TY JOUR TI DEVELOPMENT OF A CROWDSOURCING INTERNET PORTAL FOR THE DETECTION AND CONTROL OF THE NUMBER OF RARE AND ENDANGERED PLANT SPECIES IN THE URBAN ECOSYSTEM ON THE EXAMPLE OF KURSK KW conservation of biodiversity KW rare and endangered species KW plants KW crowdsourcing KW information technology KW internet portal JO Actual directions of scientific researches of the XXI century: theory and practice AU Kiril'chuk, I.O. AU Vyertakova, Y.. AU Belyakova, O.I. AU Tyurin, I.E. PY 2021 IS 9 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov