منابع مشابه
EcologJy of the Hudson River Zooplankton Community
Zooplankton in thc I lut lson Ri\ ,er estuary inclut le both f rcshr.v i r ter i lnd est i lar inc spt--c ies l r . rd range in bor l l ' lengths f rorn nr icror.rs to mi l l inrctcrs. , \4easurcmcnts ol abundance ant l b ionrass as rvel l as comrnuni tv ratc processes incl icate that zooplankton clo not gerrelal l r , exert s igni f icant grazing pressLrre on phl toplankton. In aclc l i t i<rn...
متن کاملZooplankton community in the Upper Parnaíba River (Northeastern, Brazil).
The objective of the present work is to evaluate the seasonal patterns of species richness and abundance of the zooplankton community in a semi-arid river, Northeastern of Brazil. Zooplankton samples were taken in four hydrological periods along the Upper Parnaíba River: April (low), August (dry), November (rising) 2013 and January (flood) 2014. The zooplankton community consisted of 125 specie...
متن کاملZooplankton abundance in the lower Orinoco River, Venezuela
Zooplankton were sampled quantitatively in the lower Orinoco River and three major tributaries (Apure, Caura, Caroni). Dominant taxa were euplanktonic, which suggests origin from standing waters. In the Orinoco, densities for rotifers (mean, 7.6 ind. liter -I) were greater than those for cladocerans (0.9 ind. liter-I) or copepods (1.2 ind. liter-‘), but cladocerans accounted for more than half ...
متن کاملtechnical and legal parameters for determination of river boundary,( case study haraz river)
چکیده با توسعه شهر نشینی و دخل و تصرف غیر مجاز در حریم رودخانه ها خسارات زیادی به رودخانه و محیط زیست اطراف آن وارده می شود. در حال حاضر بر اساس آئین نامه اصلاح شده بستر و حریم رودخانه ها، حریم کمی رودخانه که بلافاصله پس از بستر قرار می گیرد از 1 تا20 متر از منتهی الیه طرفین بستر رودخانه تعیین، که مقدار دقیق آن در هر بازه از رودخانه مشخص نیست. در کشورهای دیگر روشهای متفاوتی من جمله: درصد ریسک...
15 صفحه اولStudies on Mrtasanjivani Sura
Mrtasanjivani sura was prepared according to the formulary in an earthen pot and in a glass vessel. The drug fermented in glass vessel was distilled using glass joint distillation apparatus and that fermented in earthen pot was distilled by baka yantra method. The alcohol content in the finished medicine in the glass distilled and baka yantra methods were 3.44% and 4.70% respectively. The medic...
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ژورنال
عنوان ژورنال: International Letters of Natural Sciences
سال: 2016
ISSN: 2300-9675
DOI: 10.18052/www.scipress.com/ilns.51.29