Influence of invasive Acer negundo leaf litter on benthic microbial abundance and activity in the littoral zone of a temperate river in LithuaniaAlina Krevš and Alė KučinskieneKnowl. Manag. Aquat. Ecosyst., 418 (2017) 26DOI: https://doi.org/10.1051/kmae/2017015