Abstract
Epiphytes in man-made forests simulating a mixed tropical forest of South Vietnam are studied. With respect to the number of species, epiphytic orchids are better represented than ferns (six vs. five species); on the other hand, the latter prevail in the number of individuals. A comparison of the floristic composition of the epiphytic community of plantations with a nearby primary forest (Stugrun–Rădulescu index ρsr = 0.68) and two other South Vietnam forests (Ma Da Forestry and Phu Quoc Island; ρsr = 0.61 and 0.71, respectively) did not reveal significant similarities. However, these data indicate that a relatively complex epiphytic community, which can accumulate up to 100 kg/ha of deposited organic matter and plant mineral nutrients in crowns, has been formed in the man-made forests over 20 years.
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Notes
Lemmaphyllum microphyllum twines round a whole tree (although to different extents); therefore, the number of Lemmaphyllum microphyllum specimens in the case under consideration is the same as that of trees on which Lemmaphyllum microphyllum was found.
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ACKNOWLEDGMENTS
The authors thank Igor Palko, a member of the Southern Branch of the Russian–Vietnamese Tropical Center, for providing the photographs.
Funding
This study was supported by the Russian Foundation for Basic Research (grant no. 18-04-00677) under State Assignment no. 118021490111-5 of the Main Botanical Garden, Russian Academy of Sciences, on the basis of the Greenhouse Research Institution and scientific park of the St. Petersburg State University: Resource Center Methods of Analyzing the Composition of Matter. The study of N.G. Prilepsky was supported by state contract no. AAAA-A16-116021660037-7 of the Moscow State University.
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Translated by D. Zabolotny
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Eskov, A.K., Prilepsky, N.G., Antipina, V.A. et al. Formation of Epiphytic Communities in Man-made Forests of South Vietnam. Russ J Ecol 51, 206–214 (2020). https://doi.org/10.1134/S1067413620030078
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DOI: https://doi.org/10.1134/S1067413620030078