Impact of climate change on leaf litter decomposition in french Mediterranean Region Mathieu...
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Transcript of Impact of climate change on leaf litter decomposition in french Mediterranean Region Mathieu...
Impact of climate change on leaf litter decomposition in french Mediterranean Region
Mathieu SANTONJA
Institut Méditerranéen de Biodiversité et d’Ecologie
Equipe 5.1 - Diversité et Fonctionnement : des Molécules aux Ecosystèmes
PhD Supervisors : Virginie BALDY and Catherine FERNANDEZ
First Gozo International BioDivMex Workshop – 8.14 September 2012, MaltaMediterranean Biodiversity: Conservation and Sustainable Development
Decomposition Process
Organic matter turnoverand nutrient release
(Lavelle and Spain 2001 ; Hattenschwiler et al. 2005 ; Berg and Laskowski 2006)
Plants (Litter) Soil biodiversity
Environmental factors
Scientist context
« Forest » Ecosystem « Shrubland » Ecosystem Saint Michel l’Observatoire – O3HP Marseille – CLIMED
Quercus pubescens Acer monspessulanum
Cotinus coggygria + Pinus halepensis
Quercus coccifera Cistus albidus
Rosmarinus officinalis Ulex parviflorus
Study sites
Impact of leaf litter mixtures and rainfall decrease on :
Taxonomic and functional diversities of soil organisms
Loss mass, chemical quality of leaves and nutrient release
« Forest » Ecosystem
« Shrubland » Ecosystem
2 experiments of leaf litter decomposition in situ