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Impact of climate change on leaf litter decomposition in french Mediterranean Region Mathieu SANTONJA Institut Méditerranéen de Biodiversité et d’Ecologie.

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Presentation on theme: "Impact of climate change on leaf litter decomposition in french Mediterranean Region Mathieu SANTONJA Institut Méditerranéen de Biodiversité et d’Ecologie."— Presentation transcript:

1 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, Malta Mediterranean Biodiversity: Conservation and Sustainable Development ‏

2 Decomposition Process Organic matter turnover and nutrient release (Lavelle and Spain 2001 ; Hattenschwiler et al. 2005 ; Berg and Laskowski 2006) Plants (Litter)Soil biodiversity Environmental factors Scientist context

3 « 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

4 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


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