پژوهش های کاربردی مهندسی آب

پژوهش های کاربردی مهندسی آب

شاخص سطح برگ به‌عنوان پارامتر مؤثر در فرآیندهای اکوهیدرولوژیکی و معرفی روش‌های اندازه‌گیری آن

نوع مقاله : مروری

نویسندگان
1 مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی استان لرستان، سازمان تحقیقات، آموزش و ترویج کشاورزی، خرم‌آباد، ایران.
2 استادیار، گروه مهندسی مرتع و آبخیزداری، دانشکده منابع طبیعی، دانشگاه لرستان، خرم آباد، ایران
چکیده
اندازه‌گیری شاخص سطح برگ (LAI) در زمینه‌های علمی مختلف از جمله زیست‌محیطی، منابع‌طبیعی، علوم گیاهی،  کشاورزی و محیط زیست و ... از اهمیت بالایی برخوردار است. شاخص سطح برگ یکی از مهم‌ترین پارامترهای زیست‌محیطی و اکولوژیکی است؛ زیرا اطلاعات جامع و کامل از شاخص سطح برگ به تحلیل‌های گسترده درباره عملکرد گیاهان و محیط پیرامون، به ویژه چرخه هیدرولوژیکی و بیوشیمیایی کمک شایانی می‌کند و به‌عنوان معیاری کلیدی در مطالعات مربوط به بهره‌وری گیاهان، چرخه کربن و توازن انرژی در اکوسیستم‌ها مورد استفاده قرار می‌گیرد. در این مقاله، ضمن بررسی مفاهیم و اهمیت شاخص سطح برگ، انواع روش‌های اندازه‌گیری شاخص سطح برگ به تفصیل بیان می‌شود. انواع مختلف دستگاه‌ها و روش‌های مورد استفاده برای اندازه‌گیری شاخص سطح برگ به‌طور دقیق بررسی شده و مزایا و محدودیت‌های هر یک بیان شده‌اند. این مقاله مروری، می‌تواند نتایج مهمی را برای انتخاب بهترین روش اندازه‌گیری بر اساس محیط مطالعه و اهداف تحقیقات به محققان و دانشجویان ارائه ‌دهد. همچنین، پیشنهاداتی برای توسعه روش‌های جدید اندازه‌گیری شاخص سطح برگ و نیز تحقیقات آینده در این زمینه ارائه شده است.
کلیدواژه‌ها

موضوعات


عنوان مقاله English

Leaf Area Index as an Effective parameter in Ecohydrological processes and Introduction of its Measurement Methods

نویسندگان English

Elham Davoodi 1
Mahdi Soleimani motlagh 2
1 Soil Conservation and Watershed Management Research Department, Lorestan Agricultural and Natural Resources Research and Education Center, Agricultural Research, Education and Extension Organization (AREEO), Khorramabad, Iran
2 Department of Range and Watershed Management Engineering, Faculty of Natural Resources, Lorestan University, Khorramabad, Iran
چکیده English

Measurement of leaf area index (LAI) is of great importance in various scientific fields such as environment, natural resources, plant sciences, agriculture and environment and etc. Leaf area index is one of the most important environmental and ecological parameters; Because the comprehensive and complete information from the leaf area index is useful for extensive analyzes about the performance of plants and the surrounding environment, especially the hydrological and biochemical cycle, and is used as a key criterion in studies related to plant productivity, carbon cycle, and energy balance in ecosystems. In this article, while examining the concepts and importance of leaf area index, various methods of measuring leaf area index are described in detail. Different types of devices and methods used to measure the leaf area index have been examined in detail and the advantages and limitations of each have been stated. This review article can provide researchers and students with important results for choosing the best measurement method based on the study environment and research objectives. Also, suggestions for the development of new methods of measuring the leaf area index and future research in this field have been presented.

کلیدواژه‌ها English

Canopy Cover
Dimensionless
Hydrological and Biochemical Cycle
Leaf Area Index
Quantity
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دوره 2، شماره 1
تیر 1403
صفحه 41-55

  • تاریخ دریافت 13 مرداد 1403
  • تاریخ بازنگری 13 شهریور 1403
  • تاریخ پذیرش 14 شهریور 1403