A Survey upon Influence of Intensity and Capacity of Soil Reduction in Wetlands and Aquatic Systems
Publish place: First National Conference of wetlands and aquatic ecosystem
Publish Year: 1392
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
PWAE01_106
تاریخ نمایه سازی: 25 مرداد 1392
Abstract:
This article emphasizes soil-plant interactions in wetlands, drawing attention to the importance of quantifying the intensity and capacity of reduction and/or oxygen demand in wetland soils to allow proper evaluation of wetland plant responses to such conditions.This fact is known that Wetland or hydric soils, in addition to excess water and limited air-filled porosity, are characterized by anaerobic or reducing conditions. Wetland plants have developed physiological and morphological adaptations for growing under these conditions. Various methods exist for measuring plant responses to reducing conditions in wetland and aquatic environments, including assessment of radial oxygen transport, cellular enzymatic transformations, changes in root structure, and nutrient uptake. However, a gap exists in quantifying the chemical properties and reducing nature of soil environment in which plant roots are grown. The variation in reducing conditions, oxygen demand, and other associated processes that occur in wetland soils makes it difficult to truly compare the plant responses reported in the literature.
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Authors
Kourosh Motevalli
Instructor, Applied Chemistry Department, Basic Sciences Faculty, Islamic Azad University, South
Zahra Yaghoubi
Asistant professor, Industrial Faculty, Islamic Azad University, South Tehran Branch, Tehran, Iran
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