1. Features of the Organization of Populations of a Rare Species Cephalaria uralensis (Murr.) Schrad. ex Roem. et Schult. (Dipsacaceae, Magnoliópsida) in the Trans-Volga and Cis-Urals Regions

   • L. M. Abramova
   • V. N. Ilyina
   • O. A. Karimova

   OriginalPaper 21 February 2020 Pages: 1199 - 1205

   

2. Thermal Regimen of the Habitats of the Russian Desman (Desmana moschata, Talpidae, Soricomorpha)

   • K. A. Es’kova
   • K. I. Belovezhets
   • M. V. Rutovskaya

   OriginalPaper 21 February 2020 Pages: 1206 - 1210

   

3. Some Aspects of the Theory of Winter Route Counting of Game Animals

   • I. A. Kondratenkov

   OriginalPaper 21 February 2020 Pages: 1211 - 1223

   

4. Influence of Pb and Cd on the Biochemical Indices of Avena sativa (Poaceae, Liliopsida)

   • A. S. Petukhov
   • N. A. Khritokhin
   • T. A. Kremleva

   OriginalPaper 21 February 2020 Pages: 1224 - 1229

   

5. Leukocytic Indices and Micronucleus in Erythrocytes as Population Markers of the Immune Status of Pelophylax ridibundus (Pallas, 1771) (Amphibia: Ranidae) Living in Various Biotopic Conditions

   • E. B. Romanova
   • K. V. Shapovalova
   • D. B. Gelashvili

   OriginalPaper 21 February 2020 Pages: 1230 - 1238

   

6. Syntaxonomy of Some Phytocenoses in Mountain and Piedmont Ecosystems of the Central Caucasus (Kabardino-Balkaria)

   • N. L. Tsepkova

   OriginalPaper 21 February 2020 Pages: 1239 - 1249

   

7. Stopovers of Swans (Cygnus cygnus and C. bewickii) (Anatidae, Aves) in the Agricultural Landscape of Southern Karelia during the Spring Migration

   • A. V. Artemyev
   • N. V. Lapshin
   • S. A. Simonov

   OriginalPaper 21 February 2020 Pages: 1250 - 1255

   

8. Evolutionary and Ecological Aspects of Genetic Variability in Populations of Sicista betulina (Rodentia, Dipodoidea) from Valdai Hills

   • M. I. Baskevich
   • L. A. Khlyap
   • V. M. Malygin

   OriginalPaper 21 February 2020 Pages: 1256 - 1260

   

9. Tengmalm’s Owl (Aegolius funereus) (Strigidae, Aves) in the North Caucasus

   • V. P. Belik
   • M. I. Akkiev

   OriginalPaper 21 February 2020 Pages: 1261 - 1268

   

10. Structural Organization and Specificity of Territorial Links among Birds of Inner Mountain and High-Mountain Dagestan

    • E. V. Vilkov

    OriginalPaper 21 February 2020 Pages: 1269 - 1281

    

11. Biological Activity of Mountain and Plain Chernozems in the Central Caucasus (within Kabardino-Balkaria)

    • O. N. Gorobtsova
    • T. M. Minkina
    • E. M. Khakunova

    OriginalPaper 21 February 2020 Pages: 1282 - 1288

    

12. Territorial Structure and Social Organization of Two Subspecies of the Midday Gerbil (Meriones meridianus nogaiorum, M. m. psammophilus) (Muridae, Mammalia) under Seminatural Conditions

    • V. S. Gromov

    OriginalPaper 21 February 2020 Pages: 1289 - 1293

    

13. Some Ecological Peculiarities of Bulbocodium versicolor (Ker-Gawl.) Spreng. (Colchicaceae, Magnoliophyta) in the Lower Volga Region

    • L. V. Kulikova
    • A. S. Kashin
    • I. V. Shilova

    OriginalPaper 21 February 2020 Pages: 1294 - 1301

    

14. Vertical Distribution of Bacteria in Forest Lakes of Karelia

    • N. A. Lapteva
    • E. A. Sokolova

    OriginalPaper 21 February 2020 Pages: 1302 - 1307

15. Foraging Behavior Features of the Blackbird Turdus merula L. and Fieldfare Turdus pilaris L. (Turdidae, Passeriformes) in Kaliningrad

    • M. S. Shukshina

    OriginalPaper 21 February 2020 Pages: 1308 - 1312

16. Foraging and Daily Activity Features of Ants of the Genus Formica (Insecta, Hymenoptera) in Forest–Steppe Biotopes of Saratov Oblast

    • N. S. Pavlova
    • V. V. Anikin

    OriginalPaper 21 February 2020 Pages: 1313 - 1316

    

17. Effect of Lighting Conditions on the Reproductive Success of Cypripedium calceolus L. (Orchidaceae, Liliopsida)

    • I. A. Kirillova
    • D. V. Kirillov

    OriginalPaper 21 February 2020 Pages: 1317 - 1324

    

18. Tendencies in the Dynamics of Bird Communities in Agricultural Landscapes of the Steppe Trans-Urals at the Turn of the Century

    • V. A. Korovin

    OriginalPaper 21 February 2020 Pages: 1325 - 1332

19. Reduction of Copper Ion Phytotoxicity Using Rhodococcus-Biosurfactants

    • L. V. Litvinenko
    • A. V. Tishchenko
    • I. B. Ivshina

    OriginalPaper 21 February 2020 Pages: 1333 - 1338

    

20. Long-Term Dynamics of the Community Structure of Larks (Alaudidae, Aves) in the Northwestern Caspian Lowland

    • M. L. Oparin
    • A. B. Mamaev
    • L. S. Trofimova

    OriginalPaper 21 February 2020 Pages: 1339 - 1346

    

21. Morphological Variability and Biochemical Parameters of Leaves in Cenopopulations of Aegopodium podagraria L. (Apiаceae, Apiales) under Various Levels of Soil Contamination by Heavy Metals

    • A. B. Savinov
    • E. A. Erofeeva
    • Yu. D. Nikitin

    OriginalPaper 21 February 2020 Pages: 1347 - 1352

    

22. Snowdrift Redistribution as the Main Factor of Regulation of Water Availability for Forest Cultures in Steppe Conditions

    • M. K. Sapanov

    OriginalPaper 21 February 2020 Pages: 1353 - 1358

    

23. Estimation of the Toxicity of a Metal/Carbon Nanocomposite of Copper by Biotesting

    • A. V. Khudyakova
    • T. G. Lekontseva
    • A. V. Fedorov

    OriginalPaper 21 February 2020 Pages: 1359 - 1363

    

24. Influence of the Environment on the Structure of the European Badger (Meles meles) (Mustelidae, Mammalia) Family Groups on the Oka–Don Plain

    • O. D. Bohina
    • V. A. Boldyrev

    OriginalPaper 21 February 2020 Pages: 1364 - 1367

    

25. Trends of Wild Ungulate Population Dynamics in Russia

    • A. A. Danilkin

    OriginalPaper 21 February 2020 Pages: 1368 - 1373

    

26. Waders of Agricultural Areas of Ivanovo Oblast in the Crisis of Agricultural Production

    • D. V. Chasov
    • V. N. Melnikov
    • D. E. Chudnenko

    OriginalPaper 21 February 2020 Pages: 1374 - 1376

    

27. Bacterioneuston Abundance and Physicochemical Properties of the Surface Microlayer of Lake Baikal

    • A. D. Galachyants
    • I. V. Tomberg
    • O. I. Belykh

    OriginalPaper 21 February 2020 Pages: 1377 - 1381

    

28. Phytoplankton of the Usa River and Its Tributaries (Kuibyshev Reservoir Basin)

    • O. G. Gorokhova
    • T. D. Zinchenko

    OriginalPaper 21 February 2020 Pages: 1382 - 1389

    

29. The Effect of Gamma Radiation on Parthenogenetic Artemia (Branchiopoda, Anostraca) Cysts: Nauplius Hatching and Postnauplial Survival under Varying Salinity

    • N. Yu. Mirzoyeva
    • E. V. Anufriieva
    • N. V. Shadrin

    OriginalPaper 21 February 2020 Pages: 1390 - 1396

    

30. Biodiagnostics of Soil under a Low Level of Anthropogenic Impact (by the Example of the Urban Settlement of Stepnoe, Saratov Oblast)

    • Ye. V. Pleshakova
    • C. T. Ngun
    • M. V. Reshetnikov

    OriginalPaper 21 February 2020 Pages: 1397 - 1405

    

31. Numbers of Small Mammals in Fields, Stacks, and Ricks in the South Central Chernozem Region

    • D. V. Trankvilevsky
    • D. A. Kvasov

    OriginalPaper 21 February 2020 Pages: 1406 - 1414

    

32. Polycyclic Aromatic Hydrocarbons in Betula nana (Betulaceae, Magnoliópsida) under Exposure to a Thermal Power Plant

    • E. V. Yakovleva
    • D. N. Gabov

    OriginalPaper 21 February 2020 Pages: 1415 - 1425

    

33. Ontogenetic Structure of Cenopolulations of Orchis militaris L. and Dactylorhiza incarnata (L.) Soo (Orchidaceae, Liliopsida) in Romanovskii District of Saratov Region

    • A. V. Nevzorov
    • E. B. Smirnova
    • E. N. Shevchenko

    OriginalPaper 21 February 2020 Pages: 1426 - 1430

    

34. Meadow Birds under Waning Traditional Pasture Animal Husbandry

    • A. L. Mischenko
    • O. V. Sukhanova
    • P. N. Amosov

    OriginalPaper 21 February 2020 Pages: 1431 - 1441

    

35. Scientific Bases for Enuring Productive Longevity of Agrolandscapes in Russia

    • I. A. Trofimov
    • L. S. Trofimova
    • M. L. Oparin

    OriginalPaper 21 February 2020 Pages: 1442 - 1447