نتایج جستجو برای: the environmental index

تعداد نتایج: 16147273  

Journal: :اکو هیدرولوژی 0
رفعت زارع بیدکی استادیار، دانشکدۀ منابع طبیعی و علوم زمین، دانشگاه شهرکرد، شهرکرد مریم مهدیانفرد کارشناس ارشد آبخیزداری، دانشکدۀ منابع طبیعی و علوم زمین، دانشگاه شهرکرد، شهرکرد افشین هنربخش دانشیار، دانشکدۀ منابع طبیعی و علوم زمین، دانشگاه شهرکرد، شهرکرد حسین زینی وند استادیار، دانشکدۀ منابع طبیعی، دانشگاه لرستان، خرم‏آباد

commonly used environmental flow evaluation techniques range in complexity. some requires stream flow records alone, and some accounts for the habitat requirements of individual species life-stages and physical characteristics of the stream. hydrological based methods for environmental flow assessment are the first step in planning for environmental allocation in developing countries. for deter...

M. Zamani Faradonbe S. Eagderi

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...

Like developing countries, our country faces the problem of poverty and the spread of this phenomenon in rural areas and is one of the most important problems in rural areas. Measuring and identifying poverty is an integral part of the knowledge needed to formulate programs and policies for poverty alleviation in society and can be a powerful tool for policymakers' attention to the living condi...

Hossein Elahi Shirvan Keyvan Sarebanzadeh, Khodabakhsh Zare Mohammad Faridan, Naser Hasheminejad Rasoul Hemmatjo, Sajad Zare

Background:Thermal stress may have numerous harmful effects on human health. This study aimed at investigating thermal stress in the city of Kerman, Iran. Methods:In this descriptive-analytical study, thermal stress was assessed from 6 AM to 9 PM in 2016 using four thermal stress indices including wet-bulb globe temperature (WBGT), environmental stress index (...

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