نتایج جستجو برای: beneficial species

تعداد نتایج: 649350  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ارومیه - دانشکده کشاورزی 1385

چکیده ندارد.

Journal: :Journal of Evolutionary Biology 2010

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده منابع طبیعی و علوم دریایی 1388

this research was conducted in two protect and destroy region in the middle zagros, in illam province. in order to identification of ecological species group and evaluate density of regeneration, effect of many factors such as protection, vegetation, physiographic factors, physical and chemical properties of soil in study locations were studied. to achieve these purpose number of 54 plots using...

Journal: :Bitki koruma bulteni 2022

Bu çalışma, 2018-2019 yıllarında Diyarbakır ili Hevsel Bahçeleri’nde bulunan faydalı akar türlerinin belirlenmesi amacıyla yapılmıştır. Binlerce yıldır kesintisiz olarak ekilen bu tarihi bahçeler, UNESCO Dünya Mirası Listesi'nde yer almaktadır. Sürvey çalışmaları tesadüfi örnekleme metodu ile nisan ayından kasım ayına kadar her 15 günde bir periyodik Çalışmada meyve ağaçları, sebzeler ve yabanc...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز 1381

‏‎the community dynamics of aquatic coleoptera(insecta)in one of the spring-stream habitats of bammo national park in fars province called cheshmeh-ye-ghanbari is studied as a pilot project and model for acquaintance with and furthering the biodiversity studies on fauna of iran. sixteen species-populations out of nineteen of this community were already identified for their taxonomy and for thei...

Journal: :research on history of medicine 0
mohammad bukhetan alharbi

leech therapy was popular for many centuries. while many research studies have supported the medical use of hirudo medicinalis, other species have not received that much attention. due to the large demand and lack of supply, more research is needed to justify the medical use of other species. ibn al quffprovided general guidelines on differentiating between the beneficial and toxic types of lee...

Journal: :Arquivo Brasileiro de Medicina Veterinária e Zootecnia 2001

ایمانی, سهراب, ثمین, نجمه, ساکنین, حمید, طبری, مهرداد,

The true bugs (Insecta: Heteroptera) are one of the most important insects which included several pest and beneficial species (predators and parasitoids) and therefore have important role in agroecosystems. The fauna of aquatic and semi-aquatic Heteroptera was studied in paddy fields and around aquatic ecosystems in some regions of Iran through 2004-2009. Totally 58 species from 14 families inc...

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