A matter of suborder: are Zygoptera and Anisoptera larvae influenced by riparian vegetation in Neotropical Savanna streams? Larissa F. R. SilvaDiego M. P. CastroMarcel G. Hermes Primary Research Paper 23 June 2021 Pages: 4433 - 4443
Are toxic effects of alien species affected by their prey? Evaluation by bioassay with captive-bred toad embryos and a vulnerable predator Hisanori OkamiyaMasataka TagamiOsamu Kishida Primary Research Paper 15 July 2021 Pages: 4445 - 4452
Long-term trends in CPUE and relative weight of six fish species in the Wabash River, USA, prior to and following silver carp invasion Robert ShieldsMark PyronLuke Etchison Primary Research Paper 15 July 2021 Pages: 4453 - 4465
Effects of temperature and a manipulative parasite on the swimming behaviour of Gammarus pulex in flowing water Hadrien FantonE. FranquetN. Kaldonski Primary Research Paper 26 July 2021 Pages: 4467 - 4476
Annual cycle dampening and decrease in predictability of water level fluctuations in a dam-regulated Neotropical floodplain Jaques Everton Zanon Primary Research Paper 20 July 2021 Pages: 4477 - 4491
Fish assemblages and water quality in pampean streams (Argentina) along an urbanization gradient Juan Martín Paredes del PuertoAriel Hernán ParacampoDarío César Colautti Primary Research Paper 14 July 2021 Pages: 4493 - 4510
Bivalve Mya arenaria L. as a model object in demecology: dynamics of bed structure, mortality and growth in the Kandalaksha Bay of the White Sea Alexandra V. GerasimovaNikolay V. MaximovichDiana S. Malova Primary Research Paper 21 July 2021 Pages: 4511 - 4533
High-discharge disturbance does not alter the seasonal trajectory of nutrient uptake in a montane stream Jared A. BalikDerek C. WestBrad W. Taylor Primary Research Paper 17 July 2021 Pages: 4535 - 4550
Use of artificial-substrate samplers to identify relations between periphytic diatom community composition and hydro-limnological conditions in shallow lakes of Old Crow Flats, Yukon Territory (Canada) Wathiq J. MohammedLauren A. MacDonaldRoland I. Hall Primary Research Paper 22 July 2021 Pages: 4551 - 4567
Macrophyte meadows mediate the response of the sediment microbial community to ultraviolet radiation Eric PucheCarmen RojoMaría A. Rodrigo Primary Research Paper Open access 20 July 2021 Pages: 4569 - 4583
Effects of habitat complexity on giant water bug (Belostoma) functional response to rams-horn snail prey (Helisoma) Joe C. GunnSarah J. ClementsThomas L. Anderson Primary Research Paper 03 August 2021 Pages: 4585 - 4597
Genetic and morphological differentiation in the green swordtail fish, Xiphophorus hellerii: the influence of geographic and environmental factors Jesús Antonio Rocamontes-MoralesCarla Gutiérrez-RodríguezPablo C. Hernandez-Romero Primary Research Paper 24 July 2021 Pages: 4599 - 4622
Allelopathic interactions between phytoplankton species alter toxin production, oxidative response, and nitrogen fixation Mathias Ahii ChiaMaria do Carm Bittencourt-Oliveira Primary Research Paper 21 July 2021 Pages: 4623 - 4635
Temperature and prey morphology influence attack rate and handling time in a predator–prey interaction Miles L. RobertsonEdd Hammill Primary Research Paper 10 August 2021 Pages: 4637 - 4646
Allelopathic interaction among rocky intertidal invertebrates: sponge Cinachyrella cf. cavernosa and Zooxanthellate zoanthids Zoanthus sansibaricus Anshika SinghNarsinh L. Thakur Primary Research Paper 22 July 2021 Pages: 4647 - 4659
Invasion at the population level: a story of the freshwater snails Gyraulus parvus and G. laevis Erika LorencováLuboš BeranMichal Horsák Primary Research Paper 30 July 2021 Pages: 4661 - 4671