57.2K(top 0.1%)
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2.1M(top 0.1%)
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460(top 0.1%)
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738(top 0.1%)
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76.1K
all documents
2.5M
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35.4K
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Top Disciplines (by citations)

#DisciplineArticlesCitationsR ARankR CRank
1Biology1,938180,264165146
2Science1,609172,688211163
3Ecology2,240158,3172520
4Physics913114,025457269
5Natural history46889,515131166
6Microbiology98370,453150109
7Pollution1,00267,6773527
8Environment81763,3033734
9Chemistry87355,257505382
10Environmental Health70149,6396537
11Botany92546,5165659
12Molecular Biology70145,332387321
13Oceanography92442,30575
14Environmental Engineering56341,3563831
15Medicine89940,080446480
16United States1,68338,4336178
17Biochemistry84736,897427345
18Meteorology50836,3555632
19Geophysics86835,159102105
20Microbial Ecology43235,1392829
21Hydrology51130,350177
22sanitation24929,5315530
23Biotechnology31628,390346185
24Geology55528,0245433
25Genetics40927,336174187
26Research70526,131393360
27Planets46525,5886656
28Materials34222,520465290
29environmental protection36122,5032311
30Climatology25722,3867535
31Bioengineering11720,863486162
32Water28519,9363328
33Biodiversity conservation25919,8973138
34Technology30819,89311735
35Soil Science50719,7261615
36Plant cells11819,61810972
37Virology30319,609171263
38Geography50819,4412422
39Toxicology48919,2687464
40environmental pollution53118,5484862
41Plant diseases61017,1981521
42water supply22516,925196
43Biogeochemistry17816,307119
44Biochemical Engineering4316,047480112
45Climate change14915,9792636
46Eutrophication14815,9742536
47Entomology57415,5083326
48Earth Sciences18214,34914348
49Plants28314,2496178
50Cell Biology16614,214553514
51biological evolution14613,844155110
52Marine Biology38613,8323640
53Nutrition27213,799243191
54Agricultural Chemistry23913,1389639
55Evolution21013,0637994
56ecosystem13412,6362314
57Cytology13411,390702620
58Biodiversity21710,9424748
59Agriculture41110,9253428
60Materials Science23410,807439341
61Breeding20110,6943731
62Mycology23610,5302013
63Marine Meteorology17810,343104
64plant communities12710,1753422
65Molecular Genetics14610,0329968
66Plant physiology1399,78611599
67Bacteriology1239,71610779
68Pharmacology2189,687539383
69Conservation Biology1439,4412525
70Nanotechnology1899,422626561
71Food1639,10814064
72Biogeochemical cycles909,0651513
73food technology1769,0376529
74plant molecular biology1219,015121138
75Environmental Chemistry2298,97230105
76Molecular ecology1188,9055645
77Agricultural Ecology1708,2563236
78Diet1138,254229171
79Psychology2608,099378416
80Population Genetics1298,0484653
81Genomics1747,976184154
82Chemical Engineering1107,831584304
83nucleic acids777,710302262
84Immunology1127,627760631
85Environmental Policy1347,534108107
86Neurology1197,4191.2K998
87free radicals776,9235331
88Plant Ecology1496,9025369
89management1186,873252236
90Computational Biology826,854383257
91Teaching526,69819116
92Biophysics2256,696639525
93Nuclear Physics3716,582519686
94Agronomy3776,4541836
95Environmental Microbiology816,3897453
96Environmental monitoring1596,283153173
97Microorganisms346,24424164
98Public Health2046,205532569
99Ecosystem management706,1372012
100Sports Medicine2406,093128138
101Environmental pollutants1786,0473848
102pollutants1776,0442843
103Child Development1105,993186158
104Environmental Toxicology1375,77585117
105Solid State Physics1815,731611522
106soil microbiology895,6838067
107Condensed Matter1475,367684566
108Physiology1285,359617567
109Social Psychology1165,315189189
110Zoology1975,28898105
111gene mapping645,211276174
112natural products1135,2079348
113Sports2405,16197104
114Birds1905,1524236
115Aging2755,129132226
116Biocompatible Materials975,113677585
117Forest Management2585,03343
118Electronics1844,998337246
119Information Retrieval44,9734037
120Analytical Chemistry1724,880449478
121herbicides1844,8741012
122Geriatrics2994,828147275
123viruses904,826219232
124Endocrinology1034,741561618
125Pharmacognosy944,73810359
126Parasitology1404,716145115
127Insects774,70111542
128freshwater biology634,6664723
129Organic Chemistry1094,645414295
130Fisheries1774,6423632
131Fluid Mechanics1134,587207163
132carcinogens784,4996345
133Food Microbiology724,4918253
134Child psychology494,486303194
135Atmospheric Physics1374,464182238
136Epidemiology1464,380427467
137Immunity264,350842573
138Bioinformatics434,246556327
139Algae1014,2333429
140Animal Behavior1164,161158193
141Medical Oncology744,152402212
142mutagens714,1505243
143Carcinogenesis704,1475542
144Statistics1514,135207230
145Chromosome mapping594,132225131
146Developmental Psychology744,131101103
147Economics1534,127435362
148Seaweed854,0682015
149Catalysis734,062778563
150marketing414,058301156
151Forest Ecology1284,04978
152proteins764,043288189
153Education1924,038288237
154Petrology743,9588964
155Human genetics163,8861.4K1.2K
156Geotechnical Engineering1123,878810
157Medical Microbiology583,848482360
158Virulence323,838326186
159Gerontology2523,80599123
160Biogeography543,78211296
160Production Management333,78213260
162Paleoceanography623,7491416
163Operations Research403,720422115
164Environmental Geology1043,7122521
165Parasitic Diseases893,629173167
166Civil Engineering1583,6283810
167Industrial Engineering413,58438993
168Health Education1363,554105108
169protein573,546173130
170Molecular evolution543,528199173
171fuel cells253,513407163
172Hydraulic Engineering1393,502168
173Structural Engineering1223,4804829
174Mathematics3473,453426405
175Aquatic ecology1223,4401412
176Environmental Management853,421150189
176Animal ecology973,42198116
178miniaturization393,405478368
179Host-parasite interactions223,401452250
180Renewable Energy Sources443,396230215
181Mineralogy773,386191139
182Developmental Biology603,317451473
183Small Business293,3087255
184Optics1573,258558521
185California883,2542215
186Plant breeding1123,2243834
187Energy Conversion303,211335263
188Machine Learning233,1844228
189Water pollution803,182256283
190Neurophysiology553,177742687
191Medical Laboratory Science573,171286205
192Artificial Intelligence1583,124269406
193Reproduction1102,988252298
194Geochemistry1042,977143134
195Behavior762,967465488
196Spectrum analysis842,944682660
197Nanostructured Materials792,896665574
198Atmospheric Chemistry732,875181239
199Freshwater invertebrates272,84343
200Metabolism542,838823808
201Building782,8304210
202Psychophysiology972,803436592
203Sedimentology252,72813039
204Geomorphology422,7278137
205Microelectronics362,711468368
206Seismology652,6956344
207Biomass Energy592,692274309
208forestry1192,68987
209Wildlife conservation412,6797925
210Signal Processing1342,582240386
211Electrical Engineering2112,565293244
212Sociology952,547333338
213personality372,545227187
214Biomedical Engineering952,509739821
215Marine mammals832,497811
216Pharmaceutical Chemistry702,460849821
217Economic Development392,398188100
218Astronomy632,382875820
219Ocean Engineering1032,3663229
220Organelle biogenesis202,365234
221nanoscience382,358923714
222Origin of life192,336132
223energy development162,296172111
224Paleontology1682,29366145
225Landscape Ecology612,2391532
226Optical materials382,233708534
227Cancer782,2199311.1K
228health behavior442,217175119
229Restoration Ecology512,2151820
230plant viruses782,21198
231genome352,205440523
232Radio322,175438250
233Neurochemistry332,173806551
234Soil biology312,1727050
235Cell differentiation302,166666623
236Gene expression regulation252,130242213
237Physical Chemistry502,110562514
238Ethology612,107182263
239Bioorganic chemistry422,057674471
240Entrepreneurship132,043273105
241Microbial Genetics392,0402732
241phytopathogenic bacteria392,0402031
243Analytical Biochemistry392,00416281
244Social Sciences1092,001346341
245Groundwater711,9964330
246Phylogeny301,97213673
247older people2211,95874119
248natural disasters731,9494570
249Computer Graphics611,943179176
250Building Materials611,9346696
251Leisure441,9182422
252Soil ecology271,9087134
253Soil fertility251,8915125
254Sustainable Development491,886149183
255forest policy1541,86133
256mammals851,8585668
257Ornithology921,8576875
258Business521,855234290
259Developmental Immunology211,84315033
259Health promotion781,843162243
261bees431,8163324
262Psychiatry1041,7868631.4K
263Crystallography141,777993150
264wood1331,7701727
265Wetland ecology411,7642819
265Waterways831,76411
265Harbors831,76411
268Lipids291,761301219
269Plant genetic engineering881,75657158
270Software Engineering431,732126102
271Mites721,729158
272Cognition461,720356331
273Economic History571,716655260
274Pediatrics341,697896779
275environmental exposure421,696271197
276Genetic engineering501,680307453
277Neuropsychology431,672561484
278rehabilitation361,665562416
279Serology71,65731921
279Environmental Law351,657135207
281Drug delivery systems231,645333225
282human behavior481,619396547
283Plant tissue culture1041,6181347
284Robotics551,617206184
285Linguistics71,5881.1K164
286Oxidation-reduction231,579141176
287Cytogenetics181,576771592
288Protozoa231,5706059
289biological invasions501,5633041
290Remote Sensing221,53717734
291Fungi481,52973133
292recreation941,5183036
293Astrophysics541,5171.0K1.1K
294ports611,51623
295Parasites401,513245156
296Mass Spectrometry601,512159234
297Plant cell culture431,5115149
298Adolescent621,493333342
299Algal blooms131,4814329
299Cyanobacteria131,4814329
299microalgae131,4814329
302Colloids441,474967976
303Molecular Microbiology231,456322341
304Statistical physics681,436932964
305Agricultural systems91,435296
306Scandinavia421,4347156
307Neurobiology171,433883617
308Soil Mechanics441,427128119
309Telecommunication471,422552466
310Transportation1301,41678208
311Microwaves461,415331207
312Ecohydrology391,411108
313Polymers471,4101.5K1.3K
314Chemical Ecology451,3885677
315Molecular structure201,382706481
316Antioxidants181,368207185
317infection141,366852417
318families441,35310488
319Industrial Microbiology491,348267462
320counseling891,347116191
321pheromones441,3404474
322Infections131,320601327
323Comparative Physiology331,319118106
324biocatalysis31,31820784
324Homogeneous catalysis31,31820784
324Heterogeneous catalysis31,31820784
327Signal Transduction181,312583372
328Family391,298172155
328Exercise551,298173183
330Transgenic plants291,2896566
331Electrochemistry951,285530698
332Acarology411,2801412
332Ticks421,2801912
332Acari411,2801412
335Developmental Genetics81,276431290
336Data Mining371,274186256
337Water quality management681,265150219
338preventive medicine381,263238272
339Bryology781,25643
340Communication551,247306350
341Natural resources551,2383260
342mosses591,23533
342liverworts591,23533
344Plant Biotechnology381,233105127
344Quality Control511,233104118
346economic policy381,232503245
347concrete211,23115473
348Food additives261,23015489
349hazard mitigation501,2253564
350Histology211,221787538
351Engineering831,214492590
352Medical innovations191,193308467
353Health401,191570517
354Earthquake Engineering351,185180159
354brewing741,1851415
356data collection281,184125182
357Ceramics421,183347305
357Wetland conservation301,1833721
357Glass401,183253278
357pottery401,183246272
357Wetlands301,1833721
362Manufacturing Processes581,177279285
362Energy Storage151,177553235
364Immunotherapy61,1761.7K706
365Medical Anthropology321,164239279
366Biometrics491,161202258
367Roads1131,1595089
368Oncology291,1577461.2K
369Systems Biology371,155292212
370Geobiology521,1522745
371Psycholinguistics51,150785191
372Metallurgy381,144533354
373Surface Chemistry431,1438981.0K
374Genes281,141236164
375Plant Genetics211,138202212
376Early Childhood Education201,13313230
377Brain331,129870862
378Growth181,116604621
379Genetic regulation111,113676490
380Mental illness141,1091.2K848
381Vocational guidance481,108126133
382Energy Policy161,093548344
383DNA polymerases51,079402264
384visualization521,078247141
385Political Science641,075396350
386Australia541,072271252
387energy resources141,058180152
387sexual behavior301,0587983
389Physical Therapy161,045605371
390Nervous system161,0431.3K1.1K
391reforestation621,03859
391afforestation621,03859
393sustainability211,031128152
393drug therapy311,031830783
395mycoses101,030496335
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397Social behavior361,026224318
398DNA methylation141,0176935
399finance391,010456514
400Metals321,000522318
401viral genetics4992379272
402Carbon14979258174
403biological factors38975389458
404Energy Harvesting10974229181
405Wildlife management519714049
406Composite Materials26963563432
407Pharmacy40959487561
407enzymes26959282249
409Engineering Geology40953201258
410Molecular Pharmacology18945296267
411atmospheric models32943186244
412Soil109426128
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415eugenics529365189
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441China48828519475
442global environmental change3481987218
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451Marine Pollution28776151266
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