Vol. 19, No. 2, 2026

Contemporary Problems of Ecology

Structure of the Food Web of a Northern Humified Lake: Seasonal Features

N. A. Berezina, A. A. Maximov, P. M. Terentjev, and S. M. Tsurikov p. 169 abstract

Development of a Multimetric Index Based on the Composition and Structure of Macrozoobenthos for Assessing the Ecological Status of Altai Low-Mountain Lakes

O. N. Vdovina and D. M. Bezmaternykh p. 183 abstract

First Studies of the Zoobenthos of Lake Teletskoye during the Ice-Cover Period and Assessment of the Quality of Its Water in 2023–2024

M. I. Koveshnikov and E. N. Krylova p. 195 abstract

Fir (Abies sibirica Ledeb.) in a Changing Climate Hydrothermal Regime and Effects of the Ussuri Polygraph (Polygraphus proximus Blandford)

V. I. Kharuk, S. T. Im, I. A. Petrov, D. A. Demidko, M. L. Dvinskaya, A. A. Knorre, and A. S. Shushpanov p. 205 abstract

Status of the Synurbized Magpie (Pica pica L., 1758) Population in Belarus

V. V. Sakhvon and K. A. Fedarynchyk p. 215 abstract

Diversity, Properties and Geochemical Features of the Soil Cover in the Ecosystems of the Floodplain-Delta Part of the Transboundary Uldza River (Daursky Biosphere Reserve)

V. L. Ubugunov and L. L. Ubugunov p. 225 abstract

System–Ecological Analysis of Seasonal Catalase Activity in Peat Soils of Drained Pine Bogs in Western Siberia

T. T. Efremova, S. P. Efremov, and A. F. Avrova p. 238 abstract

Comparative Analysis of Morphophysiological Responses of the Lichen Parmelia sulcata and the Moss Orthotrichum speciosum to Simulated Acidic and Ammonium Air Pollution

A. F. Meysurova p. 251 abstract

Metal Accumulation by the Lichen Flavocetraria nivalis on the Coast of the Southern Part of Vaygach Island

D. S. Moseev, E. I. Kotova, and Yu. A. Suetin p. 261 abstract

Relationship Between Indices of Total Chemical Pollution by Heavy Metals and Functional Characteristics of Microbial Communities in Urban Soils of Bishkek

Ch. B. Aidyralieva, M. V. Gorlenko, B. M. Khudaibergenova, S. A. Kulachkova, and V. A. Terekhova p. 269 abstract

Two Decades of Desertification Dynamics in Northeastern Algeria: Insights from ANN-MLP Modeling

Abdelkrim Arar, Ali Mihi, Messaoud Saoudi, Imène Benzina, and Alfred Homère Ngandam Mfondoum p. 281 abstract

Research on the Exposure of “Production-Living-Ecological” Space to Multiple Extreme Climate Indices: A Case Study in the Yangtze River Basin, China

Tiangui Wang, Kexin Zhang, Huiqing Han, and Li Zhao p. 293 abstract

Assessment of Chinese Suitable Cultivation Region of Corydalis decumbens in Different Climatic Conditions by MaxEnt and HPLC

Shengmei Yang, Yuming Yang, Ziqi Zhou, Zhinan Zhu, Zhenghao Zhong, Yan Ding, Hengsen Li, and Yang Yang p. 312 abstract

Contents

Contemporary Problems of Ecology