Seasonal variation in the invertebrate community and diet of a top fish predator in a thermally stable spring Agnes-Katharina KreilingEoin J. O’GormanBjarni K. Kristjánsson Primary Research Paper Open access 18 September 2020 Pages: 531 - 545
Genetic population structure of the monogenean parasite Gyrodactylus thymalli and its host European grayling (Thymallus thymallus) in a large Norwegian lake Ruben Alexander PettersenClaudia JungeLeif Asbjørn Vøllestad Primary Research Paper Open access 15 October 2020 Pages: 547 - 561
Combining conservation priorities and vulnerability of invasion in nature reserves using geospatial tools can optimize management efforts M. E. BravoS. M. FioriM. E. Carbone Primary Research Paper 28 October 2020 Pages: 563 - 579
Influence of competition and predation on survival of the hydrilla tip mining midge and its success as a potential augmentative biological control agent of hydrilla Courtney StachowiakJulie BaniszewskiEmma N. I. Weeks Primary Research Paper Open access 23 November 2020 Pages: 581 - 591
Seasonal and El Niño Southern Oscillation-driven variations in isotopic and elemental patterns among estuarine primary producers: implications for ecological studies Marianna LanariBianca PossamaiAlexandre Miranda Garcia Primary Research Paper 25 November 2020 Pages: 593 - 611
Effects of phosphorus control on primary productivity and deep-water oxygenation: insights from Lake Lugano (Switzerland and Italy) Fabio LeporiCamilla Capelli Primary Research Paper Open access 06 December 2020 Pages: 613 - 629
Staining of subfossil chironomid head capsules: a method for improving the extraction process from lake sediments and peat Yanmin CaoZijie ZhengAnqi Zhou Primary Research Paper 02 January 2021 Pages: 631 - 640
Nest-site selection in a fish species with paternal care Theo C. M. BakkerBeat Mundwiler Primary Research Paper Open access 04 December 2020 Pages: 641 - 650
Impacts of inter-basin water transfer on the water quality of receiving reservoirs in a tropical semi-arid region José Etham de Lucena BarbosaJuliana dos Santos SeverianoJoseline Molozzi Primary Research Paper 04 January 2021 Pages: 651 - 673
The effects of food quantity, light, and temperature on clearance rates in freshwater bivalves (Cyrenidae and Unionidae) Simon PouilAmber HillsTeresa J. Mathews Primary Research Paper 02 January 2021 Pages: 675 - 689
Impacts of different monoculture types on stream benthic macroinvertebrate and fish communities Pedro Sartori ManoelVirginia Sanches Uieda Primary Research Paper 14 January 2021 Pages: 691 - 703
Charrs of the genus Salvelinus (Salmonidae): hybridization, phylogeny and evolution Alexander G. OsinovAlexander A. VolkovNikolai S. Mugue Primary Research Paper 03 January 2021 Pages: 705 - 726
Trophic niches of three sympatric invasive crayfish of EU concern Lukáš VeselýTimo J. RuokonenAntonín Kouba Primary Research Paper 04 January 2021 Pages: 727 - 737
Shorter, warmer winters may inhibit production of ephyrae in a population of the moon jellyfish Aurelia aurita Alexandra LoveridgeCathy H. LucasKylie A. Pitt Primary Research Paper Open access 14 December 2020 Pages: 739 - 749
Correction to: The intertidal mudflats of Barr Al Hikman, Sultanate of Oman, as feeding, reproduction and nursery grounds for brachyuran crabs Roeland A. BomJan A. van GilsEelke O. Folmer Correction 22 December 2020 Pages: 751 - 752