Autecology of Zataria multiflora using principal component analysis (PCA) in Fars Province, Iran

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Research Paper 01/02/2014
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Autecology of Zataria multiflora using principal component analysis (PCA) in Fars Province, Iran

Damoun Razmjoue, Hossein Azarnivand, Majid Ayatollahi, Mohammad Jafari, Mahmood Ghafari
J. Bio. Env. Sci.4( 2), 130-140, February 2014.
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Genus Zataria in Iran only has one species, named Zataria multiflora. This plant is known as “Broadleaf Thyme” or “Shirazi Thyme” in southern Iran. It is seen in the central part of south and southeastern Iran. To study the autecology of Z. multifora, data of vegetation cover including canopy cover percentage, density, frequency, plant height and production as well as physical and chemical properties of soil, climate data and physiography of the region were investigated. To determine the relationship between species and environmental factors PCA (Principle Component Analysis) was used. To determine the similarity between sites, considering various factors and applying Wards method, Euclidean distance index was used and cluster analysis (obtained dendrogram) was interpreted. Results showed that considering all factors (vegetation cover, soil and climate parameters) pH, P, and slope had the highest coefficients in the first component, while rainfall and altitude showed the highest coefficient in the second component. About 63/4% of the variation was accounted for by the first component. According to the site ranking charts, Zarrindasht site showed significant differences with Lar and Neyriz sites. According to the results of cluster analysis, a similarity of 94.4% was obtained for Lar and Neyriz sites.


Azarnivand H, Jafari M, Moghaddam M, Khalili A, Zare Chahooki M. 2002. Effect of soil properties and elevation changes on the distribution of two species of sagebrush (Artemisia) (Case study: rangeland areas that Word, and Semnan Branch) Iranian Journal of Natural Resources 56(2-1), 100-93.

Jafari M, Chahooki M, Azarnivand h, Baghestani n, Zahedi A. 2001. Vegetation relations with mountains behind Yazd physical and chemical properties of soil using multivariate analysis. Iranian Journal of natural resources 55(3), 432-440.

Jam-Zad, M. 1994. thyme, Research Institute Forest and Ranglands publicationsm, Tehran 1, 7-5.

HosseinTavassoli M, Jafari M. 2002. Relationship of soil properties in the area with some grassland species Taleghan. Journal of Gorgan University of Agricultural Sciences and Natural Resources. Tenth year. Number One.

Ghahraman, A. 1988. Flora Iran, Tehran University Publications 5.

Mohtashamnia S, Zahedi h. 2007. Steppe Vegetation ordination in relation to soil and topography factors. Journal of Range Management, first year, second edition, summer, 142-158.

Mesdaghi, M. 2000.  Vegetation  Description  and Analysis (translated). Jihad Press University of Mashhad, 278-296.

Baruch Zdravko. 2005. Vegetation environment relationships and classification of savannas in Venezuela, Flora 200, 49-64.

Brotherson J, D. Rasmussen Rd Bluk. 1986. Comparative habiti and community relationship of Atriplex confretifolia and Sarcobatus vermiculatus in Central Utah Great Basin Naturalist 46, 348-357.

El – Sheikh AM, M. Youssef. 1981. HalopHyte and xeropHyte vegetation near al Kharj springs. Journal of College of Science, University of Riyadh 12, 5-21.

KorrouriS, and M Khoshnevis. 2000. Ecological and environmental studies of Iranian Juniperus sites, Research Institute of Deserts and Rangelands press, 208.

Lopez pujol, J Bosch, M Simon, J Blanche. 2004. Allozyme diversity in the tetraploid endmic Thymus loscosii (Lamiaxeae).

Moner M, A, EL-Ghani. 2006. Soil vegetation relationship in a costal desert plain of southern Sinai, Egypt, Journal Arid Environments 55, 607-628.

Shao Eei, &W.L, chang. 2005. Interpretation and discrimination of marshy wetlands by soil factor in the kuan – tunatural park, Taiwan, Environmental Monitoring and Assesment 107, 181-202.

Song A, S Liu, Z Shi, L Dong. 2006. Quantitative classification and ordination meadow in Wolong Nature Reserve. Yang Tong Sheng Tai XueBao 17(7), 117-8.

Sperry J, SHacke U.G. 2002. Desert Shrub water relations with respect to soil Characteristic and plant functional type. Functional Eccology 16, 367-378.

Urbanxzyk S. 1993. Classification and ordination alpine plant communities, sheep Mountain Lemhi County, Idaho, M.S. Thesis. University of Idaho, Moscow, ID. 54.

Wei Q,&, 2008. Relationship between soil characteris and halopHyte vegetation in coastal region of north china. Pak J.Bot 40(3), 1081-1090.

Zhou Z. W Xiaoxue, L Tong. 2007. The numerical fiction of desert Vegtation and soil interpretation in Qitai County, Xingiang.