7.4K(top 0.1%)
papers
496.5K(top 0.1%)
citations
304(top 0.1%)
h-index
513(top 0.1%)
g-index
9.7K
all documents
609.5K
doc citations
15.6K
citing journals
Top Disciplines (by citations)
| # | Discipline | Articles | Citations | R ARank | R CRank |
|---|---|---|---|---|---|
| 1 | Biology | 1,442 | 174,852 | 25 | 33 |
| 2 | Science | 807 | 132,535 | 62 | 73 |
| 3 | Physics | 450 | 102,424 | 192 | 63 |
| 4 | Natural history | 422 | 99,071 | 25 | 43 |
| 5 | Ecology | 854 | 59,456 | 23 | 37 |
| 6 | Evolution | 262 | 25,598 | 12 | 6 |
| 7 | biological evolution | 216 | 22,629 | 25 | 34 |
| 8 | Molecular Biology | 261 | 20,706 | 489 | 483 |
| 9 | Cell Biology | 126 | 17,989 | 503 | 526 |
| 10 | Cytology | 171 | 17,853 | 384 | 531 |
| 11 | Animal ecology | 270 | 14,835 | 2 | 1 |
| 12 | Developmental Biology | 240 | 13,716 | 63 | 125 |
| 13 | Virology | 66 | 13,679 | 681 | 442 |
| 14 | Animal Behavior | 286 | 13,492 | 3 | 4 |
| 15 | Environment | 136 | 13,178 | 136 | 111 |
| 16 | Biodiversity conservation | 139 | 12,143 | 14 | 21 |
| 17 | Ethology | 209 | 11,012 | 1 | 4 |
| 18 | Anatomy | 194 | 10,732 | 22 | 78 |
| 19 | Genetics | 105 | 10,665 | 518 | 493 |
| 20 | Medicine | 211 | 10,321 | 763 | 1.2K |
| 21 | Embryology | 165 | 10,275 | 52 | 100 |
| 22 | Biochemistry | 94 | 10,103 | 3.4K | 1.0K |
| 23 | Growth | 152 | 9,886 | 29 | 82 |
| 24 | Research | 183 | 9,797 | 457 | 339 |
| 25 | Cell differentiation | 140 | 9,660 | 39 | 116 |
| 26 | Zoology | 195 | 9,160 | 20 | 5 |
| 27 | Neurology | 174 | 9,043 | 818 | 1.3K |
| 28 | Molecular evolution | 58 | 7,834 | 101 | 64 |
| 29 | Meteorology | 77 | 7,723 | 132 | 70 |
| 30 | Molecular Genetics | 110 | 7,213 | 51 | 48 |
| 31 | Molecular ecology | 103 | 7,060 | 23 | 34 |
| 32 | Conservation Biology | 79 | 6,997 | 7 | 7 |
| 33 | Population Genetics | 97 | 6,864 | 32 | 30 |
| 34 | United Kingdom | 22 | 6,371 | 399 | 31 |
| 35 | Neurophysiology | 135 | 6,006 | 174 | 452 |
| 36 | Pollution | 54 | 5,646 | 980 | 492 |
| 37 | Entomology | 221 | 5,350 | 18 | 16 |
| 38 | Human genetics | 22 | 5,170 | 1.7K | 1.5K |
| 39 | Climate change | 38 | 5,164 | 79 | 62 |
| 39 | Eutrophication | 38 | 5,164 | 79 | 62 |
| 41 | Chemistry | 85 | 4,849 | 3.9K | 3.3K |
| 42 | Social behavior | 81 | 4,840 | 3 | 4 |
| 43 | Biodiversity | 72 | 4,595 | 84 | 52 |
| 44 | Birds | 173 | 4,570 | 11 | 13 |
| 45 | Agriculture | 69 | 4,185 | 100 | 42 |
| 46 | Agricultural Ecology | 65 | 3,859 | 16 | 17 |
| 47 | Ornithology | 124 | 3,735 | 11 | 6 |
| 48 | Insects | 151 | 3,637 | 7 | 12 |
| 49 | Physiology | 80 | 3,314 | 558 | 823 |
| 50 | Microbiology | 36 | 3,301 | 4.6K | 2.8K |
| 51 | Parasitology | 39 | 2,915 | 255 | 55 |
| 52 | Parasitic Diseases | 36 | 2,904 | 180 | 62 |
| 53 | viruses | 25 | 2,899 | 733 | 402 |
| 54 | Neurons | 27 | 2,683 | 252 | 618 |
| 54 | Psychophysiology | 84 | 2,683 | 300 | 611 |
| 56 | Computational Biology | 34 | 2,326 | 703 | 1.1K |
| 57 | Water pollution | 13 | 2,261 | 959 | 243 |
| 58 | Water | 6 | 2,191 | 1.6K | 241 |
| 59 | Comparative Physiology | 61 | 2,148 | 16 | 22 |
| 60 | Neuropsychology | 64 | 2,045 | 184 | 291 |
| 61 | Neurobiology | 27 | 2,002 | 528 | 488 |
| 62 | Developmental Genetics | 13 | 1,806 | 442 | 436 |
| 63 | genome | 16 | 1,639 | 952 | 1.3K |
| 64 | gene mapping | 18 | 1,638 | 734 | 477 |
| 65 | Biogeography | 38 | 1,511 | 84 | 200 |
| 66 | Cytogenetics | 19 | 1,485 | 821 | 1.0K |
| 67 | Environmental Policy | 22 | 1,474 | 409 | 345 |
| 68 | Geology | 47 | 1,439 | 433 | 407 |
| 69 | Botany | 30 | 1,425 | 1.8K | 1.8K |
| 70 | Virulence | 8 | 1,424 | 1.3K | 522 |
| 71 | nucleic acids | 13 | 1,414 | 2.0K | 1.9K |
| 72 | Gene expression regulation | 9 | 1,397 | 774 | 533 |
| 72 | Genetic regulation | 9 | 1,397 | 1.0K | 678 |
| 74 | Marine Biology | 67 | 1,342 | 143 | 311 |
| 75 | Biophysics | 17 | 1,312 | 7.9K | 2.3K |
| 76 | Histology | 30 | 1,311 | 319 | 505 |
| 77 | Paleontology | 53 | 1,281 | 119 | 140 |
| 78 | Medical genetics | 11 | 1,250 | 5.7K | 3.1K |
| 79 | DNA polymerases | 5 | 1,240 | 490 | 248 |
| 80 | Genomics | 33 | 1,235 | 783 | 920 |
| 81 | Bioinformatics | 12 | 1,227 | 2.0K | 1.5K |
| 82 | viral genetics | 7 | 1,196 | 457 | 528 |
| 83 | environmental protection | 25 | 1,192 | 483 | 571 |
| 84 | Wildlife conservation | 37 | 1,179 | 21 | 18 |
| 85 | human behavior | 29 | 1,164 | 354 | 702 |
| 86 | Plant Ecology | 13 | 1,070 | 654 | 451 |
| 87 | Neurochemistry | 22 | 1,064 | 1.4K | 1.4K |
| 88 | Oncogenes | 3 | 1,063 | 4.3K | 1.0K |
| 89 | Immunity | 9 | 1,046 | 3.0K | 2.9K |
| 90 | Fisheries | 14 | 1,030 | 240 | 84 |
| 91 | Restoration Ecology | 4 | 999 | 235 | 15 |
| 92 | cell physiology | 18 | 976 | 797 | 1.2K |
| 93 | ecosystem | 20 | 913 | 203 | 318 |
| 93 | Primates | 18 | 913 | 192 | 111 |
| 95 | Molecular structure | 5 | 870 | 2.6K | 1.0K |
| 96 | Infections | 5 | 832 | 917 | 314 |
| 96 | infection | 5 | 832 | 1.8K | 414 |
| 98 | Wildlife management | 28 | 816 | 27 | 17 |
| 99 | Microscopy | 11 | 805 | 724 | 137 |
| 100 | Sustainable Development | 22 | 793 | 43 | 160 |
| 101 | Pharmacology | 1 | 781 | 51.4K | 4.8K |
| 102 | Host-parasite interactions | 8 | 776 | 1.4K | 1.4K |
| 103 | Environmental Management | 25 | 756 | 213 | 638 |
| 104 | Behavior | 24 | 752 | 939 | 1.5K |
| 105 | sustainability | 18 | 746 | 15 | 72 |
| 106 | Africa | 28 | 732 | 94 | 35 |
| 107 | Geography | 23 | 727 | 418 | 550 |
| 108 | Vaccines | 9 | 722 | 1.1K | 334 |
| 109 | biological invasions | 11 | 704 | 113 | 68 |
| 110 | Aquatic ecology | 27 | 666 | 48 | 66 |
| 111 | Cognitive Science | 6 | 639 | 1.1K | 662 |
| 112 | Cognitive neuroscience | 5 | 630 | 1.1K | 693 |
| 113 | Brain | 19 | 624 | 1.5K | 1.9K |
| 114 | Genes | 12 | 583 | 409 | 297 |
| 115 | Phylogeny | 12 | 568 | 272 | 248 |
| 116 | Anthropology | 6 | 554 | 1.0K | 311 |
| 117 | Morphology | 20 | 532 | 88 | 151 |
| 118 | Human evolution | 5 | 529 | 356 | 159 |
| 119 | Biogeochemistry | 2 | 447 | 1.4K | 444 |
| 120 | Environmental Health | 19 | 441 | 3.1K | 6.9K |
| 121 | Endocrinology | 11 | 430 | 5.5K | 7.9K |
| 122 | Economic Development | 7 | 422 | 362 | 307 |
| 123 | Energy Policy | 2 | 419 | 1.4K | 187 |
| 123 | energy resources | 2 | 419 | 371 | 146 |
| 123 | freshwater biology | 14 | 419 | 156 | 274 |
| 126 | Data Mining | 10 | 416 | 179 | 431 |
| 126 | Sustainable agriculture | 1 | 416 | 1.1K | 79 |
| 128 | animals | 18 | 413 | 204 | 171 |
| 129 | behavioral medicine | 6 | 411 | 1.2K | 759 |
| 130 | mammals | 20 | 409 | 131 | 282 |
| 131 | Learning | 7 | 404 | 792 | 520 |
| 132 | Mathematics | 11 | 399 | 4.9K | 1.8K |
| 133 | Chromosome mapping | 13 | 398 | 787 | 1.5K |
| 134 | global environmental change | 13 | 393 | 49 | 136 |
| 135 | Fluid Mechanics | 2 | 384 | 4.1K | 1.2K |
| 136 | Bacteriology | 4 | 377 | 2.9K | 2.0K |
| 136 | Metabolic diseases | 3 | 377 | 11.3K | 6.7K |
| 136 | Homeostasis | 3 | 377 | 1.1K | 2.1K |
| 136 | Cell metabolism | 3 | 377 | 1.4K | 2.1K |
| 140 | environmental pollution | 10 | 373 | 3.5K | 3.7K |
| 141 | Earth Sciences | 12 | 360 | 1.0K | 1.1K |
| 142 | Nervous system | 9 | 342 | 3.0K | 5.1K |
| 143 | Biomolecules | 2 | 339 | 1.1K | 401 |
| 143 | Structure-activity relationship | 2 | 339 | 633 | 276 |
| 145 | Climatology | 10 | 338 | 836 | 1.1K |
| 146 | Japan | 4 | 336 | 3.0K | 482 |
| 147 | Plants | 6 | 327 | 2.8K | 2.8K |
| 148 | Ophthalmology | 7 | 316 | 1.9K | 1.4K |
| 148 | Vision | 7 | 316 | 292 | 293 |
| 150 | Cognition | 5 | 312 | 1.8K | 1.2K |
| 151 | Allergy | 1 | 304 | 7.0K | 3.6K |
| 152 | data collection | 9 | 296 | 91 | 446 |
| 153 | Biometrics | 5 | 274 | 1.6K | 992 |
| 154 | Immunology | 4 | 245 | 16.7K | 15.2K |
| 155 | plant molecular biology | 4 | 234 | 3.0K | 3.6K |
| 156 | sexual behavior | 6 | 226 | 285 | 355 |
| 157 | Nonlinear Dynamics | 4 | 223 | 2.9K | 1.7K |
| 157 | Statistical physics | 4 | 223 | 5.1K | 2.8K |
| 157 | Cell death | 1 | 223 | 8.9K | 3.1K |
| 160 | Toxicology | 7 | 221 | 8.6K | 9.2K |
| 161 | Scandinavia | 8 | 219 | 273 | 325 |
| 162 | Population | 8 | 217 | 258 | 282 |
| 163 | Diagnostic microbiology | 2 | 205 | 3.1K | 2.8K |
| 164 | Plant cells | 2 | 202 | 4.1K | 4.5K |
| 165 | Plant physiology | 4 | 200 | 3.7K | 3.9K |
| 166 | Environmental monitoring | 3 | 185 | 8.0K | 5.8K |
| 167 | Marine Ecology | 10 | 182 | 140 | 215 |
| 167 | Environmental Chemistry | 8 | 182 | 1.6K | 3.7K |
| 167 | Bioacoustics | 3 | 182 | 40 | 14 |
| 170 | Paleoecology | 5 | 176 | 220 | 150 |
| 171 | Nanotechnology | 2 | 175 | 27.6K | 18.5K |
| 171 | Polymers | 2 | 175 | 16.9K | 8.2K |
| 171 | Soft Condensed Matter | 2 | 175 | 2.4K | 1.1K |
| 171 | Colloids | 2 | 175 | 11.4K | 7.0K |
| 171 | biopolymers | 2 | 175 | 3.1K | 1.4K |
| 176 | Systems Biology | 6 | 166 | 1.6K | 1.7K |
| 177 | Food | 2 | 161 | 9.8K | 4.7K |
| 178 | Climate | 4 | 160 | 216 | 214 |
| 178 | Mollusks | 9 | 160 | 26 | 27 |
| 180 | Chemical Ecology | 7 | 156 | 298 | 537 |
| 180 | Food Policy | 1 | 156 | 300 | 68 |
| 180 | agricultural policy | 1 | 156 | 27 | 14 |
| 180 | world | 1 | 156 | 350 | 95 |
| 184 | pheromones | 6 | 152 | 299 | 511 |
| 185 | Membranes | 2 | 150 | 3.0K | 2.0K |
| 185 | bees | 6 | 150 | 112 | 172 |
| 187 | Microbial Ecology | 7 | 148 | 3.4K | 8.2K |
| 188 | Natural resources | 2 | 144 | 736 | 416 |
| 188 | Hormones | 3 | 144 | 2.6K | 2.6K |
| 190 | Animal genetics | 4 | 141 | 545 | 441 |
| 191 | Signal Transduction | 2 | 136 | 5.2K | 4.2K |
| 191 | RNA | 4 | 136 | 965 | 1.5K |
| 193 | bioclimatology | 3 | 134 | 739 | 542 |
| 193 | weather | 3 | 134 | 303 | 247 |
| 195 | Psychology | 6 | 133 | 8.1K | 12.6K |
| 196 | chromatin | 2 | 131 | 207 | 298 |
| 196 | Respiration | 4 | 131 | 2.6K | 3.4K |
| 198 | Plant Taxonomy | 4 | 127 | 375 | 324 |
| 198 | Biocompatible Materials | 4 | 127 | 14.0K | 18.3K |
| 200 | California | 6 | 125 | 260 | 317 |
| 201 | Marine mammals | 3 | 118 | 200 | 164 |
| 202 | Optics | 1 | 116 | 12.6K | 4.8K |
| 203 | Insect biochemistry | 9 | 113 | 142 | 486 |
| 204 | Biogeochemical cycles | 1 | 112 | 1.1K | 998 |
| 204 | Culture techniques | 2 | 112 | 413 | 192 |
| 206 | Epigenetics | 6 | 109 | 62 | 102 |
| 206 | environmental indicators | 1 | 109 | 218 | 193 |
| 206 | Epigenomics | 6 | 109 | 62 | 97 |
| 209 | Public Health | 2 | 107 | 24.3K | 18.3K |
| 210 | plant communities | 2 | 105 | 2.4K | 2.7K |
| 211 | Human biology | 2 | 103 | 1.3K | 629 |
| 212 | Chromosomes | 3 | 99 | 1.3K | 1.7K |
| 212 | DNA repair | 1 | 99 | 1.1K | 589 |
| 214 | Physical fitness | 1 | 97 | 3.9K | 1.9K |
| 214 | Diet | 1 | 97 | 14.3K | 12.3K |
| 216 | Environmental Engineering | 5 | 94 | 6.2K | 14.7K |
| 216 | Plant breeding | 4 | 94 | 910 | 1.3K |
| 216 | eugenics | 5 | 94 | 598 | 1.3K |
| 216 | Breeding | 4 | 94 | 1.6K | 2.3K |
| 220 | Hydrology | 4 | 90 | 3.0K | 3.8K |
| 221 | sanitation | 3 | 87 | 4.4K | 10.5K |
| 222 | polar regions | 6 | 86 | 305 | 613 |
| 223 | Medical Microbiology | 2 | 83 | 8.2K | 9.9K |
| 224 | Food Security | 2 | 81 | 131 | 152 |
| 225 | radioactive waste | 1 | 75 | 1.4K | 1.7K |
| 225 | industrial waste | 1 | 75 | 1.6K | 1.7K |
| 225 | Hazardous waste | 1 | 75 | 1.9K | 1.9K |
| 228 | Environmental Microbiology | 2 | 74 | 3.8K | 5.9K |
| 228 | Ecohydrology | 2 | 74 | 293 | 281 |
| 230 | Developmental Neurobiology | 3 | 72 | 708 | 1.4K |
| 230 | Animal | 6 | 72 | 44 | 143 |
| 232 | mycoses | 1 | 71 | 3.4K | 4.2K |
| 232 | Bacterial infections | 1 | 71 | 3.6K | 4.2K |
| 234 | Biotechnology | 5 | 69 | 18.5K | 38.7K |
| 234 | soil microbiology | 1 | 69 | 4.0K | 4.0K |
| 234 | Microorganisms | 1 | 69 | 4.7K | 4.7K |
| 237 | Ecological Genetics | 2 | 68 | 841 | 623 |
| 238 | Medical Oncology | 2 | 67 | 9.7K | 11.1K |
| 238 | Carcinogenesis | 2 | 67 | 3.3K | 5.0K |
| 238 | carcinogens | 2 | 67 | 3.9K | 5.6K |
| 238 | mutagens | 2 | 67 | 2.6K | 4.6K |
| 242 | Landscape Ecology | 5 | 64 | 210 | 844 |
| 243 | Jurisprudence | 1 | 63 | 4.0K | 1.8K |
| 244 | Paleoclimatology | 1 | 62 | 1.0K | 701 |
| 245 | Materials Science | 1 | 61 | 27.2K | 20.6K |
| 245 | Bioengineering | 2 | 61 | 19.7K | 26.8K |
| 245 | Materials | 1 | 61 | 34.1K | 29.3K |
| 248 | Medical innovations | 1 | 60 | 6.9K | 10.9K |
| 248 | Parasites | 3 | 60 | 1.8K | 2.4K |
| 248 | drug development | 1 | 60 | 7.1K | 10.1K |
| 251 | Radiology | 2 | 58 | 3.1K | 2.6K |
| 251 | Radiobiology | 2 | 58 | 6.4K | 6.6K |
| 253 | Epidemiology | 1 | 56 | 24.6K | 18.7K |
| 253 | Biotelemetry | 2 | 56 | 38 | 51 |
| 255 | Biological Systems | 1 | 51 | 2.2K | 1.6K |
| 255 | protein | 1 | 51 | 6.7K | 5.4K |
| 255 | proteins | 1 | 51 | 15.3K | 13.9K |
| 258 | Morphogenesis | 2 | 50 | 45 | 269 |
| 259 | United States | 2 | 45 | 19.3K | 20.3K |
| 260 | Marine biodiversity | 3 | 43 | 166 | 148 |
| 260 | bats | 2 | 43 | 75 | 85 |
| 260 | environmental issues | 1 | 43 | 621 | 614 |
| 263 | Archaeology | 3 | 42 | 1.2K | 1.6K |
| 264 | Social Sciences | 1 | 41 | 10.9K | 6.1K |
| 264 | Humanities | 1 | 41 | 2.8K | 1.1K |
| 264 | Arts | 1 | 41 | 939 | 441 |
| 264 | Culture | 1 | 41 | 2.5K | 1.2K |
| 268 | Biochemical Engineering | 1 | 39 | 9.6K | 12.3K |
| 268 | Emerging infectious diseases | 3 | 39 | 347 | 1.2K |
| 268 | Waste management | 4 | 39 | 1.2K | 2.8K |
| 268 | Organogenesis | 1 | 39 | 108 | 271 |
| 268 | Teaching | 2 | 39 | 2.1K | 2.2K |
| 273 | Invertebrates | 4 | 37 | 201 | 711 |
| 274 | Tropical Medicine | 2 | 34 | 3.7K | 5.5K |
| 274 | rivers | 3 | 34 | 182 | 519 |
| 276 | Coral reef biology | 2 | 32 | 133 | 347 |
| 277 | Simulation | 1 | 31 | 450 | 682 |
| 277 | Neural circuitry | 1 | 31 | 3.6K | 4.1K |
| 277 | Mass Spectrometry | 2 | 31 | 3.3K | 5.7K |
| 277 | theoretical models | 1 | 31 | 450 | 682 |
| 277 | water supply | 3 | 31 | 1.3K | 4.0K |
| 282 | Nanostructured Materials | 1 | 30 | 21.4K | 23.7K |
| 282 | Australia | 6 | 30 | 1.8K | 6.1K |
| 282 | venom | 1 | 30 | 1.4K | 1.6K |
| 282 | Toxins | 1 | 30 | 1.8K | 1.9K |
| 282 | Aquaculture | 3 | 30 | 847 | 1.6K |
| 287 | Sedimentology | 2 | 29 | 677 | 1.6K |
| 287 | Respiratory Infections | 1 | 29 | 949 | 980 |
| 287 | Influenza | 1 | 29 | 765 | 816 |
| 290 | visualization | 6 | 27 | 1.7K | 3.8K |
| 291 | Chronobiology | 1 | 26 | 1.4K | 1.5K |
| 291 | Circadian rhythms | 1 | 26 | 922 | 1.4K |
| 291 | biological clocks | 1 | 26 | 1.4K | 1.5K |
| 291 | greenhouse effect | 1 | 26 | 60 | 111 |
| 291 | Astrocytes | 3 | 26 | 1.0K | 5.7K |
| 291 | Carbon | 1 | 26 | 219 | 371 |
| 291 | circadian rhythm | 1 | 26 | 1.4K | 1.5K |
| 291 | Carbon dioxide | 1 | 26 | 60 | 111 |
| 291 | biological rhythms | 1 | 26 | 1.3K | 1.5K |
| 300 | Ethnobotany | 1 | 25 | 334 | 491 |
| 300 | Medical Anthropology | 1 | 25 | 4.1K | 6.0K |
| 300 | Electron Microscopy | 1 | 25 | 1.2K | 1.7K |
| 300 | Traditional medicine | 1 | 25 | 644 | 680 |
| 300 | ethnobiology | 1 | 25 | 412 | 579 |
| 300 | heredity | 1 | 25 | 3.0K | 3.6K |
| 300 | Phytotherapy | 1 | 25 | 2.7K | 3.9K |
| 300 | Ethnomedicine | 1 | 25 | 278 | 482 |
| 308 | Philosophy | 1 | 23 | 3.7K | 1.9K |
| 308 | Immunopathology | 1 | 23 | 7.5K | 11.0K |
| 308 | embryonic development | 2 | 23 | 1.0K | 2.7K |
| 308 | Reproduction | 2 | 23 | 9.0K | 16.9K |
| 312 | Biomedical Engineering | 1 | 22 | 32.5K | 37.1K |
| 312 | Genetic engineering | 2 | 22 | 8.3K | 19.9K |
| 312 | Research Design | 1 | 22 | 3.6K | 4.6K |
| 312 | Biomechanics | 1 | 22 | 6.2K | 7.8K |
| 312 | Molecular cloning | 2 | 22 | 3.4K | 7.8K |
| 312 | Genetic recombination | 2 | 22 | 3.2K | 7.4K |
| 312 | Liposomes | 1 | 22 | 1.2K | 1.6K |
| 312 | Lipid bilayers | 1 | 22 | 782 | 937 |
| 312 | Recombinant DNA | 2 | 22 | 4.0K | 8.8K |
| 321 | Origin of life | 1 | 21 | 283 | 392 |
| 321 | Herpetology | 2 | 21 | 303 | 392 |
| 321 | pollutants | 2 | 21 | 3.8K | 10.1K |
| 321 | Environmental pollutants | 2 | 21 | 5.5K | 13.4K |
| 321 | Amphibians | 2 | 21 | 233 | 266 |
| 321 | Reptiles | 2 | 21 | 268 | 317 |
| 321 | Organelle biogenesis | 1 | 21 | 421 | 568 |
| 328 | Coastal zone management | 1 | 20 | 395 | 474 |
| 328 | Oxidative stress | 1 | 20 | 6.3K | 10.9K |
| 328 | Cell survival | 1 | 20 | 571 | 1.2K |
| 328 | molecular chaperones | 1 | 20 | 575 | 1.2K |
| 332 | Navigation | 2 | 19 | 336 | 570 |
| 333 | Education | 3 | 18 | 5.2K | 12.5K |
| 333 | Plant Pathology | 1 | 18 | 347 | 400 |
| 335 | Environmental Toxicology | 1 | 17 | 11.5K | 18.8K |
| 335 | cell movement | 1 | 17 | 987 | 2.2K |
| 335 | environmental exposure | 1 | 17 | 6.7K | 11.2K |
| 335 | Southeast Asia | 1 | 17 | 547 | 404 |
| 335 | Plant diseases | 4 | 17 | 2.8K | 8.3K |
| 335 | cryosphere | 1 | 17 | 465 | 656 |
| 341 | Renewable Energy Sources | 1 | 16 | 3.7K | 6.2K |
| 341 | Korea | 1 | 16 | 844 | 761 |
| 343 | Veterinary Epidemiology | 1 | 15 | 49 | 136 |
| 343 | Hematopoietic stem cell transplantation | 1 | 15 | 2.3K | 5.5K |
| 343 | Stem cells | 1 | 15 | 14.2K | 23.1K |
| 346 | Pharmaceutical Chemistry | 2 | 14 | 18.1K | 38.9K |
| 346 | fossil | 3 | 14 | 12 | 45 |
| 346 | Spain | 1 | 14 | 389 | 361 |
| 349 | Statistics | 1 | 13 | 9.4K | 11.0K |
| 350 | Soil Science | 1 | 12 | 3.9K | 6.2K |
| 350 | shellfish | 1 | 12 | 130 | 236 |
| 350 | vitamins | 1 | 12 | 106 | 677 |
| 353 | Land use | 1 | 11 | 1.8K | 3.3K |
| 353 | China | 2 | 11 | 7.4K | 16.8K |
| 355 | Mitochondrial DNA | 1 | 10 | 627 | 637 |
| 355 | Soviet Union | 1 | 10 | 1.2K | 1.5K |
| 357 | Marine invertebrates | 1 | 9 | 438 | 628 |
| 357 | movement | 1 | 9 | 475 | 1.3K |
| 359 | Dermatology | 1 | 8 | 8.3K | 14.0K |
| 359 | Fishery management | 2 | 8 | 834 | 2.7K |
| 359 | Structural biology | 1 | 8 | 191 | 736 |
| 359 | Water Purification | 1 | 8 | 3.3K | 5.5K |
| 359 | Water quality management | 1 | 8 | 5.5K | 9.3K |
| 359 | Cerebral cortex | 2 | 8 | 3.5K | 10.6K |
| 365 | Mobile genetic elements | 1 | 7 | 255 | 764 |
| 365 | Transport | 1 | 7 | 430 | 1.2K |
| 365 | Sea | 1 | 7 | 251 | 722 |
| 365 | Fishery resources | 1 | 7 | 314 | 852 |
| 365 | Maps | 1 | 7 | 251 | 498 |
| 365 | DNA | 2 | 7 | 1.1K | 5.3K |
| 371 | Mineralogy | 2 | 6 | 1.9K | 4.8K |
| 371 | Analytical Biochemistry | 1 | 6 | 6.0K | 11.7K |
| 371 | Technology | 2 | 6 | 12.4K | 34.7K |
| 374 | Nutrition | 1 | 5 | 33.8K | 60.3K |
| 374 | Environmental Law | 1 | 5 | 3.7K | 8.8K |
| 374 | Evolutionary Genetics | 1 | 5 | 1.6K | 4.4K |
| 374 | Biomass Energy | 1 | 5 | 7.7K | 14.1K |
| 374 | Molecular Epidemiology | 1 | 5 | 1.6K | 4.4K |
| 374 | Nutrition physiology | 1 | 5 | 2.5K | 6.6K |
| 374 | Biodegradation | 1 | 5 | 987 | 2.6K |
| 374 | Water Microbiology | 1 | 5 | 1.2K | 3.6K |
| 374 | Drosophila | 1 | 5 | 123 | 424 |
| 374 | Paleopathology | 1 | 5 | 862 | 1.6K |
| 374 | atmospheric models | 1 | 5 | 1.1K | 2.0K |
| 374 | Perception | 2 | 5 | 1.0K | 3.0K |
| 374 | Aging | 1 | 5 | 17.2K | 30.9K |
| 374 | Fouling | 1 | 5 | 713 | 2.1K |
| 388 | Paleobiology | 1 | 4 | 591 | 1.2K |
| 388 | energy conservation | 1 | 4 | 4.2K | 8.9K |
| 388 | Beetles | 2 | 4 | 90 | 185 |
| 388 | biological factors | 1 | 4 | 11.2K | 22.5K |
| 392 | Forensic Genetics | 1 | 3 | 827 | 2.0K |
| 392 | Ecosystem management | 1 | 3 | 1.3K | 3.1K |
| 392 | Holistic Health | 1 | 3 | 1.0K | 3.1K |
| 392 | Middle East | 1 | 3 | 1.3K | 1.7K |
| 392 | sustainable growth | 1 | 3 | 32 | 188 |
| 392 | allied health | 1 | 3 | 607 | 1.9K |
| 392 | Immune system | 1 | 3 | 6.3K | 14.4K |
| 399 | Artificial Intelligence | 1 | 2 | 13.2K | 23.7K |
| 399 | Green Chemistry | 1 | 2 | 8.5K | 16.7K |
| 399 | Sustainable Engineering | 1 | 2 | 7.6K | 16.1K |
| 399 | Regional Planning | 1 | 2 | 3.6K | 7.4K |
| 399 | soil management | 1 | 2 | 417 | 1.3K |
| 399 | Antarctica | 1 | 2 | 300 | 697 |
| 399 | city planning | 1 | 2 | 3.2K | 6.7K |
| 399 | police | 1 | 2 | 636 | 1.3K |
| 407 | Oceanography | 1 | 1 | 4.7K | 9.9K |
| 407 | Pharmacognosy | 1 | 1 | 7.9K | 18.1K |
| 407 | Graph Theory | 1 | 1 | 1.6K | 2.5K |
| 407 | Fisheries Law | 1 | 1 | 2 | 9 |
| 407 | Cardiovascular system | 1 | 1 | 15.5K | 36.0K |
| 407 | psychophysics | 1 | 1 | 608 | 1.3K |
| 407 | Protozoa | 1 | 1 | 1.1K | 2.9K |
| 407 | Pacific Islands | 1 | 1 | 458 | 1.5K |
| 407 | natural products | 2 | 1 | 5.3K | 17.2K |
| 407 | fisheries management | 1 | 1 | 2 | 9 |
| 407 | Attention | 1 | 1 | 835 | 2.5K |
| 418 | Engineering | 1 | 0 | 17.9K | 38.2K |
| 418 | Hematology | 1 | 0 | 32.0K | 55.7K |
| 418 | Geophysics | 1 | 0 | 12.8K | 24.5K |
| 418 | History of Medicine | 1 | 0 | 652 | 1.5K |
| 418 | Genetic databases | 1 | 0 | 55 | 407 |
| 418 | Animal welfare | 1 | 0 | 922 | 3.2K |
| 418 | Germany | 2 | 0 | 374 | 2.9K |
| 418 | biological agents | 1 | 0 | 2.0K | 4.9K |