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Article Dans Une Revue Annales de la Société Entomologique de France Année : 2015

The bee fauna of large parks in downtown Paris, France

Résumé

In recent years, a growing number of studies have focused on the potential interest of urban green areas for supporting biodiversity. Private gardens, urban parks or green roofs may support relatively high densities of diverse wild bees. Knowledge is lacking regarding bee assemblages in Paris, the French capital, and one of the most densely populated part of France. In this context, we here provide a first assessment of the taxonomic and functional composition of bee assemblages in three urban parks in downtown Paris. Bees were sampled with a set of three coloured pan traps per park. Fifteen 24-hour sessions were performed from April to July 2011. We captured 425 specimens from 44 species representing five families and 11 genera. The assemblage was dominated by Halictidae (15 species representing 70.1% of total abundance), especially the eusocial species Lasioglossum morio that made 25.2% of total abundance. From a functional point of view, there were only two species of parasitic bees that made 1.2% of total abundance. Most non-parasitic species were polylectic and below-ground nesting. This study highlights the importance of preserving and managing urban parks and other green areas to promote the conservation of wild bees and ultimately the functionality of pollination service in urban ecosystems.
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hal-01444849 , version 1 (24-01-2017)

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Benoît Geslin, Violette Le Féon, Michael Kuhlmann, Bernard E. Vaissiere, Isabelle Dajoz. The bee fauna of large parks in downtown Paris, France. Annales de la Société Entomologique de France, 2015, 51 (5-6), pp.487--493. ⟨10.1080/00379271.2016.1146632⟩. ⟨hal-01444849⟩
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