Problem statement: Land use change has transformed a vast part of the natural landscapes of the developing world for the last 50 years. Land is a fundamental factor of production and though much of the course of human history, it has been tightly coupled with economic growth. Soil erosion by water is one of the most important land degradation processes in the Mediterranean basins. The unplanned...

Metaheuristic techniques have successfully contributed to the development and optimization of large-scale distributed power systems. The archived literature demonstrate that the modification or tuning of the parameters of specific metaheuristics can provide powerful tools suited for optimization of power plants with different types of constraints. In spite of the high potential of metaheuristic...

A faunistic study of springtails (Hexapoda, Collembola) from Hezarjirib forests (Neka, Mazandaran) with three new records Iran

BACKGROUND Regarding to the significant of the possibility of the malaria epidemic and nuisance of mosquitoes during the active season, the fauna and some ecological activities of mosquitoes in related to tree holes were investigated from April to December 2009 in Neka county of Mazandaran Province, northern Iran. METHODS Larval collection was carried out from natural, artificial breeding pla...

the frequency and impacts of floods have increased in iran in the past few decades. as flood events are in most instances associated with human activities, mitigating their impacts requires non-structural and community-based initiative alongside structural measures. in this connection, the concept of community resilience has been advanced in recent times, which attaches importance to interactio...