Dendrochronological Indication of Landscape Spatiotemporal Organization in the Northern Taiga of West Siberian Plain and Elbrus Region: Astrophysical and Geophysical Drivers of Bioproductivity

2020 ◽  
pp. 289-309
Author(s):  
Kirill N. Dyakonov ◽  
Yury N. Bochkarev
Keyword(s):  
Northern Taiga ◽  
West Siberian Plain ◽  
Spatiotemporal Organization

scholarly journals On some physical and chemical properties of soils of sandy outcrops of the West Siberian northern regions

2018 ◽  
Vol 10 (1) ◽  
Author(s):  
Olga A. Kapitonova ◽  
Kristina Yu. Aksarina
Keyword(s):  
Chemical Properties ◽  
Sandy Soils ◽  
Northern Taiga ◽  
Gradual Transition ◽  
West Siberian Plain ◽  
Physical And Chemical Properties ◽  
The West ◽  
Forest Tundra ◽  
Physical And Chemical ◽  
And Chemical Properties

The ancient aeolian forms of relief, which are mainly covered with pineries and coniferous forests, are widely spread in the territory of Western Siberia. Anthropogenic transformation of these landscapes leads to the formation of technogenic deserts and sandy outcrops on soils of light mechanical structure generally because of the development of oil and gas extraction industry. Such transformed ecosystems are often met in the north of the West Siberian Plain within a subzone of northern taiga of the taiga natural zone and the zone of the forest-tundra. In 2016–2017, we explored three sites of sandy outcrops in the territory of Purovsky District of Yamalo-Nenets Autonomous Okrug (Tyumen region): in 27 km to the south from Muravlenko, in 32 km to the southwest from Gubkinsky and in 23 km to the East-southeast of New Urengoy. The first two sites are located within the northern taiga; the third site is at the southern border of the forest-tundra, in the area of its gradual transition to the northern taiga. Results of the conducted researches show the considerable changes in a number of physical and chemical properties of podsolic sandy soils of technogenic deserts in comparison with soils of undisturbed ecosystems. We have revealed statistically significant decrease in the acidity of the surface soil layer to 5–6 units рН due to the destruction of the top soil horizons and exposure of the illuvial and eluvial horizons having smaller acidity. Our researches show the reduction of maintenance of fine fractions – clay and dusty particles – in the transformed soils and, respectively, increase in content of sand up to 95–100%. Also we have revealed statistically significant reduction of soil moisture content in soils of sandy outcrops.  Thus, the soils of technogenic deserts are characterized by ease, flowability, they are usually not fixed by vegetation and easily are affected by wind. The ecotopes, which are formed on sandy outcrops, differ in extreme conditions. They can be mastered only by a small number of specialized species-erosiophiles, shifting to disturbed felted habitats with similar natural ecotopes with the friable sandy and sabulous sandy soils, often mobile soil typical of marine and lake shallows, river alluvium, taluses, slopes of ravines. On the periphery of sandy outcrops the shafts of falling up to 4,5–5,5 m high are formed. They constitute the real danger to natural undisturbed north taiga and forest-tundra ecosystems, burying them under sandy masses.

scholarly journals A contribution to the moss and hepatic flora of Nature Park “Numto” (Khanty-Mansi Autonomous District, Western Siberia)

2018 ◽  
Vol 9 (1) ◽  
pp. 3-21 ◽  
Author(s):  
Lapshina D. Elena ◽  
Ilya V. Filippov ◽  
Elena L. Verevkina
Keyword(s):  
Western Siberia ◽  
Northern Taiga ◽  
West Siberian Plain ◽  
The West ◽  
Sphagnum Mosses ◽  
Autonomous District ◽  
Annotated List ◽  
Nature Park ◽  
First Time ◽  
Khanty Mansi Autonomous

During the geobotanical survey of the vegetation of the southern part of the Nature Park "Numto", located within the subzone of the northern taiga in the center of the West Siberian Plain, 140 species of bryophytes, including 87 species of mosses and 53 species of liverworts, of which 24 species of mosses and all liverworts are new to the territory of the Nature Park. Two species of sphagnum mosses – Sphagnum inexpectatum and S. mirum – are the most important finds for the Western Siberia. Sphagnum inexpectatum is listed for the first time for the territory of Khanty-Mansi Autonomous District. The information on ecology and phytocenotic confinement of 18 species of mosses, known earlier in the Nature Park from one point or on a few and single finds, is supplemented. An annotated list of all identified species of bryophytes is given.

(A review) N. I. Makunina. The forest-steppe vegetation of the West Siberian plain and the Altai-Sayan mountain region. Novosibirsk: Academic publishing house “Geo”, 2016. 183 p.

2017 ◽  
pp. 116-118
Author(s):  
E. A. Volkova
Keyword(s):  
Plant Communities ◽  
Publishing House ◽  
Mountain Region ◽  
Academic Publishing ◽  
Forest Steppe ◽  
West Siberian Plain ◽  
The West ◽  
Steppe Vegetation ◽  
Floristic Classification ◽  
Sayan Mountain

The monograph presents an overview of the forest-steppe vegetation of the West Siberian Plain and the Altai-Sayan mountain region. The questions of bioclimatic zonation of the Altai-Sayan mountain region are discussed. The biodiversity of foreststeppe is characterized, the floristic classification is performed, the scheme of eco-phytocoenotic classification is given, the basic types of plant communities are described in comparative terms. The diversity of forest-steppe landscapes is revealed, the structure of their vegetation is analyzed. The phytogeographical division of forest-steppe is worked out.

(A review) N. I. Makunina. The forest-steppe vegetation of the West Siberian plain and the Altai-Sayan mountain region. Novosibirsk: Academic publishing house “Geo”, 2016. 183 p.

2017 ◽  
pp. 114-116
Author(s):  
B. M. Mirkin ◽  
L. G. Naumova
Keyword(s):  
Plant Communities ◽  
Publishing House ◽  
Mountain Region ◽  
Academic Publishing ◽  
Forest Steppe ◽  
West Siberian Plain ◽  
The West ◽  
Steppe Vegetation ◽  
Floristic Classification ◽  
Sayan Mountain

The monograph presents an overview of the forest-steppe vegetation of the West Siberian Plain and the Altai-Sayan mountain region. The questions of bioclimatic zonation of the Altai-Sayan mountain region are discussed. The biodiversity of foreststeppe is characterized, the floristic classification is performed, the scheme of eco-phytocoenotic classification is given, the basic types of plant communities are described in comparative terms. The diversity of forest-steppe landscapes is revealed, the structure of their vegetation is analyzed. The phytogeographical division of forest-steppe is worked out.

Function of distribution of clouds’ optical thickness over the West Siberian Plain

2011 ◽  
Vol 436 (1) ◽  
pp. 113-116 ◽  
Author(s):  
D. N. Troshkin ◽  
M. V. Kabanov ◽  
V. E. Pavlov ◽  
A. N. Romanov
Keyword(s):  
Optical Thickness ◽  
West Siberian Plain ◽  
The West
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