نتایج جستجو برای: spatial and temporal distribution
تعداد نتایج: 16963848 فیلتر نتایج به سال:
The interaction among social economy, geography, and environment leads to the occurrence of traffic accidents, which shows relationship between time space. Therefore, it is necessary study temporal spatial correlation provide a theoretical basis for formulating accident safety management policies. This paper aims explore patterns in 31 provinces China by using statistical analysis clustering an...
Ecosystem health and the accomplishment of Sustainable Development Goals require biodiversity. However, causes biodiversity loss, as well regional differences in their repercussions, remain poorly understood. We focused on temporal aspects that influence distribution. Though transportable data is rarely convenient for providing accurate images proportions distribution all components various eco...
During 12 months of sampling, from 17 stations, 327 specimens of Soboor fish Tenualosa ilisha, including 120 females, 113 males and 86 immature were caught. Total length (TL) of the fishes was 120-500mm. Maximum diameters of soboor ova 0.795mm and the ova with diameter more than 0.7 mm released at one spawning round. Temporal and spatial distribution of ova diameter corresponding to GSI changes...
rivers and runoff have always been of interest to human beings. in order to make use of the proper water resources, human societies, industrial and agricultural centers, etc. have usually been established near rivers. as the time goes on, these societies developed, and therefore water resources were extracted more and more. consequently, conditions of water quality of the rivers experienced rap...
the diversity and distribution of the rotifers family notommatidae was studied in the northwest, the south and the southwest of iran. in total, 29 species were identified, of which, 25 are new records for the country. new records include the following species: cephalodella forficata, c. cf. mus, c. vittata, c. ventripes, c. lepida, c. inquilina, c. gibboides, c. tincaformis , c. obvia, c. stere...
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