RESEARCH OF ECOLOGICAL CHARACTERISTICS POA ARARATICA IN RANGELAND ECOSYSTEM OF ARAS WATERSHED GHAREHSU ARDABIL PROVINCE

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SHARIFI JABER; SHAHMORADI A.A.

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Journal: Year:2008 | Volume:21 | Issue:1 (78 IN NATURAL RESOURCES) Page(s): 2-10

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Title

RESEARCH OF ECOLOGICAL CHARACTERISTICS POA ARARATICA IN RANGELAND ECOSYSTEM OF ARAS WATERSHED GHAREHSU ARDABIL PROVINCE

Author(s)

SHARIFI JABER | SHAHMORADI A.A. | Issue Writer Certificate

Keywords

ARDEBILQ3

SABALANQ3

AUT-ECOLOGYQ3

POA ATARACTICQ3

Abstract

In order to knowing, finding and using of applicable in formation in the range management and forage production farms, surveying of ecological characteristics of Poa araratica carried out. The method of studying was as following: In the first step we used the plant coverage plan and surveying of range ecosystems to prepare the habitat of this specious.Then, in the every region, with the concerning of area and plant coverage we selected about twelve sites for sampling and measuring of indices. In the each of these areas, the factors related to total canopy, species frequency and amount of forage yield measured. Also some qualitative characteristics such as root system, phenology, stem, seed quality, regeneration, preference value and chemical composition of the plants were studied. In view point of habitatat, generally these species distributed in the hilly lands, in ARDEBIL province, the distribution areas of species are SABALAN and Talesh mountains slopes, this plant distributed in this regions in various geographical directions and the existence of moisture is the main requirement for distribution of this species, coverage percent of these species in total plant coverage combination is 4 to 12%. The average deep of root system vary 30 centimeters and optimum level of soil Ec for this species 1< and optimum range of pH is 5 through 7, The seeds of this species are very thing and in average there are about 3.52 million of seeds in 1 kg, the production of seed by this plan is very well, and average range of generation is 60 through 79, growing start point in April is changeable, generally in 2000m above sea level the growing start point is in mid April. Completion of vegetative growth in the late of may. Full flower, ripening and seed dissemination to arrangement in the first of June, first of July and late of July. Due to having high nutritional value (approximately 14.5 percent protein) and low quantity of raw fiber (r.f) approximately 24.8- 31.1 percent in comparison with accompanying species such as Festuca ovina - Bromus tomemtelus Dactylis glomerata - Poa bulbosa etc ... this species have high preference value for animals. This plant have advantages such as easy propagation (with seed) ,adaptation to region, high regeneration, perennial growing and adequate canopy productions and resistance to unsuitable environmental factors (such as cold, freezing ,drought and overgrazing) and can be used in combination with other species in rangelands rehabilitations programmes.

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APA: Copy

SHARIFI, JABER, & SHAHMORADI, A.A.. (2008). RESEARCH OF ECOLOGICAL CHARACTERISTICS POA ARARATICA IN RANGELAND ECOSYSTEM OF ARAS WATERSHED GHAREHSU ARDABIL PROVINCE. PAJOUHESH-VA-SAZANDEGI, 21(1 (78 IN NATURAL RESOURCES)), 2-10. SID. https://sid.ir/paper/19145/en

Vancouver: Copy

SHARIFI JABER, SHAHMORADI A.A.. RESEARCH OF ECOLOGICAL CHARACTERISTICS POA ARARATICA IN RANGELAND ECOSYSTEM OF ARAS WATERSHED GHAREHSU ARDABIL PROVINCE. PAJOUHESH-VA-SAZANDEGI[Internet]. 2008;21(1 (78 IN NATURAL RESOURCES)):2-10. Available from: https://sid.ir/paper/19145/en

IEEE: Copy

JABER SHARIFI, and A.A. SHAHMORADI, “RESEARCH OF ECOLOGICAL CHARACTERISTICS POA ARARATICA IN RANGELAND ECOSYSTEM OF ARAS WATERSHED GHAREHSU ARDABIL PROVINCE,” PAJOUHESH-VA-SAZANDEGI, vol. 21, no. 1 (78 IN NATURAL RESOURCES), pp. 2–10, 2008, [Online]. Available: https://sid.ir/paper/19145/en

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