The paper is aimed to assess the effect of anthropogenic fragmentation on the biodiversity of plants in northern meadow steppes located in the southeast of the Nizhny Novgorod region. The plants were chosen as a model group. A quantitative analysis of the dependence of the number of species on the area of habitats was carried out according to the data collected at 158 sites of meadow ... https://www.bekindtopets.com/super-value-Keychron-M4-Wireless-4K-Mouse-flash-choice/