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The purpose of this present study is to investigate the frequency and variation of sandstorm in Minqin Oasis. Using daily observational data of sandstorm and other meteorologic data from 1954 to 2000, we have illuminated the relationship between sandstorm, meteorological parameters and human activities. The results of the analysis show that the highest frequency of sandstorms occurrence and their duration mainly focus on March, April and May, especially in April. Most of sandstorms occur from midday to nightfall, but relative few appear from midnight to forenoon, which apparently correlates to the daily variations of atmospheric thermal stability within atmospheric boundary layer. Monthly mean and annual mean duration of sandstorms coincide well with the frequencies of sandstorm occurrence. [ABSTRACT FROM AUTHOR]

We report the full-genome sequence of a goose-origin reovirus (GRV) strain 03G from Zhejiang Province, China. This is the first report of the complete genomic sequence (segments 1 to 10) of GRV. Phylogenetic analyses of the sequence suggest that GRV 03G represents a new species distinct from other established species within the avian reovirus (ARV) group of orthoreoviruses. [ABSTRACT FROM AUTHOR]

Duck tembusu virus (DTMUV) is an emerging agent that causes a severe disease in ducks. We report herein the first complete genome sequences of duck tembusu virus strains YY5, ZJ-407, and GH-2, isolated from Shaoxing ducks, breeder ducks, and geese, respectively, in China. The genomes of YY5, ZJ-407, and GH-2 are all 10,990 nucleotides (nt) in length and encode a putative polyprotein of 3,426 amino acids. It is flanked by a 5' and a 3' noncoding region (NCR) of 94 and 618 nt, respectively. Knowledge of the whole sequence of DTMUV will be useful for further studies of the mechanisms of virus replication and pathogenesis. [ABSTRACT FROM AUTHOR]