سال انتشار: ۱۳۹۰

محل انتشار: کنفرانس بین المللی دانش سنتی برای حفاظت از تنوع زیستی

تعداد صفحات: ۴

نویسنده(ها):

Mahmood Mohammadi – MSC of Agronomy, Sari Agricultural Sciences and Natural Resources University, Sari, Iran
Kamkar Jaimand – Phytochemistry Group,Department of Medicinal plants & By-products-Chairman of Iranian Society of Medicinal Plant
Ghasem Aghajaniye Mazandarani – Agriculture Instructor, Sari Agricultural Sciences and Natural Resources University, Sari, Iran
Ayoub Heidarzade – Agriculture Expert, Genetic and Agricultural Biotechnology Institute of Tabarestan,Sari Agricultural Sciences and Natural Resources University, Sari, Iran

چکیده:

Biodiversity is one of the most important resources on earth, and human activitiesendanger the total number of hole wight species (Rahmann, 2011). Large numbersof those are already extinct or close to being erased. Over the last quarter of the 20thcentury, dramatic declines in both range and abundance of many species associatedwith farmland (Liu et al., 2011). The use of chemical pesticides used in agriculture inaddition water pollution resources reduce biodiversity (insects, plants, fungi, bacteria andanimals) and can cause illness in humans. Farming systems such as organic farming arenow seen by many as a potential solution to this continued loss of biodiversity (Bi et al.,2009). For example, rice-duck (organic farming) mutualism, as a indigenous knowledge,is one form of ecological engineering which makes use of the symbiotic relationshipbetween rice and ducks to more effectively utilize materials, reduce chemical fertilizerand pesticide inputs, increase product safety and overall productivity and decrease thepollutants discharged from rice-fields (Xi and Qin., 2009). The objective of this studywas compare insects density in organic rice-duck farming under field conditions innorthern of Iran.