Alexey Kudrin

Alexey Kudrin
Komi Scientific Center · Institute of Biology

PhD

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26
Publications
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545
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Publications

Publications (26)
Article
Full-text available
Labile carbon compounds, such as root exudates, can have significant effects on soil communities even in low concentrations. Previous studies have shown that adding labile carbon can significantly affect the abundance and biomass of various groups of soil animals, including nematodes. However, many studies have used excessive quantities of added ca...
Article
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Soil organisms are a crucial part of the terrestrial biosphere. Despite their importance for ecosystem functioning, few quantitative, spatially explicit models of the active belowground community currently exist. In particular, nematodes are the most abundant animals on Earth, filling all trophic levels in the soil food web. Here we use 6,759 geore...
Article
The relative importance of belowground and aboveground energy inputs for the decomposer communities in soil remains largely unknown. In particular, no research has been done on the significance of root-derived resources for nematode communities in boreal forests. In two spruce stands in the taiga zone, we set up a field experiment in which girdling...
Article
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Size‐structured food webs form integrated trophic systems where energy is being channelled from small to large consumers. Empirical evidence suggests that size structure prevails in aquatic ecosystems while in terrestrial food webs trophic level is largely independent of body size. Compartmentalisation of energy channeling according to size classes...
Article
In order to assess the effect of snow cover on the feeding activity of soil detritivores in the middle taiga, a short-term field experiment has been carried out. On the experimental plots in the blueberry-green-moss spruce forest, snow was removed in winter and the feeding activity of soil animals was assessed using the bait-lamina test in the subs...
Article
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Обзор посвящен описанию общепринятых и наиболее часто используемых в современных экологических работах методов исследования почвенных нематод. Рассматриваются методы отбора проб, экстракции, фиксации, изготовления микропрепаратов для морфологической идентификации, методы фиксации нематод для нужд изотопного анализа и молекулярно-биологических работ...
Article
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The role of soil invertebrates in the cycle of substances, soil-forming processes and the provision of ecosystem services is undeniable. Therefore, soil invertebrates are valuable in bioindication studies. Comprehensive research of soil invertebrates in the production area of Mondi Syktyvkar JSC as the largest pulp and paper enterprise in the Europ...
Article
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The results are presented of studies on soil invertebrate communities (nematodes, springtails, and large invertebrates) in shore ecosystems near hydrogen sulfide springs in the valley of the Iska-Shor stream in the Adak reserve and along river valleys at the northern boundary of the taiga zone of the Komi Republic. The taxonomic richness of the stu...
Article
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As the most abundant animals on earth, nematodes are a dominant component of the soil community. They play critical roles in regulating biogeochemical cycles and vegetation dynamics within and across landscapes and are an indicator of soil biological activity. Here, we present a comprehensive global dataset of soil nematode abundance and functional...
Article
Full-text available
In late July 2018, we studied the chemical composition of the water and benthic communities in two hydrogen sulfide springs in the catchment of the Iska-Shor Creek (lefthand tributary of the Usa River), as well as zoobenthos and plankton in the Usa River around the creek’s mouth. Compared to the reference site, water in the springs contained manyfo...
Article
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Focusing on nematodes and their well-developed indices of community, ecosystem structure and function, we investigated the effects of the conversion of rainforest into rubber and oil palm plantations in Sumatra, Indonesia. Land use did not affect the total abundance of litter- and soil-dwelling nematodes, neither in riparian nor in well-drained sit...
Article
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Microarthropod communities (Oribatida, Mesostigmata, and Collembolans) in postagrogenic and tundra soils of the European Northeast of Russia have been characterized. In the postagrogenic soils, developed in places of former cultivation of perennial and annual crops, Collembolans predominate among microarthropods, while Oribatid mites predominate in...
Chapter
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River floodplains are unique nature landscapes. In contrast to zonal communities on watersheds, soil biota of river floodplains is studied in less degree. The research was conducted in the floodplain forests in the European North‐East of Russia and showed high diversity of soil biota in alluvial forest soils. Floodplain forest soils are inhabited b...
Article
Full-text available
Studies on the influence of high levels of radiation on soil fauna were carried out in 2012 in the territory formed as a result of the activity of the enterprise for extraction and production of radium from reservoir water and waste of uranium ore from 1931 to 1956. At present the local radioactive pollution in this area is caused by the presence o...

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