Contents

Arid Ecosystems

Vol. 16, No. 1, 2026

SYSTEMATIC STUDY OF ARID TERRITORIES

Climatic Factors of Aridity and Desertification of Nakhchivan Geosystems

S. Yu. Guliyeva, S. M. Zeynalova, I. Ya. Kuchinskaya, and E. J. Karimova p. 1  abstract

Arid Landscapes of Southern Russia: Spatial Structure and Climate Variability

Z. V. Atayev p. 9  abstract

Structural and Functional Organization of Larch Forests and Pasture Ecosystems of the Tesiin-Gol Bulnain-Nuru National Park (Mongolia)

E. V. Danzhalova, S. Khadbaatar, Yu. I. Drobyshev, Yu. A. Rupyshev, S. A. Korotkov, I. A. Petukhov, I. V. Khusainova, and S. N. Bazha p. 22  abstract

Assessment of Vegetation Dynamics along the Transect in the Middle Part of the Volga–Akhtuba Floodplain (1954–2025)

A. V. Chuvashov, V. M. Vasyukov, and V. B. Golub p. 36  abstract

Ecological Analysis of Pastureland Vegetation of Karakalpak Ustyurt (Uzbekistan)

N. K. Rakhimova, H. F. Shomurodov, T. Rakhimova, A. T. Sultamuratov, J. S. Sadinov, and A. N. Mirzambetov p. 41  abstract

Ecological and Phytocenotic Analysis of Communities with the Participation of Matthiola Daghestanica (Conti) N. Busch in Arid Conditions of the Middle Mountains of Dagestan

R. M. Osmanov p. 52  abstract

Analysis of Morphometric Variability of a Rare Species Lepidium meyeri in Orenburg Region

A. N. Mustafina, L. M. Abramova, and O. A. Karimova p. 61  abstract

Soils of the Floodplain–Estuary Part of the Transboundary Uldza River of the Endorheic Arid Uldza–Torei Basin (Southeastern Transbaikal, Dauria)

L. L. Ubugunov, V. I. Ubugunova, T. A. Ayushina, A. D. Zhambalova, V. L. Ubugunov, and Ts. N. Nasatueva p. 67  abstract

Regularities of the Manifestation of the Stages of Desertification on Different Continents of the World

Z. G. Zalibekov, N. B. Butaeva, and R. M. Adamova p. 78  abstract

Is There a Chance for Endemics to Survive? Calophaca wolgarica (Lf) Pall. Ex Fisch. in the Era of Global Climate Change

A. S. Kashin, A. O. Kondratieva, Yu. I. Kuliseva, R. A. Murtazaliev, and I. V. Shilova p. 85  abstract

Facies Features of the Structural Composition of Humic Acids in Carbonate-Free Chernozem Soils of Transbaikalia

E. O. Chimitdorzhieva, Ts. D-Ts. Korsunova, G. D. Chimitdorzhieva, and D. B. Ayurova p. 101  abstract

Biodiversity of Protected Water Storage Reservoirs for Collector and Drainage Runoff in the Republic of Kalmykia

S. S. Ulanova, N. M. Novikova, I. B. Shapovalova, and N. A. Volkova p. 107  abstract

Current Status of the Saiga Population in the Northwestern Caspian Region: Prospects for Conservation and Sustainable Use

S. A. Bogun, A. A. Abushin, B. I. Ubushaev, and G. I. Erdnenov p. 122  abstract

INDUSTRY PROBLEMS OF DRY LANDS DEVELOPMENT

Method of Determining the Degree of Fixation of Sands in the Desert Zone of Kalmykia by Vegetation Using Satellite Radar

M. A. Vanyarkho, A. Sh. Ziyatdinov, I. L. Prokofiev, N. L. Fedorova, and S. S. Ulanova p. 132  abstract

Dependance of Field Phytomass from Condition of Forest Belt and Erosional Dissection: Dynamic Aspect

A. V. Khoroshev, N. V. Ilinova, and O. G. Kalmykova p. 142  abstract

Modern Status of the Territorial Nature Protection System in the Umnugovi Aimag, Mongolia

T. P. Kalikhman p. 151  abstract

WATER ECOSYSTEMS OF ARID TERRITORIES

Possible Impact of the Planned Works on the Reconstruction of the Chirkei Hydroelectric Power Plant for Aquatic Bioresources

R. M. Barkhalov, N. I. Rabazanov, M. M. Osmanov, A. A. Abdurakhmanova, D. A. Ustarbekova, M. M. Alijadzhiev, and I. A. Stolbunov p. 158  abstract

Quantitative and Qualitative Composition of Hydrocarbons in the Bottom Sediments of the Beisug Liman, Khanskoe Lake, and the Neighbouring Waters of the Azov Sea

O. V. Soloveva, E. A. Tikhonova, and O. V. Stepan’yan p. 168  abstract