Using the Methodology of Land Degradation Neutrality to Assess the Territory of the Caspian Region

IF 0.6 Q4 ECOLOGY Arid Ecosystems Pub Date : 2024-08-13 DOI:10.1134/S2079096124700033

G. S. Kust, D. S. Shklyaeva, V. A. Lobkovskiy, O. V. Andreeva

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Abstract

Research on the Caspian region has been conducted for over 20 years under the auspices of the Framework Convention for the Protection of the Marine Environment of the Caspian Sea (Tehran Convention). It aims to protect not only the water area of the Caspian Sea, but also areas of land located directly adjacent to it from negative impacts. For the first time, based on the concept of Land Degradation Neutrality (LDN), this work presents the results of a comparative assessment of land conditions for the coastal areas of five states: the Republic of Azerbaijan, the Islamic Republic of Iran, the Republic of Kazakhstan, the Russian Federation, and Turkmenistan. The approach implemented made it possible to identify the main trends in land dynamics in the region under consideration, including for individual countries and regions for different periods of observation. The results are presented in cartographic form. It has been established that most regions of the Caspian region are characterized by a deterioration of the current situation associated with the intensification of degradation processes, and the main “hot spots” of desertification are described. At the same time, the dynamics of land degradation in the Caspian region are multidirectional in individual regions and observation periods. Selecting different comparison periods and baselines can help track changes in land conditions over time and identify peaks of improvement and deterioration.

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利用土地退化中性方法评估里海地区领土

摘要 20 多年来，在《保护里海海洋环境框架公约》（《德黑兰公约》）的支持下，对里海地区进行了研究。该公约不仅旨在保护里海的水域，还旨在保护直接毗邻里海的陆地免受负面影响。根据 "土地退化中立"（LDN）的概念，本著作首次介绍了对阿塞拜疆共和国、伊朗伊斯兰共和国、哈萨克斯坦共和国、俄罗斯联邦和土库曼斯坦五个国家沿海地区的土地状况进行比较评估的结果。所采用的方法使我们有可能确定该地区土地动态的主要趋势，包括各个国家和地区在不同观测时期的土地动态。研究结果以地图形式呈现。结果表明，里海地区大部分地区的现状都在恶化，退化过程加剧，并描述了荒漠化的主要 "热点"。同时，里海地区土地退化的动态变化在各个地区和各个观测期具有多向性。选择不同的比较期和基线有助于跟踪土地状况随时间的变化，并确定改善和恶化的高峰期。

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来源期刊

Arid Ecosystems ECOLOGY-

CiteScore

1.50

自引率

25.00%

发文量

期刊介绍： Arid Ecosystems publishes original scientific research articles on desert and semidesert ecosystems and environment:systematic studies of arid territories: climate changes, water supply of territories, soils as ecological factors of ecosystems state and dynamics in different scales (from local to global);systematic studies of arid ecosystems: composition and structure, diversity, ecology; paleohistory; dynamics under anthropogenic and natural factors impact, including climate changes; studying of bioresources and biodiversity, and development of the mapping methods;arid ecosystems protection: development of the theory and methods of degradation prevention and monitoring; desert ecosystems rehabilitation;problems of desertification: theoretical and practical issues of modern aridization processes under anthropogenic impact and global climate changes.