Cool winters versus mild winters: effects on spring plankton in Lake Peipsi, Reet Laugaste, Juta Haberman, Kätlin Blank
Release of available nitrogen from river-discharged dissolved organic matter by heterotrophic bacteria associated with the cyanobacterium Microcystis aeruginosa, Santa Purvina, Christian Béchemin, Maija Balode, Celine Verite, Christophe Arnaud, Serge Y. Maestrini
Influence of environmental factors on the distribution of caddisfly (Trichoptera) communities in medium-sized lowland streams in Latvia, Agnija Skuja, Voldemārs Spuņģis
Notes on the external morphology, ecology, and origin of Megalomys desmarestii (Sigmodontinae, Cricetidae, Rodentia), the extinct giant rat of Martinique Island, Lesser Antilles, Andrei Miljutin
The first finding of the Ponto-Caspian mysid shrimp Hemimysis anomala G. O. Sars (Mysidae) in the Estonian coastal sea, Jonne Kotta, Ilmar Kotta
