Results 71 to 80 of about 1,819 (100)

Evaluation of biological characteristics such as age, sexuality and growth parameters of fish roach (Rutilus rutilus caspicus) in the southeastern coasts of the Caspian Sea (Sari and Turkmen of port) [PDF]

open access: yes, 2016
Purpose of this study was to evaluate the biological parameters of growth and some roach (Rutilus rutilus caspicus) on the southern coast of the Caspian Sea.
Amri Sahebi, A., Taghavi Jlodar, H.
core  

Environmental impact and sedimentary structures of mud volcanoes in southeast of the Caspian Sea basin, Golestan Province, Iran [PDF]

open access: yes, 2015
Mud volcanoes are defined as main elements of geological structures and ways through and within which buried argillaceous loose sediments and lithified rocks.
Ranjbaran, M., Sotohian, F.
core   +1 more source

بررسی اکوفیزیولوژیک خوگیری جلبک خاکزی Microchaete sp. FS13 به تاثیر توام شوری و نور محدود افراطی [PDF]

open access: yesفیزیولوژی محیطی گیاهی, 2014
در این تحقیق جلبک Microchaete sp.FS13از مناطق نفتی جنوب کشور (استان خوزستان) و از نظر اکوفیزیولوژیک مورد بررسی قرار گرفت و تیمارهای شوری محیط فاقد شوری و محیط کشت واجد کلرور سدیم با مقادیر مختلف (25/0، 5/0 و 1 درصد) در نظر گرفته شد.
شیما چکی گر   +2 more
doaj  

Effect of herbal supplement of sangrovit on growth, blood biochemical parameters, survival and resistance to salinity stress of Cyprinus carpio fingerlings [PDF]

open access: yes, 2015
This study was conducted to investigate the effects of different levels of sangrovit (0, 0.05, 0.1 and 0.15 %) on growth, some of blood biochemical parameters, survival and salinity tolerance capacity in Cyprinus carpio (2.62±0.117 gr).
Beikzadeh, A.   +4 more
core  

Effect of synthetic and algal astaxanthin levels on egg astaxanthin content of rainbow trout (Oncorhynchus mykiss) [PDF]

open access: yes, 2016
This research was done in a trout farm in Kohkiloyeh and Boyer- Ahmad province. The main object of this study was comparing of two sources of astaxanthin (synthetic or algae) in feed on astaxanthin content of egg in rainbow trout. It was considered seven
Alizadeh, M.   +3 more
core  

Ecological study of zooplankton communities in the Persian Gulf Martyrs Lake (Chitgar-Tehran) and the first report of the freshwater jellyfish Craspedacusta sp. (Cnidaria, Limnomedusae) in Iran [PDF]

open access: yes, 2017
This study focused on zooplankton structure, biodiversity, relationship between a biotic parameters and zooplankton variation, and trophy state of the Persian Gulf Martyrs Lake (Chitgar-Tehran).
Bagheri, S.   +3 more
core  

Heavy metals (Cd, Ni and Zn) concentrations in the edible muscle tissue of Pike perch (Esox lucius) from Anzali Wetland [PDF]

open access: yes, 2015
Pike (Esox lucius) is a native species in Anzali Wetland and has been considered for its flesh. This study was carried out to compare the rate of accumulation and concentration of heavy metals such as cadmium, nickel and zinc in edible muscle tissue of ...
Abolghasemi, S.J.   +2 more
core  

Intestinal digestive enzyme activity under the influence of different dietary supplements methionine and lysine in the diet of Sparidentex hasta [PDF]

open access: yes, 2016
This study was conducted to determine the effects of dietary methionine and lysine supplementation on digestive enzymes activity in juvenile Sobaity, Sparidentex hasta.
Kochanian, P.   +4 more
core  

Investigation of Water Supply and Cropping Pattern on Water Level Rising in Abbas Plain of Ilam Province using System Dynamics Approach [PDF]

open access: yes, 2019
In irrigation management, the amount and quality of irrigation water is very important. Inappropriate water and soil quality will cause the plant to grow, destroy the soil structure and eventually reduce crop yield.
Ali Bafkar   +2 more
core   +1 more source

The diet of big-scale sand smelt Atherina boyeri caspia (Risso, 1810) in the southeastern coast of the Caspian Sea [PDF]

open access: yes, 2015
Big-scale sand smelt is one of the fishes with high ecological value, which consume by fishes such as sturgeon in the Caspian Sea. In this study, 191 samples of Big-scale sand smelt from southeast coast of the Caspian Sea were collected seasonally from ...
Amri Sahebi, A., Fazli, H., Taghavi, H.
core  

Home - About - Disclaimer - Privacy