Contents

Arid Ecosystems

Vol. 11, No. 4, 2021

Systematic Study of Arid Territories

Trends of Variation in the Thermal Regime in Arid and Adjacent Areas in the European Part of Russia in Summer

L. M. Akimov p. 319  abstract

Quantitative Climate Indicators Applied to the Assessment of Hydrothermal Conditions in the Republic of Kalmykia

N. A. Shumova p. 327  abstract

Analysis of Hydrothermal Conditions in the Rostov Region in the Period 1960–2019

V. N. Gudko, A. V. Usatov, and K. V. Azarin p. 337  abstract

Semiarid Intermontane Basins of the North Caucasus: Landscapes and Land Use Transformations

M. N. Petrushina and A. N. Gunya p. 343  abstract

Assessing Anthropogenic Pressure of Forest Villages in Semi-arid Forest Ecosystem in Western India using Cumulative Disturbance Index (CDI)

V. Rasal, M. Dhakad, and D. Khandal p. 351  abstract

Water-Regime Formation in Sands of the Archeda–Don Massif with Respect to the Distribution of Plant Formations

A. K. Kulik, K. N. Kulik, M. V. Vlasenko, Yu. I. Sukhorukikh, and S. G. Biganova p. 358  abstract

Humus State of Soils in Archaeological Sites of the Early Iron Age (Republic of Bashkortostan)

A. Ya. Kungurtsev, R. R. Suleymanov, V. V. Ovsyannikov, N. S. Savelev, E. V. Abakumov, and I. G. Asylbaev p. 367  abstract

Current Condition of Crambe edentula Fisch. & C.A. Mey. Ex Korsh. on the Ustyurt Plateau in Uzbekistan

N. K. Rakhimova, T. Rakhimova, B. A. Adilov, Sh. B. Tamambetova, and F. I. Polvonov p. 377  abstract

Distribution of the Bobak Marmot across the Russian Plain in the Historical Past: Mapping Review

V. Yu. Rumyantsev p. 383  abstract

Number of Pelicans (Pelecanidae) Breeding on the Territory of the Rostovsky Reserve and Causes of Abundance Variation

Yu. V. Malinovskaya, V. A. Minoransky, and S. I. Kolesnikov p. 392  abstract

Industrial Problems of the Study of Arid Territories

Features of Fodder Vegetation as a Possible Cause of Saiga Die-Offs on Steppe Pastures

B. D. Abaturov, S. S. Gorbunov, and A. I. Koshkina p. 399  abstract

The Biotechnological Potential of the Production Resources of Grapes Cultivated in Dry Conditions

O. K. Vlasova, T. I. Daudova, Z. K. Bakhmulaeva, S. A. Magadova, and G. G. Magomedov p. 406  abstract

Water Ecosystems of Arid Territories

Influence of the Ionic Composition of Water on the Structure of the Zooplankton of the Lakes of the Tazheran Steppe (Western Baikalia)

N. I. Ermolaeva and G. V. Fetter p. 411  abstract

Influence of the Anthropogenic Factor on the Chemical Composition of Lakes in Dry Areas of Dagestan on the Example of the Bol’shoe and Maloe Turali Lakes

A. R. Yusupov, A. S. Kurbanismanilova, K. G. Alkhulaev, A. S. Mamayev, and Z. A. Yusupov p. 421  abstract

Plankton Development in Littoral Biotopes of Various Types in Soda Lakes

N. A. Tashlykova and E. Yu. Afonina p. 426  abstract

Influence of Climatic Factors on Interannual and Seasonal Dynamics of the Environmental State of the Salt Lake Adzhi-Baichi (Crimea)

I. I. Rudneva, V. G. Shaida, A. V. Shcherba, and A. V. Zavyalov p. 434  abstract