Non-indigenous invertebrates, fish and macrophytes in Lake Garda (Italy)

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Francesca CIUTTI *
Maria Elena BELTRAMI
Ivano CONFORTINI
Simone CIANFANELLI
Cristina CAPPELLETTI
(*) Corresponding Author:
Francesca CIUTTI | francesca.ciutti@iasma.it

Abstract

As observed in many countries, lakes are involved in an important process of colonization by non-indigenous species (NIS). Since 1725, 37 species of non-indigenous fish, invertebrates and macrophytes have been recorded in Lake Garda, the largest Italian lake. This phenomenon is particularly important for invertebrates and macrophytes, as their pathways of introduction are accidental. Recently among the 100 Worst Invasive Alien Species in Europe, the invertebrates Corbicula fluminea, Dikerogammarus villosus and Procambarus clarkii, and the macrophytes Lagarosiphon major, Elodea nuttallii and Elodea canadensis have been recorded in Lake Garda. In order to define the present status of non-indigenous species in Lake Garda, published and unpublished data were reviewed.

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