نتایج جستجو برای: common property resources

تعداد نتایج: 1072823  

2002
Marco Boscolo Ramiro Molina Robert Wade Elinor Ostrom Daniel Bromley

In rural areas of developing countries, farming systems tend to be household-based. These household production systems are also highly integrated with land-based natural resources such as forests, range areas and pasture lands. Households depend on these resources for fuels, animal food, building materials, fruits and medicines, and often these resources have ownership and control structures th...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده مهندسی عمران 1392

abstract in aggregate, active forms of reactive silica with mineral names are sometimes associated with sand and gravel in concrete mixture. alkali hydroxides originated from alkalis in the cement or other resources form an alkaline silica gel with this reactive silica which becomes swallowed and expanded during time causing damage to concrete. there have been growing researches on alkaline r...

Journal: :DEStech Transactions on Social Science, Education and Human Science 2017

Journal: :Scientific Notes of Taurida National V.I. Vernadsky University. Series: Economy and Management 2020

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