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Soil biodiversity and ecosystem services in various agroecosystems of Guadeloupe (French West Indies)

Abstract : The soil is a complex living environment hosting a huge biodiversity. Soil organisms play a major role in the maintenance of ecosystem services. These ecosystem services (recycling of soil organic matter, soil maintenance, food supply, disease and climate regulations), are the benefits that human get from ecosystems and especially from biodiversity. Agriculture is vital for human activity, because it is an irreplaceable source of food. However, intensive agriculture has a negative impact on some ecosystem services. Thereby, agro-ecological practices are recommended for preservation and the restoration of biodiversity in the soil. A study is being carried out on the territory of Guadeloupe. The aims of this study are the following: i) To measure the impact of agricultural practices (intensive versus agro-ecological) on soil biodiversity and ecosystem keys services in market-gardening agrosystems of Guadeloupe. (ii) To test the impact of several agro-ecological practices based on the restoration of soil biodiversity on soil ecosystem services. These researches will allow us to highlight the existing interactions between soil biodiversity and environmental performance in a tropical environment. We analyzed 49 plots, representing the regional diversity of market-gardening in Guadeloupe (tomatoes, cucumbers, watermelons…). For each plot, a survey was conducted and allowed us to highlight the agricultural practices. At the end of these investigations, a principal component analysis and a hierarchical ascending classification was effected to highlight a typology of systems of cultures throughout the territory. This typology allowed a better understanding of the diversity of production systems (tillage, phytosanitary treatment, organic input, combined crops). This analysis highlighted a predominance of market-gardening systems in Grande-Terre (west part of Guadeloupe); these systems are developed under vertisols. In addition, a more in-depth study on macrofauna, chemical and microbiological analyses are in progress 5 agroecological plots and 5 conventional plots.
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Contributor : Victor Vaillant <>
Submitted on : Saturday, May 1, 2021 - 2:16:28 AM
Last modification on : Thursday, June 17, 2021 - 3:06:16 AM


  • HAL Id : hal-03214209, version 1



Coraline Moulin, Gladys Loranger-Merciris, Victor Vaillant. Soil biodiversity and ecosystem services in various agroecosystems of Guadeloupe (French West Indies). 2. Caribaea Initiative Research and Conservation Workshop, May 2017, St Kitts, Saint Kitts and Nevis. ⟨hal-03214209⟩



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