Q fever is a zoonosis caused by Coxiella burnetii which infects various hosts, including humans and animals. As Q fever is considered a public health problem and there is little epidemiological information on the status of the disease in various parts of Iran, the presented study was carried out to evaluate the seroepidemiology of Q fever among sheep in the province of Mazandaran, northern Iran...

introduction due to the proximity to the sea, beaches always attracted tourists. on the other hand the coastal ecosystems are the most important and sensitive dual nature (land, naval), and variety of animal species are within themselves. the most important (and also longest) coastal area in iran are persian gulf and gulf of oman in south with about 2530km long and caspian sea in north with abo...

the study was carried out in the ilam oak forest that is located in the west part of iran. the objective of this research was to determine the plant ecological groups and site classification in this region. data were collected from 117 sample plots using the systematic-random sampling method. the size of sampling plots was 20 m?20 m for the tree and shrub species and 1.5 m ?1.5 m for herbaceous...

the aim of this study is comparison of soil characteristics and biodiversity in plantation of bald cypress and caucasian alder forest stands in kludeh region (mazandaran province). in order to study biodiversity in forest stands and control region, 10 sample plots (releve) were selected and the name and abundance of plant species of the forest floor were recorded. biodiversity of herbal plants ...

land use change may influence many natural phenomena and ecological processes, including runoff, soil erosion, sedimentation and soil conditions. decreasing of forest area in the north of iran is one of the critical problems in recent years. the aims of this study are to detect land use changes between 1967 to 2002 using satellite images of land sat 7 etm+ (2002), aerial photos and digital topo...

BACKGROUND AND PURPOSE Tuberculosis (TB) poses a serious threat to public health throughout the world but disproportionately afflicts low-income nations. The aim of this study is to identify the high-risk areas in Mazandaran province (northern Iran) in helping the heath programmer for the best intervention. MATERIALS & METHODS This is an ecological study conducted from 1999 through 2008. The ...

a leaf spot disease caused by strains of xanthomonas in wild primrose (primula vulgaris) were reported in several forest locations of mazandaran (rahimian. 1995. 12th  iran. plant protec. cong. p. 278). based on a genomic study of its area and 16s rrna gene sequencing, it was reported that some isolates causing leaf spot of p. vulgaris probably belong to x. campestris (rahimian et al. 2008. 18t...