INVESTIGATION OF CHANGES IN RANGELAND VEGETATION REGARDING DIFFERENT SLOPES, ELEVATION AND GEOGRAPHICAL ASPECTS (CASE STUDY: YAZI RANGELAND, NOOR COUNTY, IRAN)

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SAEEDI GORAGHANI HAMIDREZA; SOLAIMANI SARDO MOJTABA; AZIZI NABI; AZAREH ALI; HESHMATI SARA

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Journal: JOURNAL OF RANGELAND SCIENCE Year:2014 | Volume:4 | Issue:3 Page(s): 246-255

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Title

INVESTIGATION OF CHANGES IN RANGELAND VEGETATION REGARDING DIFFERENT SLOPES, ELEVATION AND GEOGRAPHICAL ASPECTS (CASE STUDY: YAZI RANGELAND, NOOR COUNTY, IRAN)

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Keywords

PLANT COMPOSITIONQ2

PRODUCTIONQ2

TOPOGRAPHIC FACTORSQ2

YAZI RANGELAND OF NOORQ2

Abstract

In many studies, TOPOGRAPHIC FACTORS have been considered as an important factor in establishing the vegetation in different ecosystems. So, it affects vegetation composition and diversity by influencing soil moisture, fertility and soil depth. The aim of this research was to investigate the effects of slope, elevation and geographical aspects on species growth, forage PRODUCTION and vegetation cover in Yazi rangeland, Noor province, Iran. Sampling was done along three transects with the length of 150 m in each unit. Along each transect, 15 plots (1 m2) were established with 10 m distances. In each plot, species name, growth form, cover percent and soil surface percent such as percentages of stones, pebbles and amount of litter were recorded. Also, the rangeland PRODUCTION was measured by the clip-and-weigh method. Data were analyzed and mean comparisons were done using Duncan method. Results showed that the geographical aspects had significant impacts on forage PRODUCTION, vegetative form and species composition. Northern aspects had the highest forage PRODUCTION rate and species frequency. Also, elevation had a significant effect on forage PRODUCTION and vegetative form so that the elevation of 1600-1900 m and 2200-2500 m had the highest and lowest effects. Also, according to forage PRODUCTION and vegetative form in the range of slope classes, it is specified that it has also a significant effect on forage PRODUCTION seen in higher slopes.

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APA: Copy

SAEEDI GORAGHANI, HAMIDREZA, SOLAIMANI SARDO, MOJTABA, AZIZI, NABI, AZAREH, ALI, & HESHMATI, SARA. (2014). INVESTIGATION OF CHANGES IN RANGELAND VEGETATION REGARDING DIFFERENT SLOPES, ELEVATION AND GEOGRAPHICAL ASPECTS (CASE STUDY: YAZI RANGELAND, NOOR COUNTY, IRAN). JOURNAL OF RANGELAND SCIENCE, 4(3), 246-255. SID. https://sid.ir/paper/257547/en

Vancouver: Copy

SAEEDI GORAGHANI HAMIDREZA, SOLAIMANI SARDO MOJTABA, AZIZI NABI, AZAREH ALI, HESHMATI SARA. INVESTIGATION OF CHANGES IN RANGELAND VEGETATION REGARDING DIFFERENT SLOPES, ELEVATION AND GEOGRAPHICAL ASPECTS (CASE STUDY: YAZI RANGELAND, NOOR COUNTY, IRAN). JOURNAL OF RANGELAND SCIENCE[Internet]. 2014;4(3):246-255. Available from: https://sid.ir/paper/257547/en

IEEE: Copy

HAMIDREZA SAEEDI GORAGHANI, MOJTABA SOLAIMANI SARDO, NABI AZIZI, ALI AZAREH, and SARA HESHMATI, “INVESTIGATION OF CHANGES IN RANGELAND VEGETATION REGARDING DIFFERENT SLOPES, ELEVATION AND GEOGRAPHICAL ASPECTS (CASE STUDY: YAZI RANGELAND, NOOR COUNTY, IRAN),” JOURNAL OF RANGELAND SCIENCE, vol. 4, no. 3, pp. 246–255, 2014, [Online]. Available: https://sid.ir/paper/257547/en

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