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Short-Term Changes in Humus Fungal Biomass, Mesofauna and CO<sub>2</sub> Efflux Following Liming in a Microcosm Experiment | OMICS International | Abstract
ISSN: 2157-7617

Journal of Earth Science & Climatic Change
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Research Article

Short-Term Changes in Humus Fungal Biomass, Mesofauna and CO2 Efflux Following Liming in a Microcosm Experiment

Rizvi SHH1*, Gauquelin T1, Gers C2 and Baldy V1
1Mediterranean Institute of Biodiversity and Ecology Marine and Continental, UMR CNRS 7263, IRD 237, Aix Marseille University, Downtown St Charles, Case 4, Build Natural Sciences, 3 Place Victor Hugo, 13331 Marseille Cedex 3, France
2Laboratory of Functional Ecology, UMR 5245 CNRS INPT, University Paul Sabatier, Bldg IVR3 - 118 route de Narbonne, 31062 Toulouse Cedex 4, France
Corresponding Author : Rizvi SHH
Institute of Mediterranean Biodiversity and Ecology marine and continental
UMR CNRS 7263, IRD 237, Aix Marseille University
Downtown St Charles, Case 4, Build Natural Sciences
3 Place Victor Hugo, 13331 Marseille Cedex 3, France
Tel: +923009694855
E-mail: [email protected]
Received June 06, 2014; Accepted July 10, 2014; Published July 20, 2014
Citation: Rizvi SHH, Gauquelin T, Gers C, Baldy V (2014) Short-Term Changes in Humus Fungal Biomass, Mesofauna and CO2 Efflux Following Liming in a Microcosm Experiment. J Earth Sci Clim Change 5:208. doi: 10.4172/2157-7617.1000208
Copyright: © 2014 Rizvi SHH, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


Our objective was to test how liming influence fungal biomass, abundance and diversity of organisms belonging to mesofauna and soil respiration associated to soil during a microcosms experiment. Soil was collected in the Vosges Mountains (North-eastern France) on acidified forested catchments lying on sandstone and granite of Vosges Mountain. After liming, we followed CO2 by using LiCor 6400, fungal biomass by quantifying soil ergosterol content during 8 weeks. At the end of the experiment, we extracted mesofauna by using Berlese method. Soil pH, rain, temperature and rate of liming were similar to natural conditions. Liming decreased the abundance of mesofauna including collembola on sansdstone substrate, while on granite, collembola abundance decreased but total mesofauna did not show any significant differences between acid control and limed samples. The ergosterol soil content showed immediate increasing tendencies on both geological substrates and followed by decreasing tendencies on both geological substrates. The CO2 efflux was significantly increased by liming on sandstone and granite substrates, indicating an increase of soil respiration in limed samples. However, this result is depending on the geological substrate.


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