Saratov Region

In this article the new halophytic vegetation associations from the territory of far Saratov left Volga bank regions are characterizing. The information about vegetation composition, structure and rare plants species is provided. The recommendations for conservation all new vegetation communities in the new integrated natural monuments of the region are given.

Key to the subfamilies of chironomids (Chironominae) based on the morphology of the male genitalia includes 16 genus and 45 species found in the Volga river floodplain lakes (Saratov region). For the six species of the four genera of the tribe Chironomini (Einfeldia sp.1, Chironomus sp. (Lobochironomus), Dicrotendipes sp.1, Dicrotendipes sp.2, Parachironomus sp., Polypedilum sp.) described morphological differences from the known and the most directly comparable species. 

The paper presents new data on the distribution of 22 species listed in the Red Book of the Saratov region (2006).

This article is devoted to description rare halophytes plants communities of Saratov region, growing in brackish water and in hydromorphic solonchaks. Each community is assessed on a number of grounds, reflecting its composition, structure, functional status, the presence of rare species of plants, the degree and type of rarity. All сcommunities are recommended for protection at the regional level. The basis for the monitoring of their condition is provided. Information about the regional rare galophytic communities are provided for the first time.

In this article the information extending the submission about dissemination of the Saratov region several protected halophytes plants species is provided. New data about the number of cenopopulations some species of saline soils and communities with their participation is considered. Two new plants species are recommended for inclusion in the third edition of the Saratov region Red Book.

The article presents the materials of the distribution of five species of the Lemnaceae in the Saratov region on the basis of materials of herbarium SSU (SARAT) and authors’ field notes.

Provides information about finding new species of flora of the Saratov region Hibiscus triynum and Thesium moesiacum, and clarifies the distribution of rare in the Saratov region Sonchus palustris and Conringia orientalis.

This article devoted to the patterns of Adonis wolgensis coenopopulations in the Saratov region. The number of coenopopulation, habitats  ecology, ontogenetic structure and the degree of anthropogenic transformation are considered. .

The article discusses the importance of the Red Book for the preservation of biological diversity of rare and endangered species in the Saratov region. It is noted that at the present time 578 species of plants, fungi and animals are critically endangered.

Procedure of formation of the list of rare and endangered species of plants, mushrooms and animals of the Saratov region for their entering in the third edition of the regional Red Book are shown. Categories of protection of rare species are offered and methodical recommendations about science-based definition of their nature protection status are stated. The structure of specific outlines and content of their illustrative material are given.