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RP2E INRA Université de Lorraine

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An integrative taxonomic approach to assess the status of Corsican bumblebees: Implications for conservation

Animal Conservation, 18 (3), pp. 236-248.

Lecocq, T., Brasero, N., De meulemeester, T., Michez, D., Dellicour, S., Lhomme, P., De jonghe, R., Valterová, I., Urbanová, K., Rasmont, P.

2015

Many islands are biodiversity hotspots that host numerous endemic species. Unfortunately, insular faunas suffer from high rates of extinction and endangerment, and numerous conservation plans have been developed for their protection. These conservation plans are often assessed on the basis of occurrence and proportion of endemic taxa. However, delimitations of species and subspecies are still confusing and controversial. From a practical point of view, these disagreements make it difficult for government agencies and non-governmental organizations to initiate conservation measures. The present study develops a pragmatic integrative taxonomic approach on the basis of molecular and eco-chemical criteria. This
method is applied to the insular bumblebee fauna of Corsica. For each taxon, the differentiation of Corsican taxa from the nearest related allopatric parents is characterized using genetic markers and the chemical composition of cephalic labial gland secretions. Phylogenetic analyses, Bayesian implementation of the
general mixed Yule-coalescent approach, and comparative chemical studies show that two Corsican taxa can be considered as endemic species while five others can be considered as subspecies. Regardless of the taxonomic assessment the method facilitates diagnosis of evolutionarily significant units and rank taxa according to their distinctiveness. International Union for Conservation of Nature red lists are
reconsidered according to the new taxonomic hypothesis for Corsican bumblebees. Modifications in species assessments are proposed. The present approach provides useful data sets for policy-makers and conservation organizations.

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2018

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  • Humusica: Soil biodiversity and global change

    Bulletin of geography: Physical Geography Series, 14 (1), pp. 15-36.

    Zanella, A., Ascher-jenull, J., Ponge, J.F., Bolzonella, C., Banas, D., De nobili, M., Fusaro, S., Sella, L., Giannini, R.

2017

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2016

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2015

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2014

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2013

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