O. Ravera. Richard A. Vollenweider

1-2

S. Arisci, T. Amoriello, R. Mosello, A. Costantini and M. Badiani. Discriminating among multiple components affecting bulk atmospheric deposition chemistry: a multivariate approach using data from a forest plot in Calabria (Southern Italy)

3-14

O. Ravera, A. Frediani and N. Riccardi. Seasonal variations in population dynamics and biomass of two Unio pictorum mancus (Mollusca, Unionidae) populations from two lakes of different trophic state

15-27

O. Ravera, G.M. Beone, P.R. Trincherini and N. Riccardi. Seasonal variations in metal content of two Unio pictorum mancus (Mollusca, Unionidae) populations from two lakes of different trophic state

28-39

T. Kumke, M. Ksenofontova, L. Pestryakova, L. Nazarova and H.W. Hubberten.  Limnological characteristics of lakes in the lowlands of Central Yakutia, Russia

40-53

G.B. Fritz, R.O. Schill, M. Pfannkuchen and F. Brümmer. The freshwater jellyfish Craspedacusta sowerbii Lankester, 1880 (Limnomedusa: Olindiidae) in Germany, with a brief note on its nomenclature.

54-59

J. Vandekerkhove G. Rossetti and F. Mezquita. Pyriproxyfen, a juvenoid hormone analog, does not induce male production in parthenogenetic lineages of Eucypris virens (Crustacea: Ostracoda)

60-63

N. Riccardi and G. Rossetti. Eudiaptomus gracilis in Italy: how, where and why

64-69