نتایج جستجو برای: population growth parameters

تعداد نتایج: 1977652  

Journal: :international journal of marine science and engineering 2013
s. a. r. hashemi s. a. taghavimotlagh r. ghorbani a. hedayati

during this study from december 2009 to november 2011, 363deep flounder fish were caught and their weight and length were measured. the caught fish included 18 males, 200 females and 155 immature fishes. the mean, maximum and minimum total lengths were 264 ± 57 (mean ± sd), 415 mm and 115 mm respectively. the mean, maximum, and minimum total weights for this species were 238 ± 150 g, 827 g and ...

Journal: :iranian journal of ichthyology 0
yazdan keivany department of fisheries, faculty of natural resources, isfahan university of technology, isfahan, iran. mosayeb aalipour isfahan university of technology masoud siami isfahan university of technology samaneh sadat mortazavi isfahan university of technology

the length-weight relationships for three fish species from beheshtabad river, karun river drainage (western chaharmahal and bakhtiari provinces, iran) were investigated. the values of the slope parameter ( b ) in the length-weight relationship equations were determined as 2.79 for capoeta damascina , 3.10 for chondrostoma regium and 3.09 for oncorhynchus mykiss , all of which were significantl...

Journal: :journal of crop protection 2013
seyed ali hemati bahram naseri jabraeil razmjou

the effect of various host plants including chickpea (varieties arman, hashem, azad and binivich), common bean (variety khomein), white kidney bean (variety dehghan), red kidney bean (variety goli), cowpea (variety mashhad), and tomato (variety meshkin) on the reproductive performance and growth indices of the cotton bollworm, helicoverpa armigera (hübner) was determined under laboratory condit...

Journal: :iranian journal of applied animal science 2013
m.m. mia m.a.m.y. khandoker s.s. husain m.o. faruque d.r. notter

black bengal goat is the heritage and one of the potential genetic resources of bangladesh. least-squares means for body weights at birth, 3, 6, 9 and 12 months of age were 1.09, 5.12, 8.02, 10.92 and 14.47 kg, respectively. sex of the kid has significant (p

Journal: :ecopersia 0
abdolreza javidfar former m.sc. student of range management, university of zabol, zabol, iran einollah rouhi-moghaddam associate professor, department of range and watershed, university of zabol, zabol, iran mahdieh ebrahimi associate professor, department of range and watershed, university of zabol, zabol, iran

the effect of soil and topographic features on distribution of amygdalus scoparia in nehbandan (iran) was investigated. slope, aspect and altitudinal maps were overlaid to prepare a working map unit. quantitative and qualitative traits, including height, number, collar diameter of sprout with the highest diameter, crown diameter and trunk health were recorded in 1000 m2 plots (27 plots). in eac...

Journal: :medical journal of islamic republic of iran 0
firouzeh nili dept. of pediatrics, tehran university of medical sciences, tehran, i.r. iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences) alireza ebadi dept. of pediatrics, tehran university of medical sciences, tehran, i.r. iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences)

abstract background: nutrients meeting recommended dietary intakes take time to establish and once established are rarely maintained throughout hospital stay in preterm infants. methods: our purpose is to define the nutritional status and growth parameters of hospitalized patients at discharge in our hospital. data were obtained concerning all 50 infants born weighing < 1800 g and < 34 weeks of...

Journal: :مجله تحقیقات سلامت 0
نغمه قریشی naghmeh ghorashi عباس علوی راد abbas alavi rad محمد رضا اسلامی mohammad reza eslami

introduction: economic development and public welfare are some of macroeconomic goals for any country. health economy is one of the parameters as criterion for action in evaluation of this important subject. the present study has been intended to investigate into the relationship among factors of health economy including total health expenditures (some percent of gross domestic product gdp), li...

Journal: :environmental studies of persian gulf 2014
nassir niamaimandi

in this study, population dynamics of venerid bivalve paphia cor was investigated for a one-year period (2008-2009) in bushehr shoreline areas (50˚ 40´ e- 29˚ 14´n) to estimate the stock abundance, growth parameters and natural mortality. sampling was carried out bi-monthly by transects at random direction and zigzag pattern with duplicated quadrate (0.25 m2). the length frequency was used to e...

Journal: :iranian journal of fisheries science 0
h. abbasi ghadikolaei a. kamali m. soltani m. sharifian

this study was conducted with different levels (0, 0.25, 0.5,1,2 g) of zingiber officinale powder per 100 g of common carp commercial diet. feed was offered for 8 weeks by the post pelleting liquid spraying method. results showed that there were significant differences in all growth parameters and body composition except in survival rate, gain weight percent (gw%) ,sgr and nfe between treatment...

Journal: :تحقیقات کاربردی اکوفیزیولوژی گیاهی 0
سیده حدیثه بهاری ساروی همت الله پیردشتی یاسر یعقوبیان

in order to investigate the effect of plant growth promoting rhizobacteria (pgpr) along with zinc (zn) and manganese (mn), foliar spraying on the morphological parameters of basil (ocimum basilicum l.) an experiment was conducted in factorial based on a randomized complete block design with three replications in 2011. treatments were the pgpr inoculation with azotobacter and azospirillum (azb+a...

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