نتایج جستجو برای: conservation and management of water resources

تعداد نتایج: 24149516  

RW Bussmann

Scientists widely agree that species extinction has heavily accelerated in the last decades. A grave problem for the conservation of diversity is the still very fragmentary knowledge of the ecology of most species. Attempts of sustainable management and conservation must integrate local communities and their traditional knowledge. Management decisions need to include the high importance of natu...

ژورنال: مرتع 2021
Azarnivand, Hossein , Poorbagher, Seyed Mehdi, Saleh, Iraj, Yeganeh, Hassan,

Water, as the most valuable component of natural resources, is badly needed by humanbeing for various perposes. Understanding of water conservation role of different types of rangeland ecosystems, increases the accuracy of monetary value estimation and  prevents underestimation its value by consumers. This study focuses on  the role of vegetation to increase water storage. For that, the runoff ...

Journal: :کشاورزی (منتشر نمی شود) 0
زهرا زارعی دستگردی مربی، دانشگاه پیام نور مرکز گلپایگان، اصفهان هوشنگ ایروانی دانشیار، دانشکده اقتصاد و توسعه کشاورزی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران حسین شعبانعلی فمی دانشیار، دانشکده اقتصاد و توسعه کشاورزی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران آرزو مختاری حصاری مربی، دانشگاه پیام نور مرکز اهر، آذربایجان شرقی

a number of 1810 members of the water user associations (wuas) of jarghouyeh district consisted the statistical population of the study, out of which 150 farmers were selected as sample using proportionate stratified random sampling technique. a questionnaire was developed for gathering the data and information. content validity and cronbach alpha proved both the validity and reliability of the...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده ادبیات و علوم انسانی 1389

abstract abstract of thesis (includes summary, goals, execution methods, and results) story “al-obnosat al-bayza” is one of the short stories from “hanna mineh” collection. this story is a selection of lives of some humans during a voyage together, each of them is a symbol of human nature (love, mind, kindness) and examine social, cultural, and political aspects of governing system, and it...

Journal: :مدیریت آب و آبیاری 0
نسترن چیت ساز کارشناس ارشد گروه مهندسی آبیاری و زهکشی، پردیس ابوریحان، دانشگاه تهران، پاکدشت - ایران محمد ابراهیم بنی حبیب دانشیار گروه مهندسی آبیاری و زهکشی، پردیس ابوریحان، دانشگاه تهران، پاکدشت – ایران

the multi-criteria decision making model is an important tool for decision making in water resource management. in this paper, the topsis model was used to rank seven flood management options in the gorganrood river flood management project, including conservation of natural condition, golestan reservoir management, levee construction, diversions-channel construction, flood forecasting and warn...

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Background: Public participation in decisions regarding natural resources is the easiest way to ‎preserve these resources. It seems that having human of conservation ethics of natural resources, ‎has affect on their participation in the preservation of natural resources. This survey research was ‎done to investigate the relationship between conservation ethics of natural resources and ‎particip...

2013
George Nyamadzawo Menas Wuta Justice Nyamangara Douglas Gumbo

Climate change has resulted in increased vulnerability of smallholder farmers in marginal areas of Zimbabwe where there is limited capacity to adapt to changing climate. One approach that has been used to adapt to changing climate is in-field water harvesting for improved crop yields in the semi- arid regions of Zimbabwe. This review analyses the history of soil and water conservation in Zimbab...

Journal: :آب و توسعه پایدار 0
معصومه یوسف زاده چابک علی باقری کامران داوری

integrated assessment of water resources systems, as one of the iwrm basic steps, is the most important stage in the process of planning and implementing water resources management. water accounting frameworks have been introduced for organizing water data and combining them with economic data to come up with effective strategies towards greater productivity with maintaining or improving enviro...

حسینی خدادادی, مهدی, مظفری, محمدمهدی, پرهیزکاری, ابوذر, پرهیزکاری, رویا,

In this study, the influencing factors on farmers' participation in use of soil and water conservation practices were investigated using the farmers' experiences in Shahroud river basin. For achieving this goal was used from multinomial logit model. The required dates are related to year 2011-2012 that by completing the questionnaire from 138 sample farmers were collected. To select the sample ...

Journal: :پژوهش های روستایی 0
محمد سلمانی دانشگاه تهران، دکترای جغرافیا و برنامه ریزی روستایی علی طورانی دانشگاه تهران، کارشناس ارشد جغرافیا و برنامه ریزی روستایی محمدامین خراسانی دانشگاه تهران، دانشجوی دکتری جغرافیا و برنامه ریزی روستایی

introduction according to world population growth that is over 6 billion people, drinking water supply in cities and villages is one of the concerns of politicians and residents, so the 21st century is named century of water stress or hydrological stress. one of goals of world water organization will be supply the drinking water for all until 2025. it is worth mentioning that highest population...

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