Invasive Asian clam distribution pattern reveals minimal constraints to downstream dispersal and imperceptible ecological impacts

This study was supported by the European Regional Development Fund (EDRF), through the Operational Competitiveness Programme (COMPETE), under the scope of the project PTDC/AAC-AMB/113515/2009. CESAM (UID/AMB/50017) is supported by the Portuguese Foundation for Science and Technology (FCT) through national funds, and co-funded by the FEDER, within the PT2020 Partnership Agreement and COMPETE2020. Joana Luisa Pereira and Tânia Vidal are in receipt of a research grant from FCT (SFRH/BPD/101971/2014 and SFRH/BPD/94562/2013, respectively) and Bruno Castro is currently a researcher at CBMA, which is a research unit (UID/BIA/04050/2013) funded by national funds through FCT and by the ERDF through COMPETE2020 (POCI-01-0145-FEDER-007569). We thank Dr Kieran Monaghan for the linguistic polishing of the manuscript.