博文
中国Plant & Animal Science学科影响排名第十
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This month from ScienceWatch.com, we have listed our "top 20" nations in Plant & Animal Science by total citations. The data were extracted from the Essential Science IndicatorsSM database from Thomson Reuters.
This database, currently covering the period January 2000-December 31, 2010, surveys only journal articles (original research reports and review articles) indexed by Thomson Reuters. Read more below.
| Rank | Country | Papers | Citations | Cites per paper | |
|---|---|---|---|---|---|
| 1 | USA | 156,750 | 1,615,688 | 10.31 | |
| 2 | ENGLAND | 31,291 | 413,023 | 13.20 | |
| 3 | GERMANY | 37,918 | 394,099 | 10.39 | |
| 4 | JAPAN | 39,233 | 315,014 | 8.03 | |
| 5 | CANADA | 32,544 | 304,365 | 9.35 | |
| 6 | FRANCE | 27,516 | 289,217 | 10.51 | |
| 7 | AUSTRALIA | 27,110 | 254,927 | 9.40 | |
| 8 | SPAIN | 22,872 | 188,343 | 8.23 | |
| 9 | NETHERLANDS | 12,592 | 148,475 | 11.79 | |
| 10 | PEOPLES R CHINA | 27,217 | 146,049 | 5.37 | |
| 11 | ITALY | 18,352 | 131,542 | 7.17 | |
| 12 | SCOTLAND | 10,094 | 119,427 | 11.83 | |
| 13 | SWEDEN | 9,771 | 114,175 | 11.69 | |
| 14 | SWITZERLAND | 9,196 | 107,735 | 11.72 | |
| 15 | BRAZIL | 25,283 | 92,134 | 3.64 | |
| 16 | BELGIUM | 9,453 | 87,759 | 9.28 | |
| 17 | DENMARK | 7,518 | 84,828 | 11.28 | |
| 18 | NEW ZEALAND | 7,922 | 66,447 | 8.39 | |
| 19 | NORWAY | 6,807 | 65,867 | 9.68 | |
| 20 | INDIA | 20,652 | 65,591 | 3.18 | |
| Source: Essential Science IndicatorsSM from Thomson Reuters, time period: January 2000-December 31, 2010 (sixth bimonthly period of 2010). | |||||
Articles are assigned to a category based on the journals in which they were published and Thomson Reuters’s journal-to-category field definition scheme. Both articles tabulated and citation counts to those articles are for the period indicated. For articles with multiple authors from different nations, each nation receives full, not fractional, citation credit.
Essential Science Indicators lists nations ranked in the top 50% for a field over a given period, based on total citations. In Plant & Animal Science, 106 nations are listed, meaning 212 were surveyed. The average citation rate for field of Plant & Animal Science is 7.74.
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