INVESTIGATION OF RELATION BETWEEN SOME PHYSICAL AND CHEMICAL SOIL PROPERTIES AND MARGINAL VEGETATION COMMUNITIES OF PLAYA (CASE STUDY: SOUTHERN PART OF KASHAN'S PLAYA)

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NASERI H.R.; AZARNIVAND H.; ZEHTABIAN GHOLAM REZA; AHMADI HASAN; JAFARI MOHAMMAD

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Journal: Journal of Rangeland Year:2010 | Volume:3 | Issue:4 Page(s): 652-667

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Title

INVESTIGATION OF RELATION BETWEEN SOME PHYSICAL AND CHEMICAL SOIL PROPERTIES AND MARGINAL VEGETATION COMMUNITIES OF PLAYA (CASE STUDY: SOUTHERN PART OF KASHAN'S PLAYA)

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SOIL PROPERTIESQ2

ORDINATIONQ2

CLASSIFICATIONQ2

MULTIVARIATE ANALYSISQ2

PLAYAQ3

Abstract

More than 90% of 165 millions hectares of Iran's surface area are located at Iran plateau and nearby seven millions hectares are salty and desert region. There are 60 PLAYAs in Iran embracing different geological structure. Most researches on these PLAYAs are inthe field of geology and meteorology. Marginal region of PLAYA shows clear environment gradients. Analysis of relationships between vegetation and environmental conditions in the PLAYA of Kashan region is the aim of this study. Vegetation samples were taken from 35 modified Witthaker plots and cover, density, frequency of all species were recorded in the plots. Soil samples also were takenat the same time from the plots and some chemical and psychical properties of soil were indicated through common methods. sixty species from 16 families were collected. The largest families were Chenopoiaceae, Graminaceae and Compositae, representing 16.6%, 15%and 13.3% of the total flora, respectively. Vegetation was classified via two-way indicator species analysis (TWINSPAN) techniques and six vegetation groups were recognized. ORDINATION techniques as detrended correspondence analysis (DCA) and canonical correspondence analysis (CCA) were used to examine the relationship between the vegetation and environmental parameters. CLASSIFICATION of TWINSPAN was confirmed by results. Analysis with DCA and CCA, suggesting that there is a relatively strong correspondence between vegetation and environmental factors. CCA axis 1 was highly associated with carbonate, EC, bicarbonate, K/Na, Ca/Na; lime Ca/Mg, Cl and pH while CCA axis 2 showed significant correlation with pH, calcium, gyps, clay and bicarbonate. These gradients were related closely to the first two canonical axes, and accounted for 24.8% of the species–environment relationship in the study sites.

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APA: Copy

NASERI, H.R., AZARNIVAND, H., ZEHTABIAN, GHOLAM REZA, AHMADI, HASAN, & JAFARI, MOHAMMAD. (2010). INVESTIGATION OF RELATION BETWEEN SOME PHYSICAL AND CHEMICAL SOIL PROPERTIES AND MARGINAL VEGETATION COMMUNITIES OF PLAYA (CASE STUDY: SOUTHERN PART OF KASHAN'S PLAYA). RANGELAND, 3(4), 652-667. SID. https://sid.ir/paper/136279/en

Vancouver: Copy

NASERI H.R., AZARNIVAND H., ZEHTABIAN GHOLAM REZA, AHMADI HASAN, JAFARI MOHAMMAD. INVESTIGATION OF RELATION BETWEEN SOME PHYSICAL AND CHEMICAL SOIL PROPERTIES AND MARGINAL VEGETATION COMMUNITIES OF PLAYA (CASE STUDY: SOUTHERN PART OF KASHAN'S PLAYA). RANGELAND[Internet]. 2010;3(4):652-667. Available from: https://sid.ir/paper/136279/en

IEEE: Copy

H.R. NASERI, H. AZARNIVAND, GHOLAM REZA ZEHTABIAN, HASAN AHMADI, and MOHAMMAD JAFARI, “INVESTIGATION OF RELATION BETWEEN SOME PHYSICAL AND CHEMICAL SOIL PROPERTIES AND MARGINAL VEGETATION COMMUNITIES OF PLAYA (CASE STUDY: SOUTHERN PART OF KASHAN'S PLAYA),” RANGELAND, vol. 3, no. 4, pp. 652–667, 2010, [Online]. Available: https://sid.ir/paper/136279/en

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