Riisgaard, H U, Jaspers, C, Serre, S & Lundgreen, K 2012, ' Occurrence, inter-annual variability and zooplankton-predation impact of the invasive ctenophore Mnemiopsis leidyi and the native jellyfish Aurelia aurita in Limfjorden (Denmark) in 2010 and 2011 ', BioInvasions Records, vol. 1, no. 3 . < http://www.reabic.net/journals/bir/ > Riisgård, H U, Jaspers, C, Serre, S & Lundgreen, K 2012, ' Occurrence, inter-annual variability and zooplankton-predation impact of the invasive ctenophore Mnemiopsis leidyi and the native jellyfish Aurelia aurita in Limfjorden (Denmark) in 2010 and 2011 ', BioInvasions Records, vol. 1, no. 3, pp. 145-159 . https://doi.org/10.3391/bir.2012.1.3.01 BioInvasions Records, 1 (3). pp. 145-159.