نتایج جستجو برای: water protection resource

تعداد نتایج: 915353  

Journal: :محیط زیست طبیعی 0
منا عزیزی جلیلیان دانش آموخته کارشناسی ارشد محیط زیست، دانشگاه تهران، ایران افشین دانه کار دانشیار دانشکده منابع طبیعی، دانشگاه تهران، ایران آرش جوانشیر استادیار دانشکده منابع طبیعی، دانشگاه تهران، ایران حسین شعبانعلی فمی دانشیار دانشکده اقتصاد و توسعه کشاورزی، دانشگاه تهران، ایران افشین علیزاده استادیار دانشکده منابع طبیعی، دانشگاه تهران، ایران حمید گشتاسب میگونی استادیار دانشگاه محیط زیست، ایران

the protection and use of recreational areas as a sustainable resource can be a very significant issues, especially when they are located within a protected areas. different management approaches such as limits of acceptable changes (lac) can be performed to provide the balance between the use and the protection of resources. lac method is one of the planning frameworks that are used in tourism...

C.A.P. Grandchamp E. von Sperling,

The paper presents the case study of the current formation of a Brazilian pit lake from an iron ore mining activity. The water used for the filling of the lake comes from rain, ground water and the complementary pumpage from a close river. At its final stage, which will be reached around year 2018, Lake Aguas Claras will have a surface area of 0.67 km2 and the depth of 234 m, which will make it...

Journal: :EMBO reports 1995
Robert G Bryant Mark A Johnson Peter J Rossky

The Water Sector Government Coordinating Council (GCC) is pleased to concur on the 2007 Water Sector-Specific Plan (SSP). This plan provides the overarching framework for integrating Water Sector critical infrastructure and key resource protection efforts into a unified program coordinated by the Department of Homeland Security (DHS). Through direct collaboration, the Water Sector Coordinating ...

2013
Dietrich Earnhart

A meaningful economic literature examines businesses’ environmental management efforts expended during the economic-political transition in Central and Eastern Europe and the former Soviet Union. Over a similar time frame as this transition, many firms in developed countries were integrating environmental components into their business strategies and finding this integration profitable. A growi...

2009
Hongshu Wang

Ecological environment is the material base of the development of ecotourism. The ecotourism cannot develop well without high quality ecotourism environment. The goal of ecotourism development is to protect ecological environment, which is also the essential characteristic of ecotourism different from other kind of tourism. This paper tries to discuss the community participation in environmenta...

2003
TWAN HUYBERS JEFF BENNETT

Environmental management at nature-based tourism destinations includes a private and a public component. The former refers to voluntary environmental protection activities carried out by individual (and groups of) tourism operators. These activities are motivated by the dependence of the product provided by the tourism industry on the quality of the natural environment. Public sector management...

Journal: :Management Science 2014
Nilanjana Dutt Andrew A. King

Many scholars have argued that systems for treating waste impede organizations from preventing waste in the first place. They theorize that “end-of-pipe” (EOP) treatment diminishes the incentive to avoid creating waste in the production process and obscures the information necessary to devise prevention techniques. This prediction has been accepted widely, influencing both policy and practice, ...

Journal: :تحقیقات مهندسی کشاورزی 0
محمدکاظم شعبانی دانشجوی سابق کارشناسی ارشد تورج هنر استادیاربخش مهندسی آب دانشکده کشاورزی دانشگاه شیراز علیرضا سپاسخواه استاد بخش مهندسی آب دانشکده کشاورزی دانشگاه شیراز

in recognition of the value and limitations of available water resources in agriculture and the occurrence of periodic drought in iran, water conservation and optimal usage of available water is essential. the main objective of this study was to optimize field water management and cropping patterns using deficit irrigation. the effect of reducing water consumption on different growth stages usi...

Journal: :بوم شناسی کشاورزی 0
حمزه میرحاجی مهدی خجسته پور مجید عباسپور فرد سید محمد مهدوی شهری

the importance of environmental protection in modern communities is vital, the action and implementation of any program requires the sufficient knowledge and understanding of environment. one of the methods to preserve natural resources and achieving sustainable development, especially sustainable agriculture, is the environmentally evaluation of agriculture production processes. life cycle ass...

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