Impoundments facilitate a biological invasion: Dispersal and establishment of non-native armoured catfish Loricariichthys platymetopon (Isbrückler & Nijssen, 1979) in a neotropical river.

Casimiro, A.C.R., Garcia, D.A.Z., Costa, A.D.A., Britton, J.R. and Orsi, M.L., 2016. Impoundments facilitate a biological invasion: Dispersal and establishment of non-native armoured catfish Loricariichthys platymetopon (Isbrückler & Nijssen, 1979) in a neotropical river. Limnologica - Ecology and Management of Inland Waters, 62, 34 - 37.

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DOI: 10.1016/j.limno.2016.11.001

Abstract

Where dam construction eliminates natural barriers to fish movement between previously disconnected catchments then this presents an opportunity for the movement of species between previously discrete assemblages. Here, the movement of a non-native armoured catfish, Loricariichthys platymetopon, is detailed from its natural range in the lower Paraná River basin, Brazil, into its invasive range in the upper basin following construction of the Itaipu Dam. Its upstream dispersal into a major tributary, the Paranapanema River, is outlined, with focus on its establishment within hydroelectric dams. This case study thus provides further evidence of how river regulation can increase opportunities for biological invasions.

Item Type:Article
ISSN:0075-9511
Uncontrolled Keywords:Hydroelectric dam; Armoured catfish; Environmental; Anthropocene
Subjects:UNSPECIFIED
Group:Faculty of Science & Technology
ID Code:26375
Deposited By: Unnamed user with email symplectic@symplectic
Deposited On:18 Jan 2017 14:03
Last Modified:18 Jan 2017 14:03

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