Нуждающиеся в охране степные сообщества Саратовской области

Abstract

The results of a study of three unique to Saratov oblast steppe communities are presented. All the communities can be rated as 1 (E) (exceptional) – unique phytocenosises to the region, known from 1–2 points, for which suitable organization of specially protected natural territories. These communities are from ass. Agropyron desertorum – Suffruticulosi, Atraphaxis replicatа + Artemisia pauciflora, Galatella villosa +Agropyron desertorum. Within these communities are marked protected species of plants, including endangered Astragalus tenuifolius, Tulipa biflora and Astragalus stenoceras. Territory, which describes the named community, it's recommended to protect in the status of integrated natural monuments. The main destabilizing factors are grazing and grassland fires.