Abstract
The article describes a study of plant communities of the south-western part of the Central Russian Upland that form in batches of various crops. Field studies employed the methods of reconnaissance floristic survey. Species diversity of the plant complexes and plant communities were studied with the morphological-ecological-geographical method. The results attest significant differences in their taxonomic and typological structures. In most familial spectra of studied floras, representatives of Asteraceae and Poaceae families prevail, while the counts of species of families Brassicaceae, Caryophillaceae, Fabaceae and Lamiaceae are also high, In the alien fraction of the studied flora, the importance of the following families increases: Amaranthaceae, Apiaceae, Asteraceae, Brassicaceae, Euphorbiaceae, Lamiaceae, Malvaceae, Portulacaceae. Most weeds pertain to annual xeromesophilic species. The work is aimed at formation and development of sustainable agro-environmental systems with rational use of biological resources.
Highlights
Influence o f technogenic factors causes significant geo-environm ental problem s in habitat o f hum ans, organism s and plants [1,2,3]
Quarantine pests m ay actively spread through crop plantings, determ ining a necessity for regular m onitoring o f fields [9]
Specifics o f grow th practices o f different crops m ay significantly differ, as w ell as conditions under w hich the vegetation cover is formed in the crop plantings
Summary
Influence o f technogenic factors causes significant geo-environm ental problem s in habitat o f hum ans, organism s and plants [1,2,3]. Studies o f plant com m unities is theoretically and practically im portant, as w eeds and alien species w hich are their m ain com ponents have a significant influence over form ation, developm ent and yield o f agricultural crops. The purpose o f the study was in identifying the form ation-related features o f plant com m unities in plantings o f various crop in the south-w est o f the C entral Russian U pland, w hich is considered here w ithin the adm inistrative boundaries o f B elgorod oblast, Russia. - to analyze taxonom ical structure o f plant com m unities that is form ed w ithin the areas taken by different crops
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