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Structural and Functional Organization of Forest Litters as Indicators of Biological Cycling Intensity in Urban Forest Stands (an Example of Moscowстатья
Дата последнего поиска статьи во внешних источниках: 4 июня 2021 г.
- Авторы: Semenyuk O.V., Telesnina V.M., Bogatyrev L.G., Benediktova A.I.
- Журнал: Eurasian Soil Science
- Том: 54
- Номер: 5
- Год издания: 2021
- Издательство: Maik Nauka/Interperiodica Publishing
- Местоположение издательства: Russian Federation
- Первая страница: 592
- Последняя страница: 605
- Оригинальные версии: Использование особенностей структурно-функциональной организации подстилок для оценки интенсивности круговорота в городских насаждениях (на примере Москвы
- DOI: 10.1134/S1064229321050173
- Аннотация: Annual dynamics, composition, and pools of total organic matter and ash elements in litters ofurban forests in Moscow were studied. The destructive litters are shown to prevail in all studied phytocenoses;the share of easily decomposing fraction is high (62–90%), which allows to estimate the cycle intensity as highand typical for similar natural stands. A term “litter implementation” was proposed for a set of abiotic andbiotic processes of litter transformation. Three methods to estimate the litter organic matter involvement intocycling are described. The first method is based on using litters typology. The second method is derived ofthe juxtaposition of litter supply before and after the fall of leaves. The third method presumes the comparisonof easily decomposed and hardly decomposed litter components along with the analysis of litter and detritusfractional composition. It is shown, that with the same type of organic matter decomposition processes, inconventionally standard stands of the botanical garden and park, the characteristics of their seasonal dynamics are determined to a greater extent by the type of edificatory tree than by the nature of anthropogenicimpact. The maximum reserves of litter were found for the maple stands (800 g/m2) in botanical garden, andthe minimum one for the birch stands (250 g/m2) in the park area, which corresponds to the pattern revealedfor the total thickness of the litter. The litters of lime stands are characterized by the largest fraction of leavesand easily decomposed components (about 60%).
- Добавил в систему: Телеснина Валерия Михайловна