Стоимостная оценка территории Самарской области по редким видам сосудистых растений

Abstract

Currently, ecosystem services are highly undervalued or completely free of charge, which ultimately leads to ecosystem degradation and extinction There are common approaches in determining the valuation of individual components of ecosystem services for large territorial units. For the regional level, similar approaches for the valuation of ecosystem services have been little realized and only being developed. Earlier, an assessment of individual components of ecosystem services in the Samara region was carried out using the R.Costanza method. The total cost of the ecosystem services we took into account was $4,5 billion. In addition, an algorithm for calculating a part of the ecosystem services of specially protected natural areas based on data on rare and endangered plant species in the Red Book of the Samara Region. The analysis was carried out on 281 species of vascular plants taking into account the spatial distribution of 27 municipal districts of the Samara region. The assessment of ecosystem services was carried out according to the formulas that took into account: the share of the area of specially protected natural areas; number of tree and shrub species; number of species of herbaceous plants; cost estimates; expert assessments in the form of correction factors, allowing to take into account the special value of relic and endemic species. The lower limit of the cost of the ecosystem services recorded in the present work from specially protected plant species is more than 50 million rubles. The proposed methodology can be used in assessing ecosystem services for other areas, which will ensure the preservation of natural capital and natural ecosystems.