Field rankings for Spain

Data provided by Thomson Reuters from its Essential Science Indicators, January 1999-December 2009

April 1, 2010

 Field Papers CitationsCitations per paperWorld average % +/–
1Physics28,646 317,344 11.088.82+26
2Agricultural sciences 12,424 98,594 7.946.73+18
3Materials science11,684 82,759 7.086.44+10
%3D4Chemistry46,093 534,686 11.6010.61+9
%3D4Engineering22,401 107,776 4.814.43+9
%3D6Plant/animal sciences 22,174 173,462 7.827.49+4
%3D6Space science7,397 108,558 14.6814.10+4
%3D8Environment/ecology10,386 109,455 10.5410.70–1
%3D8Mathematics11,463 37,667 3.293.34–1
10Clinical medicine56,101 688,250 12.12.63–3
11Geosciences7,391 63,5 8.569.39–9
12Pharmacology5,061 52,170 10.3111.80–13
13Microbiology7,528 97,036 12.8915.60–17
14Molecular biology8,096 170,304 21.0425.63–18
15Biochemistry 16,349 226,765 13.8717.04–19
16Neuroscience9,387 142,319 15.1619.07–21
17Immunology3,514 57,834 16.4621.50–23
18Computer science9,791 24,938 2.553.45–26
19Economics/business4,994 20,204 4.055.72–29
20Psychiatry/psychology 6,260 36,663 5.8610.74–45
The data above were extracted from the Essential Science Indicators database of Thomson Reuters. The database, currently covering the period January 1999 to December 2009, surveys only journal articles (original research reports and review articles) indexed by Thomson Reuters. Articles are assigned to a category based on the journals in which they were published and the journal-to-category field-definition scheme used by Thomson Reuters.

Spain ranks ninth in output, 11th in citations received and 23rd in citations per paper among nations publishing 50,000 or more papers during the period across the science and social science fields surveyed. The table above ranks fields for Spain by relative citation impact, that is, citations per paper in a field compared with world citations per paper score in the same field. Spain’s percentage above or below the world average is presented in the column at the far right. Exceptional areas of strength are physics, agricultural sciences, materials science, chemistry and engineering.

For further information, see: http://scientific.thomsonreuters.com/products/esi

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