PeerJ Day
You can access the papers for free here:
Vogt, S., de Villiers, F.A., Ihlow, F., Rödder, D. & Measey, J. (2017) Competition and feeding ecology in two sympatric Xenopus species (Anura: Pipidae). PeerJ 5:e3130; DOI 10.7717/peerj.3130 pdf
and
Nunes, A., Zengeya, T.A., Hoffman, A.C., Measey, J. & Weyl, O.L.F. (2017) Distribution and establishment of the alien Australian redclaw crayfish, Cherax quadricarinatus, in South Africa and Swaziland. PeerJ 5:e3135; DOI 10.7717/peerj.3135pdf
Lead author Solveig Vogt visited the MeaseyLab in 2014 when she spent 3 months sampling the frogs with MSc student Andre de Villiers. Other authors, Dennis and Flora helped Solveig finish off the work when she got back to Germany.