نتایج جستجو برای: environmental variables

تعداد نتایج: 665448  

Journal: :international journal of environmental research 2009
a. tavili m. jafari

distribution and abundance of plants has been correlated with a variety of complex environmental gradients. environmental factors affect plants growth and need to be understood by ecosystem managers. this study was carried out to examine the relationships between site factors and different vascular and non-vascular plants in north of iran. for this purpose, vegetation and soil sampling was perf...

Journal: :caspian journal of enviromental sciences 0

the relationship between some habitat factors and fish assemblage was analyzed in the taleghan river, alborz province, iran. fish specimens from thirty-three sites were sampled by electrofishing device in october 2014. the habitat parameters, including elevation (m), water depth (cm), river width (m), river slope (%), current velocity (m.s-1), number of large stone (> 15 cm), average stone diam...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید باهنر کرمان - دانشکده مدیریت و اقتصاد 1390

این تحقیق تأثیر چندین متغیر زیست محیطی را بر رفتار خرید سبز مصرف کنندگان ایرانی، با هدف پی بردن به فاکتورهای مهم اثرگذار بر روی رفتار خرید سبز مصرف کنندگان ایرانی و میزان پذیرش بازاریابی سبز و محصولات زیست محیطی در میان مصرف کنندگان ایرانی مورد بررسی قرار داده است. مطالعه حاضر از نظر هدف کاربردی و از نظر ماهیت و روش توصیفی از نوع همبستگی می باشد. جامعه ی آماری تحقیق، دانشجویان ایرانی می باشد و...

Journal: :international journal of environmental research 0
v.a. guinder instituto argentino de oceanografía (iado-conicet). camino la carrindanga km 7.5 (8000) bahía blanca, argentina c.a. popovich departamento de biología, bioquímica y farmacia, universidad nacional de sur. san juan 670, (8000) bahía blanca, argentina g.m.e. perillo instituto argentino de oceanografía (iado-conicet). camino la carrindanga km 7.5 (8000) bahía blanca, argentina

under the contemporary scenario of global climate change and increasing coastal eutrophication, baseline studies of phytoplankton diversity and distribution in relation to habitat conditions constitute the first approach to evaluate potential shifts at the base of the food webs. here we present data of phytoplankton species composition and environmental variables in winter 2006 in a temperate e...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1391

abstract: proverbs are of the language materials which of the food of any language depends on the quality and quantity of these same materials. in the present research, the researcher tried to present the ramsarian proverbs according to four variables of color, fruit, plantsand animals that selected from the book of the members of each of these four variables, put them into the spss system fo...

Journal: :international journal of environmental research 2012
v.a. guinder c.a. popovich g.m.e. perillo

under the contemporary scenario of global climate change and increasing coastal eutrophication, baseline studies of phytoplankton diversity and distribution in relation to habitat conditions constitute the first approach to evaluate potential shifts at the base of the food webs. here we present data of phytoplankton species composition and environmental variables in winter 2006 in a temperate ...

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