1. Centric diatoms (Bacillariophyta, Centrophyceae) in Karelian waterbodies

   • S. I. Genkal
   • T. A. Chekryzheva

   Aquatic Flora and Fauna 24 March 2011 Pages: 1 - 11

2. New and rare (for the Volga basin) members of the order Lecithoepitheliata (Turbellaria)

   • Ye. M. Korgina

   Aquatic Flora and Fauna 24 March 2011 Pages: 12 - 20

3. Morphology and ultrastructure of reproductive organs of Monocercus arionis (Sibold, 1850) Villot, 1982 (Cestoda: Cyclophyllidea)

   • Zh. V. Korneva
   • S. A. Kornienko
   • V. D. Gulyaev

   Biology, Morphology, and Systematics of Hydrobionts 24 March 2011 Pages: 21 - 27

4. Two new species of dorylaimids (Nematoda and Dorylaimida) from Lake Baikal

   • V. G. Gagarin
   • T. V. Naumova

   Biology, Morphology, and Systematics of Hydrobionts 24 March 2011 Pages: 28 - 33

5. Structure of hydrophilic vegetation from the littoral zone of the Middle Caspian Sea

   • M. I. Dzhalalova
   • A. I. Kuzmichev

   Higher Aquatic Plants 24 March 2011 Pages: 34 - 38

6. Kellicotia bostoniensis (Rousselet, 1908) (Rotifera: Brachionidae) in waterbodies of European Russia

   • S. M. Zhdanova
   • A. E. Dobrynin

   Zooplankton, Zoobenthos, and Zooperiphyton 24 March 2011 Pages: 39 - 46

7. The dynamics of abundance of Simocephalus vetulus (O.F. Müller, 1776) (Crustacea, Cladocera) under acyclic stepwise changes in temperature

   • V. B. Verbitsky
   • T. I. Verbitskaya

   Zooplankton, Zoobenthos, and Zooperiphyton 24 March 2011 Pages: 47 - 55

8. Under-ice drift of invertebrates in the piedmont part of Kedrovaya River (Primorskii Krai)

   • V. V. Bogatov
   • M. V. Astakhov

   Zooplankton, Zoobenthos, and Zooperiphyton 24 March 2011 Pages: 56 - 64

9. Temperature effects of interspecies competition between cladoceran species in experimental conditions

   • I. Yu. Feniova
   • V. I. Razlutsky
   • A. L. Palash

   Zooplankton, Zoobenthos, and Zooperiphyton 24 March 2011 Pages: 65 - 71

10. Hydrolytic activity of symbiotic microflora enzymes in pike (Esox lucius L.) intestines

    • G. I. Izvekova
    • A. O. Plotnikov

    Parasitology of Hydrobionts 24 March 2011 Pages: 72 - 77

11. Dependence that the community structure of the roach Rutilus rutilus (L.) parasites has on the host age

    • Zh. N. Dugarov
    • N. M. Pronin
    • S. V. Pronina

    Parasitology of Hydrobionts 24 March 2011 Pages: 78 - 89

12. Comparative analysis of diurnal variations of the lipid composition in perch (Perca fluviatilis L.) and tyulka (Clupeonella cultriventris Nordmann) from the Rybinsk Reservoir pelagial

    • V. V. Khalko

    Ecological Physiology and Biochemistry of Hydrobionts 24 March 2011 Pages: 90 - 96

13. The limits of Dreissena polymorpha (Pallas) range in the Kama River basin

    • I. V. Pozdeev

    Short Communications 24 March 2011 Pages: 97 - 100

14. The effect that ammonium and a deficiency of calcium have on lymphocyte subpopulations in common carp (Cyprinus carpio L.)

    • V. R. Mikryakov
    • V. M. Stepanova
    • G. A. Vinogradov

    Short Communications 24 March 2011 Pages: 101 - 103