after the cold war, the concept of international security underwent a modification. among the most important components of such a transformation, the consolidation of ‘environmental security’, a topic in international security, can be taken into account. environmental security deal with threats that are not only the unintentional result of social and economic activities but are very slow in...

lack of awareness of the critical factors involved in production of plants and sometimes, the cultivation of plants in areas unsusceptible to plant, can increase the amount of chemical fertilizer consumption in order to compensate the subsequent reduction of plant yield. this would increase environmental pollution. thus, identifying of suitable areas where could supply plants initial needs of t...

introduction spatial studies as the main tools for the detailed study of all tangible and intangible aspects of regions have special ranks among all kinds of planning. the conformity of this organization with physical environment forms the spatial structure of which is usually observed as a distributed and isotropic spatial structure, focus and polar, unbalanced and haphazard, random and balanc...

To identify critical sediment sources in large catchments, using easily available terrain information at a regionalscale, a methodology was developed to obtain a qualitative assessment necessary for environmental management.Fargas et al method was employed in the research. The study was carried out in one of the sub-basins of Hableh Roodbasin called Dehnamak in the arid and semiarid climate of ...

This study was examined to investigate the impact of environmental poverty on the criminal behavior of young people in marginal areas. The population of this study included all the youths in the marginalized schools of Isfahan. Sampling was done randomly. The sample size includes 358 students in marginalized areas. For youth with high PC, significant factors included high levels of attitudes to...