first report on freshwater crab species (potamon bilobatum) in the altitudes of guilan (lakan area)

Authors

a. nasrollahzadeh

al. et

abstract

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 conducted in the lakan area from march to june in 2008. macrobenthos were sampled from the freshwater stream that were mostly composed of freshwater crabs. the samples were transported to the natural history museum in frankfurt, germany, and the crab species was identified as potamon bilobatum belonging to family potamidae. the physico-chemical characteristics of water and the study area have been recorded.

Upgrade to premium to download articles

Sign up to access the full text

Already have an account?login

similar resources

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...

full text

Haemocyte Classification and Differential Counts in the Freshwater Crab, Potamon fluviatilis

Three haemocyte groups were identified in the freshwater crab, Potamon fluviatilis: hyalinocytes, semigranulocytes and granulocytes. The proportion of hyalinocytes was found to be 15%, that of semigranulocytes 54.25% and that of 30.75% granulocytes.

full text

the impact of e-readiness on ec success in public sector in iran the impact of e-readiness on ec success in public sector in iran

acknowledge the importance of e-commerce to their countries and to survival of their businesses and in creating and encouraging an atmosphere for the wide adoption and success of e-commerce in the long term. the investment for implementing e-commerce in the public sector is one of the areas which is focused in government‘s action plan for cross-disciplinary it development and e-readiness in go...

the washback effect of discretepoint vs. integrative tests on the retention of content in knowledge tests

در این پایان نامه تاثیر دو نوع تست جزیی نگر و کلی نگر بر به یادسپاری محتوا ارزیابی شده که نتایج نشان دهندهکارایی تستهای کلی نگر بیشتر از سایر آزمونها است

15 صفحه اول

the effect of taftan pozzolan on the compressive strength of concrete in the environmental conditions of oman sea (chabahar port)

cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...

Survey of bacteria associated with abdominal flap of freshwater crab (Potamon ebonyicum) at Ebonyi River basin Nigeria

Ebonyi River basin of south east Nigeria is home to the freshwater crab Potamon ebonyicum, which are consumed indiscriminately by inhabitants and tourists. Bulk of the crab meat is obtained by crabbing. A preliminary survey of pathogenic bacteria associated with vulnerable morphological part of the crab species was carried out in the basin. Bacteria were isolated from abdominal flaps of the mal...

full text

My Resources

Save resource for easier access later


Journal title:
caspian journal of environmental sciences

Publisher: university of guilan

ISSN

volume 9

issue 2 2011

Hosted on Doprax cloud platform doprax.com

copyright © 2015-2023