Study of Phyto-bioclimatic of Zygophyllum atriplicoides using multivariate statistical methods and GIS in Isfahan Province

Fatemi Azarkhavarani, S. (2012) Study of Phyto-bioclimatic of Zygophyllum atriplicoides using multivariate statistical methods and GIS in Isfahan Province. Masters thesis, university of zabol.

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ygophyllum atriplicoides is one the most important species of Iran country range and by hy value of dispersion, the present of covering by accumulation of plant keeps the soil against the erosion of water and wind and it is important to provide the one part of forage for domesticated in spring and summer seasons.The area that is study in Isfahan Province is 106179 Km2 extent and geography special features 30° 42´ to 34° 30´ north width, 40° 36´ to 55° 54´easter width. Height intense changes from less of 700 to more than 4000 meter that cause’s different climates sovereignty from hyper arid to humid around the province, and has provided different habitats for Z. atriplicoides. This research is going to study the most important factor affecting the dispersal of Z. atriplicoides by using statistical methods in Isfahan Province. So the number 69 climate variable in order to ecological requirement of these species are was investigated and the factors that are affecting on specie dispersion are studding in Factor Analysis, four factors cooling temperature, precipitation, cloudy and wind are determined, It is allocated 34.45, 29.43, 11.79 and 9.07 the percent of variance variable sequential, that repeat 84.74 percent of changes totally. The average of factor score and climate variables are determined in 3 types of Z. atriplicoides as prevailing specie, Z. atriplicoides as a follow and the area that are clean of Z. atriplicoides. Also Factor score matrix was used as input data of Hierarchical cluster analysis (ward) and the number of 6 climate zones was identified in Province. By combination of vegetation map and factors and climatic zonation maps in the GIS environment, the most important factors that are affecting on Z.atriplicoides distribution were determined, and beside the climatic factors the effect of altitude from the sea surface is also analyzed the result showed that temperature factor is the most important affective climate factor on Z.atriplicoides distribution in Isfahan Province, and after precipitation factor affected specie distribution, also we cannot ignore the altitude effect from the sea surface, soil saltiness on Z.atriplicoides types analyze.

Item Type: Thesis (Masters)
Uncontrolled Keywords: Multivariate Statistical Methods, Zygophyllum atriplicoides, Factor Analysis, Cluster Analysis, GIS, Isfahan Province.
Subjects: S Agriculture > SB Plant culture
Depositing User: admin admin1 admin2
Date Deposited: 29 May 2017 07:14
Last Modified: 29 May 2017 07:14

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