HAL Id: hal-01269063
https://hal.archives-ouvertes.fr/hal-01269063
Submitted on 2 Jun 2020
HAL is a multi-disciplinary open access archive for the deposit and dissemination of sci- entific research documents, whether they are pub- lished or not. The documents may come from teaching and research institutions in France or abroad, or from public or private research centers.
L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignement et de recherche français ou étrangers, des laboratoires publics ou privés.
Linking litter quality to microbial community structure and functioning in an agricultural soil
Marie Sauvadet, Mathieu Chauvat, Daniel Cluzeau, Pierre-Alain Maron, Isabelle Bertrand
To cite this version:
Marie Sauvadet, Mathieu Chauvat, Daniel Cluzeau, Pierre-Alain Maron, Isabelle Bertrand. Linking litter quality to microbial community structure and functioning in an agricultural soil. 1. Global Soil Biodiversity Initiative Conference (GSBI), Institut National de la Recherche Agronomique (INRA).
FRA., Dec 2014, Dijon, France. 703 p. �hal-01269063�
THE FIRST GLOBAL
SOIL BIODIVERSITY CONFERENCE
December 2-5, 2014, Dijon, France
Book of Abstracts
© Crédit photo Mairie de Dijon "
PROGRAM
AND ABSTRACTS
THE FIRST GLOBAL
SOIL BIODIVERSITY CONFERENCE
December 2-5, 2014 Dijon – France
1
>3@
/LQNLQJOLWWHUTXDOLW\WRPLFURELDOFRPPXQLW\VWUXFWXUHDQGIXQFWLRQLQJLQDQDJULFXOWXUDO VRLO
06DXYDGHW0&KDXYDW'&OX]HDX3$0DURQ,%HUWUDQG
(FRGLY($8QLYHUVLWpGH5RXHQ)UDQFH
805(FRELR&1565HQQHV)UDQFH
805$JURpFRORJLH,15$'LMRQ)UDQFH
805)$5(,1UD5HLPV)UDQFH
$QWKURSRJHQLF SUHVVXUHV RQ DJULFXOWXUDO VRLOV DUH NQRZQ WR DOWHU WKHLU ELRGLYHUVLW\ ZKLFK PD\
DIIHFWWKHFDSDFLW\RIHFRV\VWHPVWRGHOLYHUIXQFWLRQVDQGVHUYLFHVDFFRUGLQJWRWKHLQVXUDQFH K\SRWKHVLVRQGLYHUVLW\±IXQFWLRQUHODWLRQVKLS&URSSLQJV\VWHPVLVIXHOOLQJEHORZJURXQGELRWD WKURXJK WKH TXDOLW\ RI OLWWHU VXSSOLHG ZKLFK YDULHV LQ TXDOLW\ IURP \HDU WR \HDU 7KHUHIRUH ZH K\SRWKHVL]HGWKDWVRLOELRWDVWUXFWXUHDQGIXQFWLRQLQJVWURQJO\UHVSRQGWRFURSUHVLGXHVTXDOLW\
$HULDO DQG XQGHUJURXQG SDUWV RI PDL]H SODQWV ZHUH XVHG DV ODELOH DQG UHFDOFLWUDQW OLWWHU UHVSHFWLYHO\ $ G\QDPLF H[SHULPHQW ZDV SHUIRUPHG XVLQJ VRLO FROXPQV ILOOHG ZLWK D VLOW\ ORDP DJULFXOWXUDO VRLO (VWUpHV0RQV 1RUWKHUQ )UDQFH LQ ZKLFK ZH LQFRUSRUDWHG LQ WKH FP OD\HU HLWKHU PDL]H OHDYHV RU PDL]H URRWV DQG D FRQWURO WUHDWPHQW ZLWKRXW OLWWHU :H PHDVXUHG UHJXODUO\VRLOUHVSLUDWLRQOLWWHUTXDOLW\HQ]\PHDFWLYLWLHVPLFURELDOELRPDVVEDFWHULDODQGIXQJDO FRPPXQLW\VWUXFWXUHXVLQJ6DQG6S\URVHTXHQFLQJGXULQJWKHLQFXEDWLRQSHULRG
/LWWHUTXDOLW\VWURQJO\LQIOXHQFHGGHJUDGDWLRQUDWHVRIOLWWHUVROXEOHIUDFWLRQDQGSRO\VDFFKDULGHV OHDGLQJ WR IDVWHU & PLQHUDOL]DWLRQ RI PDL]H OHDYHV FRPSDUHG WR URRWV (Q]\PH HIILFLHQF\ ZDV KLJKHU LQ WKH UHFDOFLWUDQW OLWWHU GHPRQVWUDWLQJ GLIIHUHQW PLFURELDO VWUDWHJLHV $IWHU GD\V RI GHFRPSRVLWLRQ OHDYHV VWLPXODWHG WKH UHODWLYH SURSRUWLRQ RI 3URWHREDFWHULD DQG %DFWHURLGHWHV FODVVLILHG DV FRSLRWURSKLF EDFWHULD E\ )LHUHU HW DO 6LPLODUO\ LQ WKH IXQJDO FRPPXQLW\
7UHPHOORP\FHWHV DQG 6RUGDULRP\FHWHV H[KLELWHG WKH PRVW FRSLRWURSKLF EHKDYLRU *HQHUDO IXQFWLRQVVXFKDVVROXEOHFRPSRXQGVPLQHUDOL]DWLRQUDWHVZHUHEHWWHUFRUUHODWHGZLWKPLFURELDO ELRPDVV 5ð WKDQ ZLWK FRPPXQLW\ VWUXFWXUH 1HYHUWKHOHVV PRUH VSHFLILF IXQFWLRQV VXFK DVFRPSOH[&IRUPVGHJUDGDWLRQZHUHUHODWHGWREDFWHULDOFRPPXQLW\VWUXFWXUH:HFRQFOXGHG WKDW WKH GHFRPSRVLWLRQ RI FRPSOH[ & IRUPV KDYLQJ D KLJK HQHUJHWLF FRVW IRUPLFURRUJDQLVPV VWURQJO\ LPSDFWV WKH FRPPXQLW\ VWUXFWXUH 7KXV HFRV\VWHP IXQFWLRQLQJ GHSHQGV RQ ELRWD FRPPXQLW\VWUXFWXUHOLQNHGWRWKHUHVRXUFHVSURYLGHGWRWKHP
.H\ZRUGV/LWWHUTXDOLW\0LFURELDOFRPPXQLWLHV(Q]\PDWLFDFWLYLWLHVS\URVHTXHQFLQJ
246
