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18.07.2017 | Original Paper | Ausgabe 14/2017

Biodiversity and Conservation 14/2017

Lifting the curtain on the freshwater mussel diversity of the Italian Peninsula and Croatian Adriatic coast

Zeitschrift:
Biodiversity and Conservation > Ausgabe 14/2017
Autoren:
Elsa Froufe, Manuel Lopes-Lima, Nicoletta Riccardi, Serena Zaccara, Isabella Vanetti, Jasna Lajtner, Amílcar Teixeira, Simone Varandas, Vincent Prié, Alexandra Zieritz, Ronaldo Sousa, Arthur E. Bogan
Wichtige Hinweise
Communicated by Robert Cowie.

Electronic supplementary material

The online version of this article (doi:10.​1007/​s10531-017-1403-z) contains supplementary material, which is available to authorized users.
This article belongs to the Topical Collection: Coastal and marine biodiversity.

Abstract

Freshwater mussels of the order Unionida have been dramatically declining globally. Despite their ecological importance, conservation of these animals has been hindered by unresolved taxonomy and a lack of data on the distribution and status of populations, especially in southern Europe. Although the Italian Peninsula has been noted as a centre of endemism and one of the major refugia of the glacial ages for several taxa, few studies have been performed on the genetic diversity of Unionida. Most importantly, the taxonomic status of several freshwater mussel populations of the Italian Peninsula is still unresolved. Here we present the first comprehensive dataset for the Unionida of the region spanning Italy and the coastal Croatian region (west of the Dinaric Alps). In total, 191 specimens were collected (85 Anodonta, 64 Unio, 17 Microcondylaea bonellii and 25 Sinanodonta woodiana) from 34 sites across the Italian Peninsula and coastal Croatian river basins for molecular identification (COI, 16S and 28S). Genetic analyses were performed to understand major phylogenetic and phylogeographic patterns. Seven species were detected: three Anodonta species (A. anatina, A. cygnea and A. exulcerata), two Unio species (U. mancus and U. elongatulus), Microcondylaea bonellii, and the invasive Sinanodonta woodiana. The presence of three endemic species (A. exulcerata, U. elongatulus and M. bonellii) confirms the importance of the region as a centre of endemism for freshwater mussels. The Apennine Mountains act as an important biogeographic barrier.

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Zusatzmaterial
Supplementary material 1 (PDF 287 kb)
10531_2017_1403_MOESM1_ESM.pdf
Supplementary material 2 (PDF 19 kb)
10531_2017_1403_MOESM2_ESM.pdf
Supplementary material 3 (PDF 30 kb)
10531_2017_1403_MOESM3_ESM.pdf
Supplementary material 4 (PDF 9 kb)
10531_2017_1403_MOESM4_ESM.pdf
Supplementary material 5 (PDF 152 kb)
10531_2017_1403_MOESM5_ESM.pdf
Literatur
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