Plant diversity in natural forest of Guilan Rural Heritage Museum in Iran

Abedi, Roya; Pourbabaei, Hassan

doi:10.13057/biodiv/d110403

Cited by 5 publications

(9 citation statements)

References 21 publications

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“…Basal area was considered for dominancy and relative dominance (RD) calculated by: RD = (basal area of a species × 100) / total basal area of all species. The species diversity index was computed using the Shannon-Wiener information function (Krebs 1999;Sharma et al 2009;Abedi and Pourbabaei 2010;Pourbabaei et al 2012) as: H'=-Σn i /n log 2 n i /n, where: n i = denote to the SIV of a species and n= denote to the sum of total SIV of all species. The species evenness index was computed using the Pielou's evenness index (J) as: J = H' / ln S, where ln is Natural logarithm, S is the total species number in each plot.…”

Section: Discussionmentioning

confidence: 99%

Effects of timber harvest on structural diversity and species composition in hardwood forests

Tavankar

Bonyad

2014

Biodiversitas

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Tavankar F, Bonyad AE. 2015. Effects of timber harvest on structural diversity and species composition in hardwood forests. Biodiversitas 16: 1-9. Forest management leads to changes in structure and species composition of stands. In this research vertical and horizontal structure and species composition were compared in two harvested and protected stands in the Caspian forest of Iran. The results indicated the tree and seedling density, total basal area and stand volume was significantly (P < 0.01) higher in the protected stand. The Fagus orientalis L. had the most density and basal area in the both stands. Species importance value (SIV) of Fagus orientalis in the protected stand (92.5) was higher than in the harvested stand (88.5). While, the SIV of shade-intolerant tree species such as Acer insigne, Acer cappadocicum and Alnus subcordata was higher in the harvested stand. The density of trees and seedling of rare tree species, such as Ulmus glabra, Tilia begonifolia, Zelkova carpinifolia and Fraxinus coriarifolia, was also higher in the protected stand. The Shannon-Wiener diversity index in the protected stand (0.84) was significantly higher (P < 0.01) than in the harvested stand (0.72). The highest diversity value in the harvested stand was observed in DBH of 10-40 cm class, while DBH of 40-70 cm had the highest diversity value in the protected stand.

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Section: Discussionmentioning

confidence: 99%

Effects of timber harvest on structural diversity and species composition in hardwood forests

Tavankar

Bonyad

2014

Biodiversitas

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“…All recorded data were stored in the Microsoft Excel database and Microsoft Excel Statistics were used to analyze quantitatively. The vegetation structure is identified as girth, height class distribution, forest stand density and stands diameter (Giriraj et al 2008;Abedi and Pourbabaei 2010;Naidu and Kumar 2016;Park et al 2018).…”

Section: Discussionmentioning

confidence: 99%

“…The next step was to identify and compare to the identification book of species in the natural forest. The various publications were used as references to identify the observed and collected plants (Odum 1998;Giriraj et al 2008;Abedi and Pourbabaei 2010;Naidu and Kumar 2016;Kusumo 2016;MoEF 2017;Suryana 2018;Lillo et al 2019;Amiri 2019;Addi et al 2020;Lillo et al 2020).…”

Section: Methodsmentioning

confidence: 99%

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Plant diversity of Petungkriyono Forest of Dieng Plateau, Central Java, Indonesia

2021

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Abstract. Damayanti I, Nurbambang A, Soeprobowati TR. 2021. Plant diversity of Petungkriyono Forest of Dieng Plateau, Central Java, Indonesia. Biodiversitas 22: 3497-3507. Petungkriyono is one of the remaining forests considered as the key biodiversity site in Central Java, Indonesia. The study aimed to analyze the composition, structure, and diversity of flora. The research used 60 circular plots with 0.04 hectares on five sites: Tlogopakis, Kasimpar, Yosorejo, Kayupuring, and Tlogohendro. The result indicated that the forest was dominated by 54.6% mixed forests, 29.1% pine forests, 10.7% puspa forests, and 5.6% unproductive areas. A total of 979 individuals belong to 108 species, among 88 genera and 43 families. The dominant family was Moraceae (32.6%) and has 10 species of Ficus spp as a key pioneer in a dry habitat. According to the Red List, the International Union for Conservation of Nature (IUCN), there were 4 species categories of endangered species (EN), 11 species as vulnerable category (VU), 46 species as least concern (LC), and 45 species not evaluated (NE). The horizontal and vertical structure of trees was dominated by 10-20 cm diameter classes and 82% at a medium level of the Shannon-Weiner index (H’). The conclusion is that plant diversity plays a significant role to maintain ecosystem stability, therefore conservation activities have to be developed properly. Ecosystem services are produced in the social-ecological system to increase human well-being and resilience.

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“…The Caspian Sea constitutes the southern limit of the study area. The climate is humid and very humid with cool winter according to Eumberger climate classification (Abedi and Pourbabaei 2010). Guilan has a humid subtropical climate with by a large margin the heaviest rainfall in Iran reaching as high as 1,900 mm in the southwestern coast and generally around1, 400 mm.…”

Section: Study Areamentioning

confidence: 99%

Plant species diversity among ecological species groups in the Caspian Sea coastal sand dune; Case study: Guilan Province, North of Iran

Ravanbakhsh

Amini²,

Hosseini

2014

Biodiversitas

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Biodiversity is often discussed in terms of species diversity is concentrated. Species diversity is one of the important characteristics of biological communities and its as a function of the number and size represent populations of species in a special geographic region.The aim of this study was to identification of ecological species groups and investigates the diversity among ecological species groups. The research area comprises a coastal dune system in northern of Guilan Province, Iran. Vegetation sampling was carried out along 22 shore perpendicular transects, approximately 500-m long. A total of 62 plot of 25 square meters were taken in transects. In each sampled plot, the cover percentage value of each species was estimated using Bran-Blanquet scales. Vegetation classified using Two-Way Indicator Species Analysis (TWINSPAN). The comparison of diversity indices among groups were performed with ANOVA test. The results revealed that there were 232 plant taxa and 8 ecological species group in the region. Results of analysis of variance in species diversity indices showed significant differences among the groups in terms of biodiversity indices. The survey of variation in the groups showed that groups 5 and 6 had the highest and groups 1, 2, 3, and 7 had the lowest indices. Checking of the group's position with high diversity in comparison with other groups in this coastal area indicates that the group settled on the coastal land with stabilized soil and proper distance from the sea had higher diversity indices.

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Plant diversity in natural forest of Guilan Rural Heritage Museum in Iran

Cited by 5 publications

References 21 publications

Effects of timber harvest on structural diversity and species composition in hardwood forests

Effects of timber harvest on structural diversity and species composition in hardwood forests

Plant diversity of Petungkriyono Forest of Dieng Plateau, Central Java, Indonesia

Plant species diversity among ecological species groups in the Caspian Sea coastal sand dune; Case study: Guilan Province, North of Iran

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