We examined the density, diversity, and seasonal fluctuation of soil inhabiting Collembola in different ecosystems: agricultural, rangeland, forest ecosystems North Khorasan province Iran from June 2018 to May 2019. The sampling program was conducted monthly on three sites. Density measured number individuals per square meter. Species diversity calculated using Shannon?Wiener index, Simpson?s s...

Newcastle Disease (ND) is highly contagious infection of poultry that causes nervous signs and mortality in poultry. This study has been one during two years from 2010-2011 in Shiraz, Iran. The poultry industry in Fars province faced an almost heavy loss that was characterized by mild and in some flocks high mortality and respiratory distress. The aim of this study was designed to clarify the r...

Land use change and soil organic carbon stock (SOCS) depletion over time is one of the predominant worldwide environmental problems related to global warming need secure food production for an increasing world population. In our research, satellite images from 1988 2018 were analyzed a 177.48 km2 region in Kurdistan Province, Iran. Across study area. 186 disturbed undisturbed samples collected ...

This paper identifies new ways of moving from land degradation towards sustainable land management through the development of economic mechanisms. It identifies new mechanisms to tackle land degradation based on retaining critical levels of natural capital whilst basing livelihoods on a wider range of ecosystem services. This is achieved through a case study analysis of the Kalahari rangelands ...

Restoration of the degraded ecosystem is a global priority for achieving sustainable development. Although increasing ecosystem service is an important goal of ecological restoration, it is rarely used to inform mine reclamation. This study proposed a reclamation strategy that incorporated land suitability analysis and ecosystem service evaluation for a mining site in Liaoning Province, China. ...

BACKGROUND Diagnostic study of vector ticks for different pathogens transmitted specifically have been done by Iranian old scientists working on the basis of biological transmission of pathogens. In this study we decided to confirm natural infection of different collected ticks from three different provinces of Iran. METHODS Ticks were collected from livestock (sheep, goats and cattle) during...

Background: Pediculosis capitis is a common parasitic infection of children. In this study we assessed the prevalence of head pediculosis among the middle schoolchildren in the urban and rural areas of Fars province, southern Iran. Methods: All middle schoolchildren ages 11-14, in all the urban and rural areas of the province were screened for head lice infestation by examining their hair and s...

abstract rapid urbanization and concentration of population in urban areas is one of the main characteristics of today’s world. in developing countries lack of necessary infrastructures, disproportionate growth, insufficient planning skills and mismanagement have caused great disparities in the distribution of urban land uses. this brings insecurity among inhabitants and inhibits sustainable de...