نتایج جستجو برای: barbus callensis

تعداد نتایج: 623  

2015
C Muller NA Strydom

Freshwater and marine-spawned fishes were sampled from the Baakens River, a small urban river that runs through the city of Port Elizabeth in the Eastern Cape of South Africa. Using fyke nets, 8 sites were sampled along the river course over a 4-month period (January – April 2014). Catches were comprised of indigenous freshwater, marine migrant and alien fishes. Marine migrant fishes, including...

ژورنال: محیط شناسی 1999
دکتر جلال ولی الهی

امروزه ماهیان آبهای داخلی به علت افزایش جمعیت توسط صنعت و شهر نشینی درمعرض تهدیدها و مخاطرات زیست محیطی بوده و ذخایربرخی از آنها درحال کاهش است درحالی که برخی از گونه های آنها هنوز از نظر علمی شناسایی نشده و به طور اصولی طبقه بندی نگردیده اند در راستای شناخت باربوس ماهیان ارزشمند از سال 75 تا کنون در رودخانه های زیستگاه این ماهیان (گاماسیاب ،رازآور ،قره سو)اقدام به صید گردید از میان حدود 4000 ن...

سلیمی, لیدا, ظاهری عبده‌وند, لادن, موسوی ندوشن, رضوان ,

Background and purpose: Heavy metal contamination of aquatic ecosystems is a major concern for animals and human health. Pollutants such as heavy metals accumulate the food chain and at the end, they transmit to the human body. In this research, the concentrations of nickel, lead and cadmium in Barbus grypus of Dez River, Iran, were determined and compared with international standards. Materia...

1953
N. R. Ramakrishnan G. K. Rathnaswamy

Till now for control of dracontiasis, the drinking water sources showing prolific breeding of c;/clops in endemic areas were either super' chlorinated or the biological method of control by introduction of cyclopscidal fishes like Ambassis, Etroplus, Barbus etc., was resorted to after the removal of the predatory fishes. Super-chlorination, if done regularly, gives fairly good results but socia...

Journal: : 2022

     The current study was concerned with investigating parasitic infections in Barbus Xanthopterus fish Al-Diwaniyah River, for the period (July 2020-December 2020). (218) were collected from three different locations along River. results of laboratory examination indicated that infected parasite Chilodonella Cyprinid and Eimiria sinenis. recorded changes physical chemical ...

Journal: : 2023

The current study was concerned with investigating parasitic infections in Barbus Xanthopterus fish Al-Diwaniyah River, for the period (July 2020-December 2020). (218) were collected from three different locations along River. results of laboratory examination indicated that infected parasite Chilodonella Cyprinid and Eimiria sinenis. recorded changes physical chemical properties River water, a...

Journal: :Oceanological and Hydrobiological Studies 2022

In this study, skeletal anomalies such as vertebral centra deformation, lordosis (ventral curvature), and consecutive repetition of kyphosis were examined in specimens Barbus xanthos (Güçlü, Kalaycı, Küçük & Turan, 2020) collected from the Dalaman River, southwestern Turkey. Abnormalities column observed both thoracic caudal vertebrae. Cases showed varying degrees severity. Specimens with m...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید