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Friday 27 November 2020




Pejman Tahmasebi

Associate Professor

Rangeland and Watershed Management

Faculty of Natural Resources and Geosciences

Tel: 038332324401-4

pejman.tahmasebi@nres.sku.ac.ir

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Research Interest
   Rangeland Biodiversity, stability and Dynamic: Plant species number and/or composition are thought to influence ecosystem productivity, stability, nutrient dynamics and invisibility. Although it has been shown that greater plant species numbers is associated with ecosystem function in rangeland communities, it is not clear whether and to what extent ecosystem function depends upon the presence of one or more key functional traits in the plant community. The use of a functional approaches approach shows high potential for identifying and quantifying ecosystem function in particular carbon stocks as an ecosystem service. In this study we will test for associations between functional trait values and carbon storage across different bioclimatic region; Semi-arid forest, semi-steppe rangelands, warm and cold steppe in central Zagross, Iran.
   Plant-animal interaction: Rangelands are the stage for many of the world's most complex and interesting plant and animal interactions. These interactions play important roles in plant community composition and diversity. Seeds disperse to increase the reproductive success of the plant. The farther away a seed is from a parent, the better its chances of survival and germination. Therefore a plant should select certain traits to increase dispersal by a vector (i.e. bird, insect) to increase the reproductive success of the plant. Although the importance of seed dispersal on the dynamics of plant communities has long been recognized, its role in shaping plant community composition and diversity was under study only during the past two decades. In a project in semi- steppe rangelands of Iran, we will study the role of animals (ungulate) and insects in shaping community composition and diversity through studying grazing behavior and seed dispersal.

Academic Resume

Publications
International Journal
1. Naghipour Borj A A, Khajeddin S J, Bashari H, Tahmasebi P, Iravani M. 2016 Effects of smoke, ash and heat shock on seed germination of seven species from Central Zagros rangelands in the semi-arid region of Iran, African Journal of Range and Forage S, ,
2. Soroosh Salek-Gilani • Fayez Raiesi • Pejman Tahmasebi • Najmeh Ghorbani.2013. Soil organic matter in restored rangelands following cessation of rainfed cropping in a mountainous semi-arid landscape Nutr Cycl Agroecosyst, 96:215-232. (IF=1.7, ,
3. Tahmasebi, etal. 2013. Shifting mosaics in semi-steppe rangelands driven by interactive effect of human made disturbances.International journal of Advanced Biological and Biomedical Research , 9:1101-1111., ,
4. Tahmasebi Kohyani, P. et. al. (2009) Herbivory tolerance of dominant and subordinate plant species along gradients of nutrient availability, in herbaceous plant ecology (Ed) Van der Valk A. Springer. pp: 247-255. , ,
5. Tahmasebi Kohyani, P. et. al. (2009) Differential herbivory tolerance of dominant and subordinate plant species along gradients of nutrient availability and competition, Plant Ecology, 201: 611-619 ( Impact Factor 1.4), ,
6. Tahmasebi Kohyani, P. et. al (2011) Grazing impact of recently introduced large herbivores on plant spatial distribution and community composition, Plant ecology and evolution ( Impact factor 0.8), ,
7. Tahmasebi Kohyani, P., et. al (2008). Grazing as a management tool in grasslands: Evidence of soil and scale dependence of the effect of large herbivores on plant diversity. Biological Conservation, 141: 1687-1694; doi:10.1016/j.biocon) ( Impact fact, ,
8. Tahmasebi Kohyani, P., et. Al. (2008). Importance of grazing and soil acidity for plant community composition and trait characterisation in grasslands. Applied Vegetation Science 11: 179-186. ( Impact Factor 1.5), ,



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Shahrekord University


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