Environmental standard review plans are prepared for the guidance of the Office of Nuclear Reactor Environmental standard review plans are prepared for the guidance of the Office of Nuclear Reactor Environmental standard review plans are prepared for the guidance of the Office of Nuclear Reactor Environmental standard review plans are prepared for the guidance of the Office of Nuclear Reactor R...

It is widely believed that urban ecological landscape regards the city to be an ecosystem built by human activities and supported by natural and man-made functions and processes over time. In the past, human communities have selected their residing places and designed their cities by paying attention to natural environmental resources. The profound influence of technology and industry has broug...

in this research, in order to investigate risks land hazards involved in land use, overlay method was employed, check list method was used to assess the environmental impacts, and to determine the adverse effects and relative priority of modifications, matrix method was applied. the process includes understanding technical specifications of the proposed projects and the environment under threat...

Short-lived positron-emitting radiotracer techniques provide time-dependent data that are critical for developing models of metabolite transport and resource distribution in plants and their microenvironments. Until recently these techniques were applied to measure radiotracer accumulation in coarse regions along transport pathways. The recent application of positron emission tomography (PET) t...

This study aimed to assess ecological quality status of hard substratum macroinvertebrates communities of the Caspian Sea with three ecological indices and their relation with environmental factors. For this purpose benthic communities of the Caspian Sea basin were studied seasonally during 2014 in 8 sampling sites. Temperature, salinity, dissolved oxygen, pH, nitrate, nitrite, silicate and pho...

ecotourism has a close relationship with environment, so a deserving evaluation of environmental potentials can lead to improvement of plans and prevention of failure in tourism development, and avoids unexpected damages to environment. this study tries to investigate and evaluate the environmental potential of khansar in order to develop tourism in this area. khansar has many different capabil...

the proposition that natural areas need protection from the destructive actions of people iswidely accepted. this paper examines iran’s e-society attitudes and capital towards biodiversity conservationand evaluates economically iran’s national parks (nps). 2,121 respondents answered an online questionnaire conducted in summer 2012. the majority of respondents had visited one of iran’s nps. almo...

To effectively manage large natural reserves, resource managers must prepare for future contingencies while balancing the often conflicting priorities of different stakeholders. To deal with these issues, managers routinely employ models to project the response of ecosystems to different scenarios that represent alternative management plans or environmental forecasts. Scenario analysis is often...

Increasing interest in sustainability has led to a growing number of initiatives directed at environmentally sustainable operations. However, a systems perspective with hierarchically structured principles is often not a prerequisite to these action-oriented efforts. While the linkage between overall guiding principles and the definition of successful outcomes has been addressed in other areas,...