A. Nasrollahzadeh
Dep. of Fisheries Science, Faculty of Natural Resources, University of Guilan, Somehsara, Iran. * Corresponding author?s E-mail: [email protected]
[ 1 ] - First report on Freshwater crab species (Potamon bilobatum) in the altitudes of Guilan (Lakan area)
Guilan province is located in south and south-west of the Caspian Sea. Guilan is one of the richest and the most humid region in the country due to suitable climate, ample rainfall and many water sources (springs, rivers, creeks,..),. Despite the prevailing favorable conditions, limnological studies, especially in the mountainous regions of this province are limited. A limnological study was co...
[ 2 ] - Caspian Sea and its Ecological Challenges
Caspian Sea is the largest enclosed body of water on the earth. Since the collapse of Soviet Union in 1991 and discovering large oil and gas fields, some issues such as political, economic and environmental events, made the Caspian Sea important. The ecology of the Sea are being endangered due to several issues such as petroleum extraction, river and sea pollutions, water level rise, biological...
[ 3 ] - رابطه طول و وزن، شاخص های کبدی و گنادی، پارامترهای رشد، ضریب و چاقی ماهی شاه‌کولی خزری (Alburnus chalcoides) در سواحل جنوب غربی دریای خزر، استان گیلان
رابطه طول و وزن، الگوی رشد، عامل وضعیت و ترکیب سنی شاه کولی خزری Alburnuschalcoides سواحل غربی دریای خزر (آستارا، انزلی و کیاشهر) از شهریور 1396 الی مهر ماه 1397 مورد بررسی قرار گرفت. برای این منظور تعداد 77 عدد ماهی از تورهای پره صید شد. میانگین طول و وزن ماهیان صید شده به ترتیب 5/17±19/38 سانتیمتر و 83/92±76/78 گرم بود. دامنه ی سنی ماهیان بین 0 تا 4 سال بود و ماهیان 0 و 1 ساله 81/8 درصد ا...
Co-Authors