Humic substances formation as a result of biogenic-abiogenic interactions in epiphytic structures of the south vietnam tropical forest

Oksana A. Rodina, Evgeny V. Abakumov, Alen K. Eskov, Nikolay G. Prilepskiy

Research output: Chapter in Book/Report/Conference proceedingChapterResearchpeer-review

1 Scopus citations

Abstract

There are a number of ways to implementation the epiphytic biogenic-abiogenic interaction in plant communities. Epiphytic plants form a special type of organic or organo-mineral substrate—suspended soils. This study is devoted to the investigation of the biogenic-abiogenic interactions in epiphytic formations and characteristic of the suspended soils, which are formed in them with special reference to the assessment of stabilization rates and structural composition of humic acids in the suspended soil in tropical forests of South Vietnam. General properties of the soil and the elemental composition of suspended soils were determined, and the humic substance chemical composition was evaluated using solid state 13C-NMR. The soils formed by epiphytes show a positive correlation in the isotopic composition of nitrogen with epiphyte tissues and to a greater extent with forophyte tissues and, probably, take part in their nitrogen nutrition, concentrating zoogenic nitrogen due to ant presence. The most comparable soil type in terms of organic matter composition is Cambisols from humid forests of subboreal and subtropical zones. The results we obtained are consistent with the concept of soil organic matter stabilization: the proportion of aliphatic compounds in the component composition in bulk organic matter is higher than in humic acids, isolated from soils investigated. Thus, it can be concluded that in suspended soils soil organic matter stabilization processes active and expressed in formation and accumulation of humic substances.

Original languageEnglish
Title of host publicationProcesses and Phenomena on the Boundary Between Biogenic and Abiogenic Nature
Subtitle of host publicationConference proceedings
EditorsOlga V. Frank-Kamenetskaya, Dmitry Yu. Vlasov, Elena G. Panova, Sofia N. Lessovaia
Place of PublicationCham
PublisherSpringer Nature
Pages417-434
Number of pages18
ISBN (Electronic)9783030216146
ISBN (Print)9783030216139
DOIs
StatePublished - 2020
EventVI International Symposium "Biogenic-abiogenic interactions in natural and anthropogenic systems", devoted to the 150th anniversary of the Saint-Petersburg Naturalists Society - СПбГУ, Saint-Petersburg, Russian Federation
Duration: 24 Sep 201827 Sep 2018
Conference number: VI

Publication series

NameLecture Notes in Earth System Sciences
ISSN (Print)2193-8571
ISSN (Electronic)2193-858X

Conference

ConferenceVI International Symposium "Biogenic-abiogenic interactions in natural and anthropogenic systems", devoted to the 150th anniversary of the Saint-Petersburg Naturalists Society
Country/TerritoryRussian Federation
CitySaint-Petersburg
Period24/09/1827/09/18

Scopus subject areas

  • Computers in Earth Sciences
  • Earth and Planetary Sciences(all)

Keywords

  • Epiphytic formations
  • Epiphytic soils
  • Organic matter
  • Soils
  • Stabilization
  • Suspended soils

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