The development of agriculture and industry and the increase of population in countries with arid to semi-arid climates have led to more harvesting of groundwater resources and as a result land subsidence in different parts of the worlds. Decades of groundwater overexploitation in the Kashmar-Bardaskan plain in the north-east of Iran has resulted substantial land subsidence in this plain. The p...

background and objectives: although mild stress can bring vitality and dynamics into life, excessive stress can result in physical and psychological illnesses. scientific achievements have failed to take an effective step in controlling stress. one of the most effective factors on stress is religion and religious beliefs. the purpose of the present study was to determine mental health and stres...

during a funistic survey of natural enemies of pomegranate aphid (aphis punicae pass.) in kashmar region, specimens of an endoparasitoid belonging to family cecidomyiidae was collected which identified as endaphis perfidus keiffer 1896. endaphis perfidus is one of the six species in the genus endaphis in the world that was previously reported from acer aphid, drepanosiphum planatoides (schrank)...

The remains of the natural and human activities in some parts of the earth register as geopark. Actually, geopark is one or more geological phenomenon which is important from ecology, history, culture and archeological view. The aim of the geotourism description in an area and creating a geopark is trying to keep the earth's inheritance and locality the economic of the area. Iran with an old hi...

abstract potato virus a (pva) is one of the members of genus potyvirus. pva particles are straight to slightly flexuous rods and contain of single stranded rna. in the spring and summer of 2005, sampling accomplished to determine potato virus a from potato fields in northern and razavi khorasan provinces. samples with mosaic, shining and rolling of leaves carried in ice chamber to laboratory fo...