Evaluation of species diversity and spatial distribution characteristics of five dominant plant species in Hamoon wetlands

bidarnamani, fatemeh; shabanipour, mehdi

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Volume 7, Issue 14 (10-2019)

PEC 2019, 7(14): 67-86

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Evaluation of species diversity and spatial distribution characteristics of five dominant plant species in Hamoon wetlands

Fatemeh Bidarnamani ^*

, Mehdi Shabanipour²

university of zabol, zabol , f.bidarnamani@yahoo.com
2- isalamic azad of university arak

Abstract: (3064 Views)

This research aimed to investigate plant species diversity and spatial distribution of five dominant species i.e. Phragmites australis, Tamarix meyeri, Aeluropus littoralis, Aeluropus lagopoides and Cynodon dactylon in Hamoon international wetlands in 2015. To this end, a randomize-systematic sampling method was used according to w pattern by four strip transect at 5000 m² at each station. The study of plant species diversity was carried by Shannon-weaver and Simpson's methods. According to the result of species diversity methods, the most amont of species diversity was observed in third station. The highest value of shannon-weaver and simpson indexes were 1.43 and 0.89 in third station, and the lowest value were 0.67 and 0.38 in first station respectively. In addition, the spatial distribution of five dominant species was carried by using of methods i.e. Morisita, k, Variance to mean ratio, Taylor and Iwao The most amount of P and R² in taylor method in Phragmites australis was 0.007 and 0.921, so that these values was 0.13 and 0.301 in iwao methods respectively. The result of this research showed that distribution pattern of Phragmites australis, Aeluropus lagopoides and Cynodon dactylon were cluster.Distribution pattern were random between Tamarix meyeri and Aeluropus littoralis too. The result of this research showed that there is significant differences between the amounts of shannon-weaver and simpson,s methods., Also the result of distribution methods showed that the efficiency of taylor method was more suitable than iwao method due to higher accuracy for estimating of plants distribution.

Keywords: Phragmites australis, Aeluropus lagopoides, shannon-weaver, taylor, strip transect.

Full-Text [PDF 307 kb] (655 Downloads)

Type of Study: Research | Subject: Special
Received: 2017/10/27 | Accepted: 2018/04/24 | Published: 2019/09/30

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bidarnamani F, shabanipour M. Evaluation of species diversity and spatial distribution characteristics of five dominant plant species in Hamoon wetlands. PEC 2019; 7 (14) :67-86
URL: http://pec.gonbad.ac.ir/article-1-394-en.html

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