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Week of July 11, 2010

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Spain's world share of science and social-science papers over a recent five-year
period, expressed as a percentage of papers in each of 21 fields in the Thomson
Reuters database. Also, Spain’s relative citation impact compared to the world
average in each field, in percentage terms.

Field % papers fr. Spain Impact vs. world
Agricultural Sciences 7.11 +22
Space Science 6.73 +13
Microbiology 4.65 -12
Environment/Ecology 4.65 +12
Mathematics 4.56 +9
Plant & Animal Science 4.37 +17
Economics & Business 4.32 -30
Computer Science 4.20 -15
Chemistry 3.97 +19
Spain's overall percent share, all fields: 3.53
Physics 3.50 +34
Engineering 3.45 +11
Neuroscience & Behavior 3.34 -14
Molecular Biology & Genetics 3.20 -11
Geosciences 3.13 -7
Psychiatry/Psychology 3.11 -32
Biology & Biochemistry 3.04 -10
Immunology 3.02 -15
Clinical Medicine 2.89 +13
Pharmacology & Toxicology 2.83 -7
Materials Science 2.60 +16
Social Sciences 2.38 -44

Between 2005 and 2009, Clarivate Analytics indexed 183,542 papers that listed at least one author address in Spain. Of those papers, the highest percentage appeared in journals indexed in the category of agricultural sciences, followed by space science. As the right-hand column shows, the impact of agricultural-sciences papers from Spain-based authors exceeded the world average by 22% (3.66 cites per paper for Spain versus the world average of 3.01 cites). Spain’s performance in relative impact was also solid in physics (34% above the world mark), chemistry (19% above), and plant & animal science (+17%).

SOURCE: National Science Indicators, 1981-2009 (containing listings of output and citation statistics for more than 170 countries; available in standard and deluxe versions from the Research Services Group).

 
 

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