نتایج جستجو برای: keywords natural resources
تعداد نتایج: 2569856 فیلتر نتایج به سال:
the purpose of this present study is recognizing suitable extension methods and techniques influencing utilize knowledge, attitude and skills of natural resources perimeter sustainable management of natural resources. in this research sustainable management of natures resources is to struggle for prevention of changing renewable nature resources to lands agricultural, prevention of use more fro...
background: environment and its ecosystems are affected by various natural and man-made disasters. the environmental management in disasters tries to protect ecosystems, sustain development, reduce disaster risk, and adapt to or decrease the impact of climate change. this study aimed to investigate the impact of disasters on the environment and methods of reducing these effects. materials and m...
The activity concentrations of 235U, 232Th, 226Ra, 40K and 137Cs in ground and surface of drinking water resources in Iranian city of Arak were determined by gamma ray spectrometry with aHPGe detector setup, coaxial p type and 8192 channels MCA. The water samples differed in radioactivity content depending on their origin and place. In the ...
چکیده ندارد.
the farmers of the future (fof) initiative implemented a programme of integrating natural resources management in the basic education curriculum. the purpose of the study was to document activities and determine the effects of fof programme on primary school learners’ perceptions towards natural resources management by comparing learners involved in the fof programme and those not involved. fur...
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