THE INVESTIGATION OF VEGETATION CHANGES IN RELATION TO RAINFALL VARIATION IN EBRAHIM ABAD STEPPE RANGELANDS, YAZD PROVIENCE

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ABDOLLAHI J.; ARZANI H.; NADERI H.

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Journal: Watershed Management Research Year:2011 | Volume:- | Issue:1 (90) Page(s): 68-77

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Title

THE INVESTIGATION OF VEGETATION CHANGES IN RELATION TO RAINFALL VARIATION IN EBRAHIM ABAD STEPPE RANGELANDS, YAZD PROVIENCE

Author(s)

ABDOLLAHI J. | ARZANI H. | NADERI H. | Issue Writer Certificate

Keywords

RAINFALL VARIATIONQ2

CANOPY COVERQ2

FORAGE PRODUCTIONQ2

STEPPE RANGELANDSQ2

YAZD PROVINCEQ2

Abstract

An optimal planning system for managing the range and maintaining its vegetation is highly influenced by the humidity and rainfall of the range. In this research, the reactions of the Cornulaca monocanta species to the fluctuation of precipitation were studied at Ebrahim-Abad in Mehriz – Yazd. For this purpose three dominant Species were selected and their CANOPY COVER and production were monitored every year along permanent line transect in random plots. Precipitation data were collected from nearby stations. According to data of precipitation, amount of cumulative rain was determined at various periods.Relationships between variables of plant parameters and amount of cumulative rain analyzed by Back ward and stepwise regression method. The Results indicate that plants species are affected by precipitation fluctuation. The Total vegetation cover has negative and significant correlation with winter Precipitation as well as CANOPY COVER of Cornolaca monocanta.Whereas Precipitation in January-April and winter exhibited a high correlation with CANOPY COVER of Launaea acantodes and Artemisia sieberi. The FORAGE PRODUCTION was also influenced by seasonal precipitation. According to this result, annual yield of dominant plant species and annuals production can be estimated by precipitation in winter and January-April period. In the final, Result of curve estimation show that yield and CANOPY COVER response of Cornolaca monocanta are in two forms of power and linear, respectively.

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APA: Copy

ABDOLLAHI, J., ARZANI, H., & NADERI, H.. (2011). THE INVESTIGATION OF VEGETATION CHANGES IN RELATION TO RAINFALL VARIATION IN EBRAHIM ABAD STEPPE RANGELANDS, YAZD PROVIENCE. WATERSHED MANAGEMENT RESEARCHES (PAJOUHESH-VA-SAZANDEGI), -(1 (90)), 68-77. SID. https://sid.ir/paper/200671/en

Vancouver: Copy

ABDOLLAHI J., ARZANI H., NADERI H.. THE INVESTIGATION OF VEGETATION CHANGES IN RELATION TO RAINFALL VARIATION IN EBRAHIM ABAD STEPPE RANGELANDS, YAZD PROVIENCE. WATERSHED MANAGEMENT RESEARCHES (PAJOUHESH-VA-SAZANDEGI)[Internet]. 2011;-(1 (90)):68-77. Available from: https://sid.ir/paper/200671/en

IEEE: Copy

J. ABDOLLAHI, H. ARZANI, and H. NADERI, “THE INVESTIGATION OF VEGETATION CHANGES IN RELATION TO RAINFALL VARIATION IN EBRAHIM ABAD STEPPE RANGELANDS, YAZD PROVIENCE,” WATERSHED MANAGEMENT RESEARCHES (PAJOUHESH-VA-SAZANDEGI), vol. -, no. 1 (90), pp. 68–77, 2011, [Online]. Available: https://sid.ir/paper/200671/en

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