Comparison of the ecological amplitude of Trifolium repens and Phlomis cancellata to some environmental variables using HOF function (Case study: Glandrood watershed-Mazandaran province)

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Bazyar Fahimeh; DIANATI TILAKI GHASEM ALI; ALAVI SEYED JALIL

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Journal: Journal of Rangeland Year:2018 | Volume:12 | Issue:2 Page(s): 124-136

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Title

Comparison of the ecological amplitude of Trifolium repens and Phlomis cancellata to some environmental variables using HOF function (Case study: Glandrood watershed-Mazandaran province)

Author(s)

Bazyar Fahimeh | DIANATI TILAKI GHASEM ALI | ALAVI SEYED JALIL | Issue Writer Certificate

Keywords

HOF functionQ1

Ecological amplitudeQ1

Ecological optimumQ1

Response curveQ1

Phlomis cancellataQ1

Trifolium repensQ2

Abstract

This study aimed to compare the Ecological amplitudes of Trifolium repens and Phlomis cancellata using HOF function along some environmental gradients in rangelands of Glandrood watershed – Mazandaran province. A randomized-systematic approach was used to collect frequency of Trifolium repens and Phlomis cancellata in 153 plots of 1m2 along the elevation gradient. Soil samples were collected from 0-20 cm in each plot and their pH, N, EC, organic matter, organic carbon and soil texture were measured. HOF function was used with binomial distribution function to provide Response curves of the species and identify their optimum ecological condition. The data were analyzed using R ver. 3. 0. 2 software. The results indicated that the two species had different Ecological amplitude. Trifolium repens occurs in elevation range of 2125-2975 m and its optimum elevation was 2125 m. Phlomis cancellata appeared from 2184 to 2975 m but its optimum elevation was 2246 m. The Response curve of Phlomis cancellata to the elevation was unimodal and asymmetric but it had monotonically decreasing trend for Trifolium repens.

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APA: Copy

Bazyar, Fahimeh, DIANATI TILAKI, GHASEM ALI, & ALAVI, SEYED JALIL. (2018). Comparison of the ecological amplitude of Trifolium repens and Phlomis cancellata to some environmental variables using HOF function (Case study: Glandrood watershed-Mazandaran province). RANGELAND, 12(2 ), 124-136. SID. https://sid.ir/paper/136198/en

Vancouver: Copy

Bazyar Fahimeh, DIANATI TILAKI GHASEM ALI, ALAVI SEYED JALIL. Comparison of the ecological amplitude of Trifolium repens and Phlomis cancellata to some environmental variables using HOF function (Case study: Glandrood watershed-Mazandaran province). RANGELAND[Internet]. 2018;12(2 ):124-136. Available from: https://sid.ir/paper/136198/en

IEEE: Copy

Fahimeh Bazyar, GHASEM ALI DIANATI TILAKI, and SEYED JALIL ALAVI, “Comparison of the ecological amplitude of Trifolium repens and Phlomis cancellata to some environmental variables using HOF function (Case study: Glandrood watershed-Mazandaran province),” RANGELAND, vol. 12, no. 2 , pp. 124–136, 2018, [Online]. Available: https://sid.ir/paper/136198/en

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