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• The variability of the leaves structure of Artemisia absinthium (Asteraceae)

  Keemya Ochirova, Elena Krylova, Irina Pautova

  4–14

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• New data on distribution of spring and autumn haul-out sites of the Baltic ringed seals (Pusa hispida botnica) in the Gulf of Finland

  Anna Loseva, Rustam Sagitov

  15–40

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• On the occurrence status of the Great Egret (Casmerodius albus L.) on the Kurgalsky Peninsula and adjacent areas of the eastern part of Gulf of Finland in the last decade

  Sergey Kouzov

  41–50

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• Summer passerine fauna of floodplains and human settlements of Kabardino-Balkarian steppe zone

  Aleksandr Lenshin

  51–65

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• Vaucheria aversa Hass. (Vaucheriales, Xanthophyta) found in the West Siberian plain

  Boris Sviridenko, Tatyana Sviridenko, Konstantin Yevzhenko, Andrey Efremov

  66–69

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• Using poultry farms wastewater to increase Arthrospira platensis (Nordst.) Geitler productivity

  Svetlana Gorbunova, Yana Zhondareva

  70–77

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• Influence of birds on the spatial distribution of Deschampsia antarctica Desv. on Galindez Island (Argentinean Islands, Coastal Antarctic)

  Ivan Parnikoza, Evgeny Abakumov, Ivan Dykyy, Dmitry Pilipenko, Pavlo Shvydun, Iryna Kozeretska, Victor Kunakh

  78–97

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• Some aspects of theoretical soil identification

  Inna Archegova

  98–103

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• Dynamics of autotrophic Chlamydomonas reinhardtii metabolome during exponentional and stationary phase

  Roman Puzanskiy, Alexey Shavarda, Maria Shishova

  104–121

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