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Seasonal dynamics of polysaccharides in bark of Ulmus laciniata (Trautv.) Мayr in nutritional aspect of Cervus elaphus xanthopygus (Milne–Edwards) in the south of the Russian Far East (Primorsky Territory)

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1. Title Title of document Seasonal dynamics of polysaccharides in bark of Ulmus laciniata (Trautv.) Мayr in nutritional aspect of Cervus elaphus xanthopygus (Milne–Edwards) in the south of the Russian Far East (Primorsky Territory)
2. Creator Author's name, affiliation, country О. G. Zorikova; Federal Research Center for Biodiversity of Terrestrial Biota of East Asia, Far Eastern Branch of the Russian Academy of Sciences; Russian Federation
2. Creator Author's name, affiliation, country А. Yu. Manyakhin; Federal Research Center for Biodiversity of Terrestrial Biota of East Asia, Far Eastern Branch of the Russian Academy of Sciences; Russian Federation
2. Creator Author's name, affiliation, country M. V. Maslov; Federal Research Center for Biodiversity of Terrestrial Biota of East Asia, Far Eastern Branch of the Russian Academy of Sciences; Russian Federation
2. Creator Author's name, affiliation, country T. О. Markova; Federal Research Center for Biodiversity of Terrestrial Biota of East Asia, Far Eastern Branch of the Russian Academy of Sciences; Russian Federation
3. Subject Discipline(s)
3. Subject Keyword(s) Ulmus laciniata; water-soluble polysaccharides; pectins; seasonal dynamics; Cervus elaphus xanthopygus; Far East of Russia
4. Description Abstract

Ulmus laciniata is a strategic food resource for Cervus elaphus xanthopygus, especially in autumn and spring. The article presents the results of a study of the seasonal content of water-soluble polysaccharides, their monosaccharide composition, extracted from the bark and bast of U. laciniata. Two maxima in content of water-soluble polysaccharides were revealed: during the shoot growth period (June) and a slightly lower one during the preparation for winter dormancy (October). The minimum content is observed during the beginning of the growing season (April–May). Content of pectin substances, unlike water-soluble polysaccharides, changed slightly during the year. The studied groups of substances are classified as the most bioavailable polysaccharides with extensive physiological activity. In addition, the data obtained may explain the feeding behavior of the C. elaphus xanthopygus, which lives in the Primorsky Territory.

5. Publisher Organizing agency, location The Russian Academy of Sciences
6. Contributor Sponsor(s) Ministry of Science and Higher Education of the Russian Federation (075-00355-24-00)
7. Date (DD-MM-YYYY) 10.04.2025
8. Type Status & genre Peer-reviewed Article
8. Type Type Short Communication
9. Format File format
10. Identifier Uniform Resource Identifier https://rjpbr.com/1026-3470/article/view/682155
10. Identifier Digital Object Identifier (DOI) 10.31857/S1026347025010113
11. Source Title; vol., no. (year) Izvestiâ Akademii nauk. Rossijskaâ akademiâ nauk. Seriâ biologičeskaâ; No 1 (2025)
12. Language English=en ru
13. Relation Supp. Files Fig. 1. Cervus elaphus xanthopygus feeding on the bark of Ulmus laciniata: (a) – damage to the trunk of a large lobed elm after removing the bark. Trial plot, UGO. 21.IV.2022. Photo by M. Maslov; (b) – a young male red deer eats the cambium of a large lobed elm. Ussuri Nature Reserve. 21.III.2021. Bushnell camera trap. (54KB)
Fig. 2. Accumulation of water-soluble polysaccharides in the bast and bark of U. laciniata over the course of a year. (19KB)
Fig. 3. Accumulation of pectin substances in the bast and bark of U. laciniata over the course of a year. (22KB)
Fig. 4. Quantitative ratio of individual saccharides in the complex of U. laciniata WPPS, % of the pool of monosaccharide complex of bark and bast. (18KB)
14. Coverage Geo-spatial location, chronological period, research sample (gender, age, etc.)
15. Rights Copyright and permissions Copyright (c) 2025 Russian Academy of Sciences