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Master Thesis

Intérêts et impacts des couverts à base de messicoles sur la microfaune dans le Nord-Pas-de-Calais

Abstract : In the context of the 2012-2017 National Plan of Action for the messicole plants, the Regional Hunting Federation of Nord – Pas-de-Calais went into partnership with the National Botanic Conservatory of Bailleul to explore the possibility of using hunting fallows as a tool for the conservation of these harvest-dependent plant species. Messicole-based plant cover (cereal-messicole mixtures) were seeded in several parcels and the first scientific studies were made in 2014. The purpose of the study reported here was to consider the interests and impacts of these plant cover on the local microfauna. Window traps, pitfall traps and transects for Lepidoptera were used to sample the microfauna at each site while quadrats were used to sample the vegetation. Results show that the highest diversity of arthropods occurs in the parcels characterized by a sparse and plant-species rich vegetation. Increasing the global number of plant species appears to increase also the number of arthropods that can be eaten by the Grey Partridge chicks (Perdix perdrix), while increasing the number offlowering plant species appears to increase the number of pollinators, notably Lasioglossum spp. However, the methods used in this study provide only an overview of global trends. The entomological value of the plant coverwill depend on many more elements, including its cropping history and its immediate surroundings.
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Master Thesis
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Submitted on : Tuesday, December 16, 2014 - 2:04:28 PM
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Mathilde Dusart. Intérêts et impacts des couverts à base de messicoles sur la microfaune dans le Nord-Pas-de-Calais. Sciences agricoles. 2014. ⟨dumas-01095876⟩

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