First occurrence of Cylindrospermopsin in the Azores (Lake São Brás, S. Miguel Island) Rita CordeiroJoana AzevedoVítor Gonçalves Rapid communication 15 April 2021 Pages: 269 - 275
Distribution patterns and niche segregation of three closely related Japanese ephemerid mayflies: a re-examination of each species’ habitat from “megadata” held in the “National Census on River Environments” Seiya OkamotoKoji Tojo Research paper 04 March 2021 Pages: 277 - 287
Litter decomposition of exotic and native plant species of agricultural importance in Amazonian streams Viviane Caetano FirminoLeandro Schlemmer BrasilLeandro Juen Research paper 27 March 2021 Pages: 289 - 297
Lipid and fatty acid composition of scavenging amphipods Ommatogammarus spp. from different depths of lake Baikal Svetlana N. PekkoevaViktor P. VoroninSvetlana A. Murzina Research paper 05 May 2021 Pages: 299 - 311
Benthic macroinvertebrates of tropical streams: functional and trophic diversity of the Lacantún River, Mexico Daniela Cortés-GuzmánJavier AlcocerKenneth W. Cummins Research paper 24 May 2021 Pages: 313 - 328
Long-term changes in morphological traits of Daphnia pulex in Lake Fukami-ike, Japan Yurie OtakeHajime OhtsukiTakehito Yoshida Research paper 26 May 2021 Pages: 329 - 336
Volcanic and environmental impacts on subfossil chironomids from Northern Patagonia (Argentina) over the last 700 years M. Noel SerraJulieta MassaferroGustavo Villarosa Research paper 01 July 2021 Pages: 337 - 346
Nematode fauna associated with freshwater microbialites in Bacalar Lake, Quintana Roo, Mexico Alberto de Jesús-NavarreteAlfredo Yanez-MontalvoAbel Vargas-Espósitos Research paper 12 July 2021 Pages: 347 - 355
Antibiotic resistance of fecal indicator bacteria from fishponds and nearby water sources in the Ayeyarwady Delta region of Myanmar Shane Htet KoAnil Kumar AnalHiroshi Sakai Asia/Oceania report 03 July 2021 Pages: 357 - 362
Application of environmental DNA metabarcoding in a lake with extensive algal blooms Qianqian WuMasayuki K. SakataToshifumi Minamoto Asia/Oceania report 14 July 2021 Pages: 363 - 370
