today, environmental crisis and loss of natural resources are the principle causes of the creation of environmental management systems. the optimal management of natural resources requires the assessment and classification of ecological and environmental potentials. using this method, the abilities and restrictions of resources can be recognized, and their future trends can be predicted. nebka ...

background: composition of dust in the air due to contact with human via inhalation, ingestion and skin absorption will have a large impact on public health. in the learning environments such as universities, many people spend most of their day in contact with the dust. the purpose of this study was to evaluate the concentration of heavy metals lead, chromium and copper in the training space of...

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Ahmed Douaik1, Marc van Meirvenne2 and Tibor Tóth3,4 1Research Unit on Environment and Conservation of Natural Resources, National Institute of Agricultural Research (INRA), Rabat, 2Department of Soil Management, Ghent University, Ghent, 3Department of Soil Science, Research Institute for Soil Science and Agricultural Chemistry, Budapest, 4Rural, Water and Ecosystem Resources Unit, Institute fo...

1 School of Biological Sciences, School of Environment, Natural Resources and Geography, College of Natural Sciences, Bangor University, Bangor, UK, 2 Centre for African Conservation Ecology, Nelson Mandela Metropolitan University, Port Elizabeth, South Africa, 3 Centre for Wildlife Management, University of Pretoria, Pretoria, South Africa, 4 Wildlife Conservation Research Unit, Department of ...

Wildlife Conservation Society, New York, NY, USA, Centre for Wildlife Studies, Bangalore, India, 3 Environmental Science and Policy, Nicholas School of the Environment, Duke University, Durham, NC, USA, 4 India Program, Wildlife Conservation Society, Bangalore, India, Department of Wildlife Ecology and Conservation, School of Natural Resources and Environment, University of Florida, Gainesville...