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- 저자 : Soheili Forough (검색결과 2 건)
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Soheili Forough,Heydari Mehdi,Woodward Stephen,Abdul-Hamid Hazandy,Naji Hamid Reza 한국산림과학회 2023 Forest Science And Technology Vol.19 No.2
The morphological and anatomical characteristics of leaves are sensitive and adaptable to environmental changes. Determining eco-physiological patterns of leaf characteristics along elevational gradients allows for a better understanding and prediction of how plants might respond to climate change. In this work, the ecological adaptation mechanisms related to morphological and anatomical characteristics of Brant’s oak (Quercus brantii Lindl.) leaves were studied at three elevation classes (low, middle, and high) in two different Mediterranean and subhumid climates in Zagros forests in western Iran. There were no sig- nificant changes in leaf length, although the leaf-specific area was higher at low and middle elevations in subhumid climates. In addition, stomata length, width, density, and stomatal pore index were higher in the upper elevations of subhumid climate than in the Mediterranean climate. At low and middle elevations, dry matter content was higher at sites from the Mediterranean climate. The results of plasticity indices showed that individuals of Q. brantii from middle-elevation sites exhibited greater plasticity than those from low and high-elevation sites. Overall, Q. brantii, the dominant oak species in Zagros forests, appears to respond to elevational and environmental changes, suggesting that leaves can adapt to these changes through morphological and anatomical traits. These results provide new insights into the environmental adaptation strategies of plants at the morphological and anatomical levels against climate change.
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Effect of simulated dust storm conditions on the physiological features of wild pistachio
Naji Hamid Reza,Roushani Nia Farshad,Tongo Afsaneh,Soheili Forough,Arminian Ali 한국산림과학회 2024 Forest Science And Technology Vol.20 No.1
Dust storms are a common natural phenomenon in the world, especially in the arid and semi-arid regions of the world. This phenomenon, like other natural hazards, can have harmful effects on the plants. This study investigates the effects of dust under simulated conditions on the biochemical properties of wild pistachio (Pistacia atlantica). Two-year-old seedlings were provided by a state nursery. As a completely randomized design, seedlings were put in simulated dust chamber. The dust was applied at concentrations of 5000, 7000 and 9000 mg/m3 for 10 weeks with intervals of 12 days. At the same time, ten seedlings were selected as control seedlings. At the end of each dusting period, the leaves of the treated and control seedlings were collected from the middle part of the crowns and stored in the freezer for further analysis. The results showed a decrease in chlorophyll pigments and carotenoids with increasing dust concentration, while carbohydrates and catalase and peroxidase enzymes increased. No significant differences were observed in the proline content of the treated and control seedlings. This could be due to the short time of treatment as well as the intensity of the induced dust storm stress. In conclusion, the results can be considered as basic information on the variations of physiological characteristics of forest trees to natural dust storms and their adaptability to climatic changes.
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