Abdollahi, J., Arzani, H., Naderi, H., Mirjalili, M. (2014). The relationship between annual fodder production and rainfall and temperature fluctuations in ranges in dry areas. , 27(2), 165-174. doi: 10.22092/wmej.2014.106361
Jalal Abdollahi; Hossein Arzani; Hossein Naderi; Mohammad Reza Mirjalili. "The relationship between annual fodder production and rainfall and temperature fluctuations in ranges in dry areas". , 27, 2, 2014, 165-174. doi: 10.22092/wmej.2014.106361
Abdollahi, J., Arzani, H., Naderi, H., Mirjalili, M. (2014). 'The relationship between annual fodder production and rainfall and temperature fluctuations in ranges in dry areas', , 27(2), pp. 165-174. doi: 10.22092/wmej.2014.106361
Abdollahi, J., Arzani, H., Naderi, H., Mirjalili, M. The relationship between annual fodder production and rainfall and temperature fluctuations in ranges in dry areas. , 2014; 27(2): 165-174. doi: 10.22092/wmej.2014.106361

The relationship between annual fodder production and rainfall and temperature fluctuations in ranges in dry areas

پژوهش های آبخیزداری
Article 18, Volume 27, Issue 2 - Serial Number 103, July 2014, Pages 165-174    PDF (722.21 K)
Document Type: Research
DOI: 10.22092/wmej.2014.106361
Authors
Jalal Abdollahi* 1; Hossein Arzani2; Hossein Naderi3; Mohammad Reza Mirjalili4
1Faculty member of Yazd Research Center of Agriculture and Natural Resources
2Professor of Natural Resources Faculty, University of Tehran
3M.Sc. of Range management, Tarbiat Modares University
4B.Sc. of Yazd Research Center of Agriculture and Natural Resources
Abstract
In arid and semi-arid rangeland ecosystems, rainfall and temperature variables play a major role in the availability of water within soil profiles and strongly influencing plant productivity and composition in plant communities. In this research, the reactions of the dominant plant species yield to meteorological variables were studied at steppic range in Garize region of Yazd province for nine years. For this purpose, seven dominant Species were selected and their production was monitored every year with double sampling method along four permanent line transect in 60 plots (2m2). Meteorological data were collected from nearby climatological station. Relationships between Main meteorological gradients and annual yield analyzed by redundancy analysis (RDA). According to this result, total annual yield and annual yield of Artemisia sieberi, Aellenia subaphylla and Salsola arbuscula influenced by rainfall in December-March period. Yield of Salsola regida, Salsola tomentosa and Noaea mucronata are influenced not only by rainfall in December-January but also by variability of May high temperature. Species yield of Lactuca orientalis influenced by rainfall and high temperature in April.
Keywords
forage production; Meteorological Factors; redundancy analysis (RDA); steppe rangeland; Garize-Sofla area
References
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