocco ; Senegal
收录类别SCI-E
WOS记录号WOS:000301586200002
WOS关键词CATABOLIC DIVERSITY ; EXTERNAL HYPHAE ; AUSTRALIAN ACACIA ; ORGANIC-CARBON ; PLANT-GROWTH ; LAND-USE ; COMMUNITIES ; BIOMASS ; INOCULATION ; FUNGI
WOS类目Mycology
WOS研究方向Mycology
来源机构French National Research Institute for Sustainable Development
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/174122
作者单位1.Inst Environm & Rech Agr INERA, Lab Sol Eau Plante SEP, Ouagadougou, Burkina Faso;
2.Univ Lyon 1, CNRS, UMR5558, Lab Biometrie & Biol Evolut, F-69622 Villeurbanne, France;
3.Ctr Cooperat Int Rech Agronom Dev CIRAD, UMR CIRAD INRA IRD AGRO M UM2 113, LSTM, Montpellier, France;
4.IRD, UMR CIRAD INRA IRD AGRO M UM2 113, LSTM, Montpellier, France;
5.Univ Cadi Ayyad, Fac Sci Semlalia, Lab Ecol & Environm, Unite Associee CNRST,URAC 32, Marrakech, Morocco;
6.Ctr Rech Bel Air, Lab Commun Microbiol IRD ISRA UCAD, IRD, Dakar, Senegal
推荐引用方式
GB/T 7714
Bilgo, Ablasse,Sangare, Sheikh K.,Thioulouse, Jean,et al. Response of native soil microbial functions to the controlled mycorrhization of an exotic tree legume, Acacia holosericea in a Sahelian ecosystem[J]. French National Research Institute for Sustainable Development,2012,22(3):175-187.
APA Bilgo, Ablasse.,Sangare, Sheikh K..,Thioulouse, Jean.,Prin, Yves.,Hien, Victor.,...&Duponnois, Robin.(2012).Response of native soil microbial functions to the controlled mycorrhization of an exotic tree legume, Acacia holosericea in a Sahelian ecosystem.MYCORRHIZA,22(3),175-187.
MLA Bilgo, Ablasse,et al."Response of native soil microbial functions to the controlled mycorrhization of an exotic tree legume, Acacia holosericea in a Sahelian ecosystem".MYCORRHIZA 22.3(2012):175-187.
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