Abstract
The problem of preserving biodiversity in the face of human influence and climate change is one of the most pressing problems of modern ecology. The aim of the study is to identify the characteristics of herb SAD for various mountain pine forest types in the Middle Urals. Studies conducted in various types of pine forests have shown that the SAD method is an effective method for analysing the species structure and biodiversity of forest vegetation. The results presented in the form of graphs are clear, intuitive and easy to interpret. The use of approximations by several functions and comparison with theoretical distributions allows a deeper understanding of the features of forest species diversity
Highlights
The problem of preserving biodiversity in the face of human influence and climate change is one of the most pressing problems of modern ecology [1]
The maximum herb biomass is marked in the Pine forest with multispecies herb layer
A high coefficient of variation (Cv) indicates an uneven distribution of the herb layer in this forest type (Table 1)
Summary
The problem of preserving biodiversity in the face of human influence and climate change is one of the most pressing problems of modern ecology [1]. Among the relatively new methods, the species abundance distributions (SAD) attracts special attention of researchers, since SAD is a fundamental regularity in ecology [2, 3]. This approach allows us to obtain graphs that are determined by a dominant species, and by many low-abundance species, and makes it possible to compare different plant communities even with a large difference in species composition. It is very important to know the forest-typological features of plant biodiversity and its determining factors This problem is not solved for the Ural Mountains
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