In the article is resulted a list of 209 species of basidiomycete macromycetes, discovered in various forest-steppe communities
on the territory of the forest-steppe zone of the eastern part of the South Minusinsk hollow (Minusinsk area,
Krasnoyarsk region), with the information on their occurrence in various vegetative communities and on their vegetation
periods.
Th e data on three nemoral species newly revealed in the mycobiota of Siberia are presented. Th e article discusses the
morphology, ecology and distribution of Melanophyllum eyrei (Massee) Singer, Cystolepiota bucknallii (Berk. et
Broome) Singer et Clemencon, Lepiota grangei (Eyre) J.E. Lange in Siberia, Russia, in the world. Th e information
about new locations and distribution of Agaricus xanthodermus Genev. are presented.
Th e taxonomic structures of groupings of soil photoautotrophs (algae) primary substrate formed in the various
geographical area is investigated. Th e general tendencies of taxonomic structure of algal groupings dry high-water
bed of Tuva, alluvial sand in career on the bank of the river Ob and hard rock of the Tien Shan are revealed.
Th e basic types of vegetation communities on Taradanovsky, Azhendarovsky and Saltymakovsky mountain ridges are
described. Th ey belong to 5 associations and 1 community from 4 classes of Braun-Blanquet classifi cation. Th e spatial
structure of every mountain ridge is characterized.
Th e histochemical analysis of the mature ovule was performed in the species of Trollius asiaticus L. and T. ledebourii
Reichenb. Distribution of carbohydrates and RNA/DNA ratio were studied. It was found that halazal nucellus area
had a complex organization, and formed an atypical podium consisting of morphologically different cells.
Histochemical diff erences in them are minimal.
X-ray fl uorescence analysis using synchrotron radiation (SR XRF) was applied to determine element composition in
the aboveground part of Pentaphylloides fruticosa (bush cinquefoil) and Lonicera caerulea subsp. altaica (Pall.) Gladkova
(blue honeysuckle), growing in a highly seismic zone. Th e total content of microelements in P. fruticosa is
higher than the control one, and in L. сaerulea it is lower. It has been revealed that the ratio between separate elements
undergo considerable changes. Th e Fe/Mn, Ca/Sr, Cu/Zn, and K/Rb ratios were observed to be violated for the
plants of the anormalous zones. It is noticed that two kinds of a bush react to changes of geochemical and geophysical
characteristics of environment diff erently.
Results of biochemical research of two Siberian species of genus Nitraria L. - N. schoberi L. and N. sibirica Pall. are
presented. It is established that leaves and fruits of plants contain a rich complex of biologically active substances:
fl avonols, tannins, catechins, anthocyans, pectin substances, sugars and possess antioxidative activity. Almost on all
biochemical indices leaves and fruits N. sibirica surpass in N. schoberi. Both species represent defi nite interest for
medical and food industry. Researches of biologically active substances N. schoberi and N. sibirica growing in Siberia
are spent for the fi rst time.
An individual-group composition of biologically active phenolic compounds of blue honeysuckle leaves was studied
in the geoactive zone of the Altai Mountains. In Lonicera caerulea L. s. l. micropopulation in the zone of an active
tectonic fault a more intensive accumulation of the basic individual ingredients of biofl avonoids in leaves was
observed along with increase in a dispersion of stable signs of a honeysuckle.
A comparative analysis of the main groups of biologically active compounds in the leaves and infl orescences of plants
of nine species of the Spiraea L. genus from Russian Far East natural and introduction populations is carried out.
Widespread species of the genus Spiraea characterized by the high content of active substances. Th e content of
catechins, anthocyanins, saponins and sugars in infl orescences more than the leaves, tannins accumulated more in
leaves. Diff erences of species of the correlation glycosides of quercetin and kaempferol are revealed. Plants S. pubescens
diff erent by the high content of quercetin glycosides (1.61 %) and S. ussuriensis- kaempferol glycosides (1.77 %).
