Анализ Пространственно-Временных Изменений Лесистости На Юге Лесостепи Среднерусской Возвышенности По Спутниковым Данным

Terekhin, E.A.; Чендев, Ю. Г.

doi:10.1134/s0024114819030094

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“…Over the recent 20 years, there has been an active invasion of tree vegetation into the herbaceous ecosystems in the southwestern part of the European territory of Russia (hereinafter, European Russia) [1]. This process in the region can be associated both with current climate change [2] and a decrease in the area of pastures and hayfields due to significant changes in agriculture that followed after the collapse of the Soviet Union at the end of 1991 [3].…”

Section: Introductionmentioning

confidence: 99%

The Influence of Relief on the Density of Light-Forest Trees within the Small-Dry-Valley Network of Uplands in the Forest-Steppe Zone of Eastern Europe

et al. 2020

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An active process of the invasion of woody vegetation, resulting in the formation of light forests, has been observed in predominantly herbaceous small dry valleys of the forest-steppe uplands of the East European Plain over the past two decades. This paper investigates the spatial features of the density of trees in such light forests and its relationship with relief parameters. The Belgorod Region, one of the administrative regions of European Russia, was chosen as a reference for the forest-steppe zone of the plain. The correlation between some relief characteristics (the height, slope, slope exposure cosine, topographic position index, morphometric protection index, terrain ruggedness index, and width and depth of small dry valleys) and the density of light-forest trees was estimated. The assessment was carried out at the local, subregional and regional levels of generalization. The relief influence on the density of trees in the small dry valley network is manifested both through the differentiation of moisture within the territory under study and the formation of various conditions for fixing tree seedlings in the soil. This influence on subregional and regional trends in the density is greater than on local trends. The results obtained are important for the management of herbaceous small-dry-valley ecosystems within the forest-steppe uplands in Eastern Europe.

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Section: Introductionmentioning

confidence: 99%