Contents

Contemporary Problems of Ecology

Vol. 19, No. 4, 2026

Composition and Ecological-Geographical Differentiation of Rare Bird Species in the North of the Central Siberian Plateau

A. A. Romanov p. 461  abstract

Species Diversity, Abundance, and Spatial Distribution of Birds in the Upper Vychegda Basin (Komi Republic)

O. Y. Mineev and S. K. Kochanov p. 474  abstract

Population Density Patterns of Dominant Mice and Voles in a Forest–Meadow Ecotone

I. S. Sheremetev, V. A. Nesterenko, and I. N. Sheremeteva p. 486  abstract

Influence of Hydrogeological and Hydrochemical Environmental Factors on the Formation of Seaside Plant Communities in the Estuaries of the White Sea and Cheshkaya Bay in the Barents Sea

D. S. Moseev and A. G. Volkov p. 499  abstract

Pit Lakes of the Zavitinskoe and Zhipkoshinskoe Ore Deposits in Eastern Transbaikalia: Ecology, Hydrochemistry, and Hydrobiology

V. A. Abramova, L. V. Zamana, A. P. Kuklin, E. Yu. Afonina, and N. A. Tashlykova p. 509  abstract

Features of Phenanthrene Transformation by Microbial Complexes of Groundwater in the Riverbank Filtration Zone

Z. N. Litvinenko, L. M. Kondratyeva, D. V. Andreeva, and A. S. Bashkurova p. 522  abstract

A Case Study of Environmental Biomonitoring in an Urbanized Arctic Area (Novy Urengoy Urban District)

M. G. Opekunova, A. R. Nikulina, A. Yu. Opekunov, S. Yu. Kukushkin, S. Yu. Yanson, and V. Prokhorova p. 532  abstract

Microbiological Activity of Western Transbaikal Soils: Microbial Biomass Carbon, Microbiome, Enzymatic Activity, Cellulose Decomposition

Ts. D.-Ts. Korsunova, E. O. Chimitdorzhieva, and Yu. B. Tsybenov p. 548  abstract

Pollutants and Chemical Markers of Anthropogenic Pressure in Urban Areas: A Cross-Analysis of Soil and Betula pendula Roth Bark

A. S. Olkova, O. E. Kononova, and D.V. Chuprakov p. 557  abstract

Ecological, Floristic, Physiological, and Biochemical Characteristics of Calcicoles of the Zhiguli Mountains

O. A. Rozentsvet, E. S. Bogdanova, V. N. Nesterov, and V. A. Rozentsvet p. 570  abstract

Distribution of Heavy Metal Salts in Shoots of Wild Raspberries (Rubus idaeus L., 1753)

A. E. Parfenova, S. V. Kapranov, and I. A. Parfenova p. 581  abstract

Accumulation of Natural Radionuclides and Their Chemical Analogues by Sorbus aucuparia L. and Its Biochemical Indicators in Response to Chronic Radium Contamination

L. M. Shaposhnikova, A. P. Karmanov, and N. G. Rachkova p. 588  abstract

MaxEnt-Based Prediction of Grasshopper Distribution in Hulun Buir in Response to Climate and CO2 Changes

Hongru Yue, Fuyuan Ta, Youchen Zhen, Hongwei Li, Narisu, Minna Pang, Fangzheng Yue, Kuanyan Tang, and Ning Wang p. 599  abstract

Standardized Guidelines for Reporting Plasmodial Slime Moulds (Myxomycetes) from Field Surveys and Moist Chamber Cultures

I. Żebrowski, Małgorzata Olszewska, and Amelia Kieczka p. 612  abstract