EFFECTS OF DEFOLIATION INTENSITY AND CONTINUOUS GRAZING ON BASAL AREA, CANOPY COVER AND HEIGHT OF TWO SPECIES OFBROMUS TOMENTELLUS AND FERULA HAUSSKNECHTII IN SARAL RANGELANDS OF KURDISTAN PROVINCE, IRAN

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SAEDI K.; SEPEHRI A.; PESSARAKLI M.; GHAREDAGHI H.; AZIZINEZHAD R.

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Journal: IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH Year:2014 | Volume:21 | Issue:3 Page(s): 518-529

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Title

EFFECTS OF DEFOLIATION INTENSITY AND CONTINUOUS GRAZING ON BASAL AREA, CANOPY COVER AND HEIGHT OF TWO SPECIES OFBROMUS TOMENTELLUS AND FERULA HAUSSKNECHTII IN SARAL RANGELANDS OF KURDISTAN PROVINCE, IRAN

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Keywords

BROMUS TOMENTELLUSQ2

FERULA HAUSSKNECHTIIQ2

CANOPYQ2

BASAL AREAQ2

HEIGHTQ2

GRAZINGQ2

Abstract

In most Iranian rangelands, continuous GRAZING begins with melting snow and continues until the beginning of snow. This study was conducted to evaluate the effects of continuous GRAZING system on a number of morphological attributes of BROMUS TOMENTELLUS and FERULA HAUSSKNECHTIIduring 2010-2011 in Saral Rangelands of Kurdistan Province. The 30-year exclosure was selected as control area inside the Saral Research Station. In different growth stages, the morphological attributes including the shortest and longest BASAL AREA diameter, the shortest and longest CANOPY diameter, and the HEIGHT of 10 plants were measured. The annual yield of 30 plants of each species in each year was clipped and weighed to determine forage consumption intensity. All data were subjected to statistical analysis in a completely randomized design using combined analysis. Mean comparisons were performed using Duncan’s Multiple Range Test. Continuous GRAZING caused to the increase of BASAL AREA diameter and CANOPY diameter of B. tomentellus significantly; however, the HEIGHT varied in two studied treatments, depending on the year. The three studied morphological attributes of F. haussknekhtiiwere affected drastically by continuous GRAZING. In this species, BASAL AREA diameter was more affected by the conditions of the year. In both species, ungrazed plants used seasonable rainfall more efficiently as compared to the grazed plants.

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APA: Copy

SAEDI, K., SEPEHRI, A., PESSARAKLI, M., GHAREDAGHI, H., & AZIZINEZHAD, R.. (2014). EFFECTS OF DEFOLIATION INTENSITY AND CONTINUOUS GRAZING ON BASAL AREA, CANOPY COVER AND HEIGHT OF TWO SPECIES OFBROMUS TOMENTELLUS AND FERULA HAUSSKNECHTII IN SARAL RANGELANDS OF KURDISTAN PROVINCE, IRAN. IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH, 21(3), 518-529. SID. https://sid.ir/paper/106890/en

Vancouver: Copy

SAEDI K., SEPEHRI A., PESSARAKLI M., GHAREDAGHI H., AZIZINEZHAD R.. EFFECTS OF DEFOLIATION INTENSITY AND CONTINUOUS GRAZING ON BASAL AREA, CANOPY COVER AND HEIGHT OF TWO SPECIES OFBROMUS TOMENTELLUS AND FERULA HAUSSKNECHTII IN SARAL RANGELANDS OF KURDISTAN PROVINCE, IRAN. IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH[Internet]. 2014;21(3):518-529. Available from: https://sid.ir/paper/106890/en

IEEE: Copy

K. SAEDI, A. SEPEHRI, M. PESSARAKLI, H. GHAREDAGHI, and R. AZIZINEZHAD, “EFFECTS OF DEFOLIATION INTENSITY AND CONTINUOUS GRAZING ON BASAL AREA, CANOPY COVER AND HEIGHT OF TWO SPECIES OFBROMUS TOMENTELLUS AND FERULA HAUSSKNECHTII IN SARAL RANGELANDS OF KURDISTAN PROVINCE, IRAN,” IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH, vol. 21, no. 3, pp. 518–529, 2014, [Online]. Available: https://sid.ir/paper/106890/en

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