The diversity of microhabitats and the ecological value of habitat trees in oriental beech stands

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SEFIDI K.; SADEGHI S.M.M.

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Journal: Iranian journal of Forest Year:2020 | Volume:12 | Issue:2 Page(s): 147-160

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Title

The diversity of microhabitats and the ecological value of habitat trees in oriental beech stands

Author(s)

SEFIDI K. | SADEGHI S.M.M. | Issue Writer Certificate

Keywords

close to nature silvicultureQ1

habitat managementQ2

nestQ1

trunk cavityQ1

woodpecker cavityQ1

Abstract

Evaluating the diversity and ecological value of habitat trees is an indicator for assessing the biodiversity in the forest ecosystems. This research was carried out to assess the ecological diversity and ecological value of microhabitats in the oriental beech forests in the compartment 405 of Shir-Ghala, east of Guilan province. For this purpose, three 0. 1 ha sample plots were selected, and within each plot, all live trees and standing deadwoods were recorded to investigate the presence of each microhabitat, and their characteristics including the diameter at breast height, tree height as well as the number and type of microhabitat trees. In order to analyze the status of microhabitat diversity, alpha, beta, and gamma diversity indices, Margalef richness index, Shannon-Wiener, and Simpson diversity indices, and Pielou's evenness index were calculated. In total, 147 microhabitats were identified on 87 habitat trees (equivalent to 24. 2 microhabitats per 100 trees). The most and rarest form of microhabitat were woodpecker cavities and miocrosil, respectively. Trees with the holes consisting of woodpecker cavities, trunk cavities, main branch cavities, and buttress holes account for more than half of the total microhabitat (53%), and often located on live trees (68. 6%) of oriental beech (77. 3%). The mean values of alpha, beta, and gamma diversity indices were 1. 99, 5. 63, and 11, respectively. The amount of the ecological value index of the habitat was calculated to be 2. 13 and the most abundant was found in the DBH class of 10-20 cm. It can be concluded that the conservation and maintenance of habitat trees more than one meter in diameter is recommended to provide the microhabitat and preserve the biodiversity in the forests.

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APA: Copy

SEFIDI, K., & SADEGHI, S.M.M.. (2020). The diversity of microhabitats and the ecological value of habitat trees in oriental beech stands. IRANIAN JOURNAL OF FOREST, 12(2 ), 147-160. SID. https://sid.ir/paper/408949/en

Vancouver: Copy

SEFIDI K., SADEGHI S.M.M.. The diversity of microhabitats and the ecological value of habitat trees in oriental beech stands. IRANIAN JOURNAL OF FOREST[Internet]. 2020;12(2 ):147-160. Available from: https://sid.ir/paper/408949/en

IEEE: Copy

K. SEFIDI, and S.M.M. SADEGHI, “The diversity of microhabitats and the ecological value of habitat trees in oriental beech stands,” IRANIAN JOURNAL OF FOREST, vol. 12, no. 2 , pp. 147–160, 2020, [Online]. Available: https://sid.ir/paper/408949/en

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