1. Holocene dynamics of forest ecosystems on the upper plateau of the Volga Upland

   • N. V. Blagoveshchenskaya

   OriginalPaper Pages: 73 - 78

2. Elevation-dependent genetic variation of plants and seed embryos in the Crimea Mountain population of Pinus pallasiana D. Don

   • I. I. Korshikov
   • E. A. Mudrik

   OriginalPaper Pages: 79 - 83

3. Carbon dioxide exchange in the photosynthetic apparatus of trees in a mature spruce phytocenosis of the northern taiga subzone

   • V. V. Tuzhilkina

   OriginalPaper Pages: 84 - 89

4. Variation in certain characters and properties of scotch pine needles in geographic cultures

   • T. N. Novikova
   • L. I. Milyutin

   OriginalPaper Pages: 90 - 96

5. Bioecological characteristics of segetal flora in the Middle Urals

   • A. S. Tret’yakova

   OriginalPaper Pages: 97 - 102

6. Indicatory aspect of the geographic analysis of plant communities with respect to floristic composition on mountain slopes differing in exposure (the Polar Urals)

   • N. V. Peshkova
   • N. I. Andreyashkina

   OriginalPaper Pages: 103 - 108

7. Effect of emissions from petroleum gas flares on the reproductive state of pine stands in the northern taiga subzone

   • D. R. Anikeev
   • I. A. Yusupov
   • K. I. Lopatin

   OriginalPaper Pages: 109 - 113

8. Species diversity of spiders (Arachnida, Aranei) in agroecosystems of Moscow oblast and Krasnodar krai

   • R. R. Seyfulina

   OriginalPaper Pages: 114 - 119

9. Evidence for the existence of a high-altitude white wagtail (Motacilla alba) population in the Yamal peninsula and the boundaries of its distribution

   • V. N. Ryzhanovskii

   OriginalPaper Pages: 120 - 125

10. Growth of the nesting colony of slaty-backed gulls (Larus schistisagus) and plant cover degradation on Shelikan Island (Taui inlet, the Sea of Okhotsk)

    • L. A. Zelenskaya
    • M. G. Khoreva

    OriginalPaper Pages: 126 - 134

11. Lernaea cyprinacea (Copepoda, Lernaeidae) on crucian carp (Carassius carassius) from Lake Dlinnoe in the Basin of the Middle Reaches of the Vychegda River

    • G. N. Dorovskikh
    • L. R. Makarova

    Short Communications Pages: 135 - 140

12. Radionuclide accumulation in thalli of lichens

    • T. L. Slonov
    • L. Kh. Slonov

    Short Communications Pages: 141 - 142

13. The environment-forming role of endemic species in calciphilous communities of the southern Central Russian Upland

    • O. V. Degtyar’
    • V. I. Chernyavskikh

    Short Communications Pages: 143 - 145