نتایج جستجو برای: sistan basin
تعداد نتایج: 58076 فیلتر نتایج به سال:
Bu çalışmada İngiliz asker ve diplomat Charles Edward Yate’in Horasan Esterabad’da 1893 -1897 tarihleri arasında yaptığı gezi notlarından oluşturmuş olduğu Sistan isimli eserine istinat edilerek İran Horasanı Esterâbâd (günümüzde Gülistan) bölgesin etnik unsurları bunların yaşadıkları bölgeler incelenmiştir. Askeri diplomatik görevlerle uzun süre Afganistan’da bulunmuş olan Yate, bu iki ülkenin...
background & aim: medicinal plants, since time immemorial, have been used in virtually all cultures as a source of medicine and ethnobotany has prevent to be a valuable method to find new herbal medicine and plant derived drugs. material & methods: this study determined medicinally important plants that are most frequently by the local inhabitants of sistan to treat human diseases. in ...
abstract in this study the comparative advantage of wheat in sistan was investigated by using drc index and policy analysis matrix (pam) during 2006-2007. data were collected from zabol agri-jahad organization and annual foreign trade database. the npc index showed that there was an indirect tax on producers in all sectors. epc index represented that there were nonsupport of input and output ma...
Mobilization of As from geological materials into ground and drinking water sources may represent an important threat to human health. The objective of this study was to assess the As concentration and availability in underground water used as drinking water sources. Water samples were collected from public and private wells in Timis-Bega area of Pannonian Basin, West Romania. Total-dissolved A...
Cuatro Cienegas basin (CCB) is a biodiversity reservoir within the Chihuahuan desert that includes several water systems subject to marked seasonality. While several studies have focused on biodiversity inventories, this is the first study that describes seasonal changes in diversity within the basin. We sampled Pseudomonas populations from a seasonally variable water system at four different s...
Basin morphometry is a means of numerically analysing or mathematically quantifying different aspects of a drainage basin. In the present study, morphometric analysis of the Baitarani basin has been carried out using earth observation data and geographical information system (GIS) techniques. The morphometric parameters considered for analyses include the linear, areal and relief aspects of the...
The Mediterranean Sea is a marine biodiversity hot spot. Here we combined an extensive literature analysis with expert opinions to update publicly available estimates of major taxa in this marine ecosystem and to revise and update several species lists. We also assessed overall spatial and temporal patterns of species diversity and identified major changes and threats. Our results listed approx...
The campaign of opposition to MX missile deployment in the Great Basin of Nevada and Utah stands as a unique case of grassroots mobilization, because it took place in a region whose inhabitants both supported a strong U.S. military defense posture and considered the decision-making processes of foreign policy and national security remote to their overall concerns. This study holds that the two ...
Accelerated degradation of the wetlands and fragmentation of surrounding vegetation in the Andean-Orinoco Piedmont are the main threats to diversity and ecological integrity of these ecosystems; however, information on this topic is of limited availability. In this region, we evaluated the value of 37 lentic wetlands as reservoirs of woody and aquatic plants and analyzed diversity and changes i...
The Mar Piccolo basin is an internal sea basin located along the Ionian coast (Southern Italy), and it is surrounded primarily by fractured carbonate karstic environment. Because of the karstic features, the main continental water inflow is from groundwater discharge. The Mar Piccolo basin represents a peculiar and sensitive environment and a social emergency because of sea water and sediment p...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید