نتایج جستجو برای: species of flora and fauna
تعداد نتایج: 24085229 فیلتر نتایج به سال:
The Nematodes are roundworms that are found in every environment of the earth. While some species are harmful parasites, others play a vital role in nutrient cycle and medical research. Nematode infestation in the fields is poly-specific; however, depending on the agro-climatic conditions, one or two species are dominant over the rest. The present studies attempts to observe and control the roo...
در ضمن تدوین فلور ایران مربوط به جنس کوزینیا بخش سراتولوئیده تعداد دو گونه جدید برای علم گیاهی کشف گردید که در این مقاله کسب اعتبار می نمایند. یکی از گونه ها به نام cousinia farimanensis نامگذاری می شود که از اطراف فریمان دراستان خراسان جمع آوری شده است. این گونه، به گونه c. concolor شباهت دارد که منطقه انتشار آن در شمال منطقه انتشار گونه جدید قرار گرفته است. علاوه بر این گونه جدید، با داشتن بر...
The Nematodes are roundworms that are found in every environment of the earth. While some species are harmful parasites, others play a vital role in nutrient cycle and medical research. Nematode infestation in the fields is poly-specific; however, depending on the agro-climatic conditions, one or two species are dominant over the rest. The present studies attempts to observe and control the roo...
It is inevitable that mining exploitation, in addition to having a positive impact on national income can also have negative the environment, such as reduced diversity of both flora and fauna. To restore environmental functions, companies are required carry out mine reclamation. Environmental management needs be carried after reclamation activities monitoring evaluating success reclamation, esp...
in survey on the abundance and species diversity of arthropods associated with organic and conventional wheat fields which carried out in 2010 and 2011 in mashhad region, a total of 13 species belonging to carabidae family were collected and identified. among the identified species, calosoma auropunctatum dsungaricum gebler (carabinae) and the subspecies poecilus cupreus erythropus dejean (pter...
Many of Florida’s springs and spring runs are enriched in nitrate due to broad-scale contamination of groundwater supplies. This observation fosters two primary and interrelated concerns regarding the effects of nutrients on flora and fauna in spring systems. High nitrate concentrations can affect fauna directly through toxicity. In addition, high nitrate concentrations can promote eutrophicati...
Spiders are poorly studied in Iran, based on the latest studies the spider fauna of Iran includes 394 species in 126 genera belonging to 36 families. Considering the climatic and geographical variation of Iran, it can be assumed that Iran has a rich spider fauna compared to the adjacent countries. The present study seeks to take a new step in the ongoing active research of Iranian spider fauna....
Introduction: Scorpions (Arachnida: Scorpionida) are the main causative agents of envenomation and deaths among venomous animals in Iran. The present study was aimed to identify the fauna and geographic distribution of scorpions in Jask town of Hormozgan province. Methods: This cross-sectional study was carried out during 2008-10 in the mountainous and low land areas of Jask town county,...
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