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Contemporary Problems of Ecology

2003 year, number 4

1.
Euglenoidina Algae (Euglenophyta) of the Karasuk River (Novosibirsk Region)

S. P. SHAULO, T. A. SAFONOVA

Abstract >>
The algae composition of Euglenophyta division of the steppe river Karasuk has been studied. 94 species, 27 varieties and forms from 16 genera, 5 families, 2 orders and 1 class have been found.  Zonal peculiarities of the taxonomic structure of the division, have been noted, the distribution pattern of euglenophytes across ecotopes is shown, their role in the phytoplankton numbers and biomass has been estimated, and attachment of species of this division to sites of the river with an increased biotic contamination has been established.
																								



2.
New and Rare Alga Species from Water Bodies of the Kuznetsk Hollow

O. V. TULCHINSKAYA, T. A. SAFONOVA

Abstract >>
Data on rare or new (for West Siberia) algae (38 species and 5 varieties) found in 1995
																								



3.
Algal Flora of the Uvs-Nuur Lake

Yu. V. NAUMENKO

Abstract >>
The paper represents the first report on the algal flora of the lake Uvs-Nuur (Tuva Republic, Russia) in which 202 specific and intraspecific taxa belonging to five divisions have been found. Diatoms and blue-green algae dominate in the lake. The results of systematic and ecological analysis of the lake algae are presented.
																								



4.
Phytoplankton of Water Bodies of the River Molodo Basin (Yakutia)

V. A. GABYSHEV, P. A. REMIGAILO

Abstract >>
A taxonomic analysis of plankton communities of algae in the water bodies of the Molodo river (left-hand tributary of the Lena river) has been carried out. Characteristics of quantitative development of plankton algae of various water bodies of the river basin and the composition of structure-forming complexes are given. It has been established that the influence of precious metal extraction activities of the complex on the phytoplankton in the site of studies is limited by the settler water body.
																								



5.
Some Evidance of the Reproduction of Asterionella Formosa (Bacillariophyta) in Baikal

G. I. KOBANOVA, L. R. IZMEST’EVA

Abstract >>
A new mode of reproduction of Asterionella formosa is discovered in living natural material. The new data on the reproduction of plankton diatom improve our understanding of the biology and ecology of the species. Original micrographs of consecutive stages of development of sister cells were obtained using light microscope
																								



6.
Peculiarities of Macromycetes Biota in Communities of Mesophilous-Herbaceous Birch-Pine Forests of South Siberia

N. V. PEROVA, I. A. GORBUNOVA, A. Yu. KOROLYUK

Abstract >>
Comprehensive mycological-geobotanic studies of the basic vegetation types of South Siberia have been started. The species composition of the fungal communities of mesophile herbaceous birch-pine forests has been studied where on eight 20  20 m pilot sites censuses of mushrooms were carried out from May to September. 325 macromycetes species have been found, their abundance and ecological attachment have been estimated. Analysis of their distribution across key sites has been carried out
																								



7.
Structure of Trophic Groups of Macromycetes of Aspen-Fir Forests of the Salair

N. V. PEROVA

Abstract >>
Macrobiota of the aspen-fir forests of the Salair consists of 237 species from 64 genera, 16 families and 5 orders. The found fungi species have to be considered as belonging to 8 trophical groups: mycorrhiza-formers (32%), humus saprotrophs (8%), litter saprotrophs (23%), xylotrophs (32%), coprotrophs (2%) and carbo-and briotrophs (3%).
																								



8.
Species Composition of Micromycetes Parasitizing on Arboreal Plants of Rosaceae Family

M. A. TOMOSHEVICH, I. G. VOROBYEVA

Abstract >>
The species composition of micromycetes on arboreal plants of Rosaceae family has been studied. Dominant species and genera of pathogens have been determined. A description of microscopic fungi is presented.
																								



9.
Powdery Mildews (Erysiphales Order) in Green Plantations of Novosibirsk

M. A. TOMOSHEVICH

Abstract >>
Powdery mildews (Erysiphales) in green plantations of Novosibirsk city have been studied. Differences in the development of powdery mildews on arboreal plants introduced in the arboretum of the Central Siberian Botanical Garden situated within the green zone of Novosibirsk and in plantations growing in industrial districts of the city are compared. A description of micromycetes is presented.
																								



10.
Species Composition of Lichens on Cliff Drawings and Mounds in the Altai Mountains

N. V. SEDELNIKOVA

Abstract >>
The species composition of lichens covering the petroglyphs, stone placers of mounds and other monuments of ancient arts has been studied. 193 lichen species from 57 genera, 25 families and 6 orders have been defined. The species Arthonia lapidicola (Tayl.) Branth et Rostr., Opegrapha gyrocarpa Flot., Verrucaria subumbrinula Vain. Turned out to be new for Siberia, Arthopyrenia inconspiqu a Lahm. ap. Koerb was new for Russia and Asia, Verrucaria cataleptoides Nyl. New for Asia and Siberia
																								



11.
Species Diversity of Lichens of the Novosibirsk Science Center

N. V. SEDELNIKOVA, E. V. SVIRKO

Abstract >>
The lichen flora of the Novosibirsk Science Center for which limited data on lichens had been available, was studied. Defined were 165 species from 61 genera and 28 families. An influence of atmospheric pollution on lichens of some habitats has been found.
																								



12.
Epilithic Lichens of East Sayan Region

T. V. MAKRYI, S. E. VORONYUK

Abstract >>
Peculiarities of distribution of epilith lichens in various ecotopes of the East Sayan region (within the Irkutsk oblast) are considered. Complexes of species found in the Irkutsk-Cheremkhovo plain (on rocky riverbanks) and in the piedmonts and spurs of ranges of the East Sayan (in closed mountain river valleys, in forests under the forest canopy and on open stony placers in upper parts of hillsides) are characterized. Totally, 172 species and subspecies of epilith lichens belonging to 75 genera and 39 families were found: among them, there were crustose, 50 foliose, 4 fruticose lichens. 13 species were
																								



13.
Distribution of Lichens Across Various Substrates in the Vicinities of the Novosibirsk Science Center

E. V. SVIRKO

Abstract >>
Attachment of lichen species to various substrates was studied and analyzed. Studied were 35 arboreal species, soil, litter and buildings.
																								



14.
Lichen Flora of Southern Subtaiga (Tara District of the Omsk Region)

N. V. PLIKINA

Abstract >>
Lichen flora of southern subtaiga (Tara district of the Omsk Region) was studied. Used as materials were collections made by the author and by the students of the Pedasgogical University during the summer season of 1973
																								



15.
Lichens of National Nature Park

L. N. PORYADINA

Abstract >>
Some results of research of lichen flora in National Nature Park (NNP)
																								



16.
Peculiarities of Lichen Flora of the Southern Taiga Subzone of the Tomsk Region

N. M. KOVALEVA

Abstract >>
Lichens of hydromorphous landscapes of the southern taiga subzone of the Tomsk Region have been studied. 276 species from 69 genera, 32 families and 10 orders have been defined. The species Usnea silvatica Mot. Is new for Siberia.
																								



17.
Lichens of Forest and Swamp Phytocenoses of the South-East of the Tomsk Region

V. V. KONEVA (RUDENKO)

Abstract >>
Despite the plain character of the territory, regions of south-east of the Tomsk Region are characterized by a great diversity of vegetation communities whose inseparable component are lichens. Studies of lichen flora of some forest and swamp phytocenoses have made it possible to elucidate the distribution pattern of lichens in these plant communities.
																								



18.
The Terricolous Lichen Synusia in Vegetative Cover of the Middle Reaches of Hoito-Gol River (East Sayan)

S. A. PRISTYAZHNYUK, M. Yu. TELYATNIKOV

Abstract >>
Surface lichen synusiae of the eastern part of the East Sayan (middle reaches of Hoito-Gol river) were studied. The system of surface lichen synusiae of the Yamal subarctic including 2 formions, 4 federations, 13 unions and 83 societetes is presented. Lchenological characteristics of the main types of plant communities are given.