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Table 1 Subject areas of the retrieved documents

From: Bibliometric analysis of peer-reviewed literature on food security in the context of climate change from 1980 to 2019

Rank Subject area Frequency
N = 5960
%a
1 Environmental Science 3036 50.9
2 Agricultural and Biological Sciences 2333 39.1
3 Social Sciences 1597 26.8
4 Earth and Planetary Sciences 982 16.5
5 Biochemistry, Genetics and Molecular Biology 533 8.9
6 Energy 403 6.8
7 Medicine 397 6.7
8 Engineering 382 6.4
9 Economics, Econometrics and Finance 331 5.6
10 Multidisciplinary 218 3.7
  1. aThe total percentage is greater than 100% due to overlap among different subject areas
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