نتایج جستجو برای: conservation and management of water resources

تعداد نتایج: 24149516  

Journal: :International Journal on Design and Manufacturing Technologies 2007

2015

Follow this and additional works at: http://digitalscholarship.unlv.edu/water_pubs Part of the Aquaculture and Fisheries Commons, Biology Commons, Desert Ecology Commons, Environmental Engineering Commons, Environmental Health and Protection Commons, Environmental Monitoring Commons, Fresh Water Studies Commons, Natural Resources and Conservation Commons, Natural Resources Management and Policy...

بارانی, حسین, دریجانی, علی, رستگار, شفق, شیخ, واحدبردی, قربانی, جمشید, قربانی, محمد,

One of non-forage functions of rangelands vegetation is soil conservation and prevents it from erosion. Water soil erosion has economic, social and environmental implication due to both on-site and off-site effects. So, the objective of this study was to assess the on-site effect of water erosion on conservation function of summer rangelands vegetation, using a combination between economic valu...

2015
Larry J. Paulson L. J. Paulson

Follow this and additional works at: http://digitalscholarship.unlv.edu/water_pubs Part of the Environmental Chemistry Commons, Environmental Indicators and Impact Assessment Commons, Environmental Monitoring Commons, Fresh Water Studies Commons, Natural Resource Economics Commons, Natural Resources and Conservation Commons, Natural Resources Management and Policy Commons, Sustainability Common...

سفیانیان, علیرضا, درویشی, آصف , فاخران, سیما , قربانی, مهدی ,

One of the most important approaches for policy making in order to biodiversity conservation and wildlife management is co-management of natural resources. Local stakeholders are one of the main elements in this approach. This is necessary to consider social network analysis in the framework of social-ecological systems toward biodiversity conservation and sustainable wildlife management. In th...

Journal: :اکو هیدرولوژی 0
سمانه پورمحمدی پژوهشگر مؤسسۀ تحقیقات آب ایران و کارشناس مرکز ملی تحقیقات و مطالعات باروری ابرها (ph.d) محمدتقی دستورانی دانشیار دانشگاه فردوسی مشهد هادی جعفری استادیار دانشکدۀ علوم زمین، دانشگاه صنعتی شاهرود محمدحسن رحیمیان دانشجوی دکتری مهندسی آب، دانشگاه صنعتی اصفهان و کارشناس مرکز ملی تحقیقات شوری مسعود گودرزی عضو هیئت علمی پژوهشکدۀ حفاظت خاک و آبخیزدار ی زهرا مسماریان دانشجوی کارشناسی ارشد مهندسی منابع آب، دانشگاه تهران، پردیس ابوریحان فاطمه باقری

recent droughts and indiscriminate use of ground water for agriculture, is the main problems of the especially desert country.water crisis has gripped all of country plains, and due tothe reduction of surface water resources and successive droughts, illegal exploitation of ground water resources is increasing.the knowledge of the water balance plains can be helped in the water resources managem...

Journal: :بهره برداری و پرورش آبزیان 0
آرش جولاده رودبار دانشجو صابر وطن دوست دانشگاه آزاد اسلامی

study of fishes on aquatic ecosystems in many respects, including ecology, behavior, biology, conservation and management of water resources, exploitation of resources and training are important. so in the autumn 2011, the population structure of barilius mesopotamicus was studied. in this order, 69 samples of the mentioned fish from seimareh (34 samples), changoleh (20 samples) and siahgave (1...

Ali Ashraf Jafari Amin Farnia, Ata Elmi Mohammad Bakhtiari

The objectives of this research were to study the varieties and relationships of yield and quality traits under two harvesting management procedures concerning forage dry matter (DM yield) and 5 quality traits such as Dry Matter Digestibility (DMD%), Water Soluble Carbohydrates (WSC%), Crude Protein (CP%), Acid Detergent Fibre (ADF%) and total ash in tall wheatgrass (Agropyron elongatum). In th...

Journal: :Environmental monitoring and assessment 2009
Quanfa Zhang Zhifang Xu Zehao Shen Siyue Li Shusen Wang

The South-to-North Water Transfer (SNWT) Project of China is the largest of its kind ever implemented. Of its three routes (i.e., East, Middle and West), the middle one will transfer 14 billion m(3) of water annually from the Han River, a tributary of the Yangtze and the water supplying area, to Beijing by 2030. Thus water quality in the 95,000 km(2) upper Han River basin is of great concern. A...

Journal: :Sumarski List 2023

Europski pitomi kesten plemenita je listača od koje imamo višestruku gospodarsku korist. Osim jestivih plodova i kvalitetnog drva, kestenove šume su još davnina predstavljale važan izvor različitih sirovina. Međutim, intenzivnim korištenjem kestenovih šuma nasada te pojavom raka kore, sredinom prošloga stoljeća došlo do njihovog propadanja sušenja. Iz tih razloga u mnogim europskim zemljama pok...

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