| 1 | Botany | 609 | 43.3K | 50 | 42 |
| 2 | Science | 328 | 31.0K | 402 | 403 |
| 3 | Ecology | 405 | 27.2K | 75 | 81 |
| 4 | Plants | 231 | 15.4K | 55 | 49 |
| 5 | Genetics | 99 | 12.0K | 257 | 224 |
| 6 | Biology | 142 | 10.6K | 412 | 356 |
| 7 | Plant Pathology | 102 | 10.2K | 41 | 14 |
| 8 | Microbiology | 152 | 9.9K | 334 | 260 |
| 9 | Environmental Sciences | 180 | 9.9K | 120 | 95 |
| 10 | Environment | 90 | 9.3K | 71 | 63 |
| 11 | Climatic Changes | 43 | 9.1K | 86 | 57 |
| 12 | Multidisciplinary Sciences | 179 | 8.7K | 342 | 220 |
| 13 | Climate Change | 30 | 8.6K | 102 | 53 |
| 14 | Genomics | 72 | 8.2K | 179 | 215 |
| 15 | Plant Biology | 95 | 7.8K | 50 | 55 |
| 16 | Agriculture | 151 | 6.8K | 53 | 27 |
| 17 | Nucleic Acids | 10 | 5.4K | 322 | 97 |
| 18 | Pollution | 76 | 5.3K | 147 | 82 |
| 19 | Plant Cells | 49 | 5.3K | 40 | 45 |
| 20 | Agronomy | 98 | 5.1K | 78 | 36 |
| 21 | Environmental Pollution | 68 | 4.9K | 148 | 77 |
| 22 | Plant Soil Relationships | 91 | 4.9K | 13 | 13 |
| 23 | Plant Soil Relationship | 90 | 4.9K | 13 | 13 |
| 24 | Soils | 76 | 4.7K | 28 | 22 |
| 25 | Genomes | 34 | 4.5K | 133 | 84 |
| 26 | Conservation of Natural Resources | 79 | 4.3K | 54 | 86 |
| 27 | Climatology | 17 | 4.1K | 233 | 114 |
| 28 | Chemistry | 50 | 3.9K | 1,152 | 718 |
| 29 | Molecular Genetics | 7 | 3.9K | 262 | 44 |
| 30 | Molecular Ecology | 6 | 3.9K | 248 | 39 |
| 30 | Molecular Population Biology | 6 | 3.9K | 179 | 29 |
| 32 | Global Warming | 6 | 3.8K | 118 | 53 |
| 33 | Environmental Policy | 91 | 3.5K | 22 | 27 |
| 34 | Plant Cell Development | 25 | 3.5K | 45 | 51 |
| 35 | Soil Biology | 61 | 3.4K | 25 | 32 |
| 36 | Host Parasite Interactions | 14 | 3.2K | 156 | 75 |
| 37 | Plant Diseases | 97 | 3.1K | 42 | 35 |
| 38 | Microbial Ecology | 42 | 3.1K | 70 | 73 |
| 39 | Food | 46 | 2.9K | 224 | 158 |
| 40 | Soil Biochemistry | 44 | 2.9K | 24 | 31 |
| 41 | Plant Physiological Phenomena | 54 | 2.9K | 69 | 72 |
| 42 | Soil Science | 69 | 2.8K | 34 | 33 |
| 43 | Environmental Science | 66 | 2.7K | 112 | 154 |
| 44 | Plant Physiology | 50 | 2.6K | 88 | 76 |
| 45 | Environmental Management | 53 | 2.6K | 33 | 29 |
| 46 | Land Use | 77 | 2.5K | 14 | 14 |
| 47 | Natural Resources | 55 | 2.4K | 34 | 34 |
| 48 | Plant Ecology | 49 | 2.4K | 35 | 38 |
| 49 | Analytical Chemistry | 22 | 2.4K | 668 | 251 |
| 50 | Conservation | 36 | 2.3K | 58 | 49 |
| 51 | Environmental Resource Management | 49 | 2.3K | 27 | 24 |
| 52 | Sustainability | 64 | 2.2K | 95 | 115 |
| 53 | Public Health | 35 | 2.1K | 650 | 359 |
| 54 | Urban Planning | 25 | 2.1K | 43 | 15 |
| 54 | Hydrology | 44 | 2.1K | 139 | 129 |
| 56 | Global Environmental Change | 31 | 2.1K | 42 | 54 |
| 57 | Conservation Biology | 52 | 2.0K | 62 | 93 |
| 58 | Molecular Biology | 63 | 2.0K | 429 | 624 |
| 59 | Natural Environment | 11 | 2.0K | 123 | 56 |
| 60 | Rural Conditions | 35 | 1.9K | 3 | 3 |
| 61 | Rural Studies | 34 | 1.9K | 3 | 3 |
| 62 | Plant Molecular Biology | 29 | 1.9K | 68 | 92 |
| 63 | Computer Simulation | 30 | 1.9K | 63 | 62 |
| 63 | Digital Computer Simulation | 30 | 1.9K | 18 | 20 |
| 65 | Biotechnology | 28 | 1.8K | 512 | 519 |
| 66 | Sociology | 30 | 1.8K | 50 | 36 |
| 67 | Analytical Chemistry Techniques | 6 | 1.7K | 799 | 121 |
| 68 | Land Use Planning | 34 | 1.7K | 8 | 9 |
| 69 | Wildlife Conservation | 42 | 1.7K | 48 | 64 |
| 70 | Environmental Microbiology | 21 | 1.7K | 51 | 47 |
| 71 | Landscape Architecture | 9 | 1.7K | 25 | 8 |
| 72 | Cell Biology | 17 | 1.7K | 862 | 866 |
| 73 | Nature Conservation | 33 | 1.6K | 63 | 98 |
| 74 | Pathogenic Microorganisms | 11 | 1.6K | 189 | 104 |
| 75 | Biodiversity Conservation | 27 | 1.6K | 62 | 54 |
| 76 | Host Parasite Relationships | 4 | 1.6K | 252 | 82 |
| 77 | Host-Pathogen Interactions | 2 | 1.6K | 168 | 56 |
| 78 | Economics | 27 | 1.6K | 322 | 234 |
| 79 | Ecosystem Services | 19 | 1.5K | 11 | 14 |
| 80 | Sustainable Development | 20 | 1.5K | 77 | 73 |
| 81 | Geochemistry | 29 | 1.4K | 167 | 168 |
| 82 | Biochemistry | 28 | 1.4K | 1,030 | 895 |
| 83 | Computational Biology | 13 | 1.4K | 347 | 216 |
| 84 | Sustainable Agriculture | 14 | 1.4K | 21 | 13 |
| 85 | Bioinformatics | 11 | 1.4K | 336 | 180 |
| 86 | Breeding | 40 | 1.4K | 50 | 60 |
| 87 | Applied Ecology | 27 | 1.3K | 39 | 48 |
| 88 | Microorganisms | 19 | 1.3K | 152 | 146 |
| 89 | Food Security | 18 | 1.3K | 18 | 13 |
| 90 | Environmental Engineering | 27 | 1.3K | 220 | 161 |
| 91 | Nutrition | 27 | 1.3K | 388 | 356 |
| 92 | Biogeochemistry | 29 | 1.3K | 84 | 108 |
| 93 | Water | 34 | 1.2K | 232 | 250 |
| 94 | Plant Communities | 22 | 1.2K | 25 | 36 |
| 94 | Vegetation Science | 22 | 1.2K | 25 | 36 |
| 94 | Phytosociology | 22 | 1.2K | 25 | 36 |
| 97 | Evolution | 22 | 1.2K | 224 | 238 |
| 98 | Geography | 45 | 1.2K | 53 | 80 |
| 99 | Forestry | 44 | 1.2K | 105 | 109 |
| 100 | Power Resources | 17 | 1.2K | 517 | 413 |
| 101 | Environmental Chemistry | 24 | 1.2K | 231 | 194 |
| 102 | Agricultural Ecology | 10 | 1.1K | 26 | 18 |
| 103 | Soil Ecology | 31 | 1.1K | 28 | 35 |
| 104 | Phytogeography | 15 | 1.0K | 26 | 24 |
| 104 | Plant Populations | 15 | 1.0K | 22 | 19 |
| 106 | Bioenergy | 16 | 1.0K | 54 | 54 |
| 107 | Remote Sensing | 20 | 1.0K | 338 | 274 |
| 108 | Renewable Energy Sources | 7 | 996 | 338 | 193 |
| 109 | Chemical Engineering | 28 | 991 | 489 | 381 |
| 110 | Sustainable Energy | 6 | 989 | 111 | 108 |
| 111 | Environmental Toxicology | 11 | 986 | 372 | 235 |
| 112 | Rural Sociology | 27 | 983 | 4 | 6 |
| 113 | Earth Sciences | 24 | 981 | 352 | 370 |
| 114 | Waste Management | 2 | 944 | 667 | 64 |
| 114 | Waste | 2 | 944 | 261 | 27 |
| 114 | Refuse Disposal | 2 | 944 | 240 | 27 |
| 117 | Biodiversity | 16 | 940 | 153 | 131 |
| 118 | Geology | 22 | 912 | 373 | 306 |
| 119 | Soil Management | 32 | 906 | 17 | 26 |
| 120 | Applied Microbiology | 12 | 896 | 198 | 205 |
| 121 | Genes | 12 | 885 | 88 | 101 |
| 122 | Mycology | 16 | 884 | 212 | 152 |
| 123 | Toxicology | 15 | 860 | 791 | 557 |
| 124 | Hydrobiology | 5 | 818 | 331 | 132 |
| 125 | Food Supply | 5 | 801 | 24 | 12 |
| 126 | Virology | 32 | 797 | 368 | 471 |
| 127 | Geomorphology | 17 | 790 | 100 | 79 |
| 128 | Plant Breeding | 25 | 772 | 72 | 70 |
| 129 | Environmental Monitoring | 25 | 719 | 172 | 252 |
| 130 | Entomology | 25 | 717 | 212 | 177 |
| 131 | Rural Population | 18 | 713 | 1 | 3 |
| 132 | Biomass Energy | 16 | 710 | 100 | 95 |
| 133 | Nutritional Physiological Phenomena | 8 | 702 | 425 | 306 |
| 134 | Environmental Health | 19 | 670 | 269 | 336 |
| 135 | Psychology | 8 | 664 | 680 | 353 |
| 135 | Biomass | 13 | 664 | 47 | 54 |
| 137 | Human Geography | 18 | 643 | 26 | 23 |
| 138 | Fungi | 14 | 640 | 133 | 134 |
| 139 | Taxonomy | 7 | 638 | 217 | 93 |
| 140 | Environmental Pollutants | 9 | 598 | 255 | 164 |
| 141 | Agricultural Chemistry | 18 | 594 | 138 | 195 |
| 142 | Ecological Engineering | 13 | 591 | 28 | 27 |
| 143 | Tillage | 11 | 590 | 28 | 27 |
| 144 | Pollutants | 8 | 587 | 232 | 137 |
| 145 | Algae | 10 | 580 | 105 | 96 |
| 146 | Insects | 19 | 560 | 155 | 160 |
| 147 | Food Systems | 11 | 539 | 19 | 6 |
| 148 | Forest Policy | 15 | 538 | 9 | 9 |
| 149 | Phytopathogenic Microorganisms | 15 | 531 | 29 | 47 |
| 150 | Geophysics | 5 | 528 | 1,019 | 612 |
| 150 | Phytopathogenic Bacteria | 14 | 528 | 20 | 37 |
| 150 | Photosynthesis | 10 | 528 | 32 | 36 |
| 150 | Phytopathogenic Fungi | 14 | 528 | 20 | 37 |
| 150 | Plant Microbe Relationships | 14 | 528 | 20 | 37 |
| 155 | Industrial Microbiology | 5 | 525 | 358 | 177 |
| 156 | Crop Protection | 6 | 517 | 76 | 31 |
| 157 | Horticulture | 25 | 508 | 83 | 97 |
| 158 | Developmental Biology | 5 | 500 | 482 | 375 |
| 159 | Experimental Botany | 5 | 496 | 64 | 34 |
| 160 | Natural Disasters | 3 | 491 | 269 | 85 |
| 161 | Water Supply | 10 | 478 | 115 | 136 |
| 162 | Plant Biotechnology | 13 | 454 | 100 | 118 |
| 163 | Environmental Psychology | 5 | 450 | 14 | 17 |
| 164 | Signal Transduction | 7 | 435 | 216 | 230 |
| 165 | Environmental Indicators | 20 | 422 | 46 | 100 |
| 166 | Biophysics | 7 | 419 | 572 | 437 |
| 167 | Soil Conservation | 16 | 418 | 37 | 47 |
| 167 | Nature | 9 | 418 | 16 | 12 |
| 169 | Protistology | 1 | 413 | 272 | 70 |
| 170 | Zoology | 17 | 409 | 317 | 302 |
| 171 | Oxidation Reduction | 4 | 408 | 145 | 128 |
| 172 | Phycology | 7 | 400 | 129 | 104 |
| 173 | Animal Ecology | 13 | 399 | 119 | 141 |
| 174 | Water Pollution | 12 | 398 | 373 | 441 |
| 175 | Cells | 2 | 382 | 990 | 681 |
| 176 | Agricultural Systems | 7 | 365 | 43 | 42 |
| 177 | Evolutionary Biology | 11 | 364 | 334 | 455 |
| 177 | Plant Molecular Genetics | 11 | 364 | 37 | 48 |
| 179 | Biogeography | 7 | 362 | 156 | 181 |
| 180 | Farming Systems | 6 | 361 | 46 | 42 |
| 181 | Ecotoxicology | 7 | 352 | 121 | 96 |
| 182 | Water Quality | 9 | 349 | 289 | 325 |
| 183 | Soil Pollution | 13 | 333 | 28 | 30 |
| 183 | Soil Protection | 13 | 333 | 28 | 31 |
| 185 | Biological Evolution | 10 | 332 | 311 | 460 |
| 186 | Surface Chemistry | 2 | 328 | 1,229 | 544 |
| 186 | Colloids | 2 | 328 | 1,205 | 594 |
| 188 | Sports | 1 | 312 | 660 | 149 |
| 189 | Plant Genetic Engineering | 6 | 305 | 96 | 115 |
| 190 | Eukaryota | 6 | 304 | 76 | 79 |
| 191 | Molecular Medicine | 4 | 301 | 697 | 538 |
| 192 | Metabolism | 12 | 291 | 392 | 662 |
| 192 | Microbiological Techniques | 4 | 291 | 136 | 79 |
| 194 | Endocrinology | 3 | 290 | 1,535 | 1,042 |
| 194 | Hormones | 3 | 290 | 394 | 261 |
| 194 | Hormone | 3 | 290 | 327 | 197 |
| 197 | Food Science | 16 | 288 | 337 | 503 |
| 198 | Environmental Protection | 8 | 280 | 200 | 267 |
| 198 | Urban Studies | 5 | 280 | 155 | 115 |
| 200 | Mass Spectrometry | 7 | 277 | 289 | 224 |
| 201 | Wildlife Management | 15 | 267 | 62 | 75 |
| 202 | Plant Parasites | 11 | 264 | 50 | 57 |
| 203 | Agricultural Economics | 9 | 256 | 40 | 32 |
| 204 | Risk Management | 6 | 251 | 98 | 81 |
| 205 | Environmental Research | 8 | 247 | 195 | 261 |
| 206 | Bees | 1 | 246 | 133 | 45 |
| 206 | Bee Culture | 1 | 246 | 84 | 24 |
| 206 | Beekeeping | 1 | 246 | 82 | 24 |
| 209 | Water Resources Development | 11 | 244 | 131 | 160 |
| 210 | Biotic Communities | 9 | 242 | 45 | 86 |
| 211 | Soil Fertility | 10 | 241 | 25 | 58 |
| 212 | Limnology | 6 | 240 | 322 | 258 |
| 213 | RNA | 3 | 239 | 152 | 109 |
| 214 | Cellular Signal Transduction | 2 | 235 | 412 | 294 |
| 214 | Oxidation Reduction Reaction | 2 | 235 | 132 | 123 |
| 214 | Redox Reactions | 2 | 235 | 132 | 123 |
| 214 | Redox Systems | 2 | 235 | 132 | 123 |
| 218 | Energy | 2 | 233 | 1,453 | 826 |
| 218 | Marine Affairs | 3 | 233 | 161 | 101 |
| 220 | Oceanography | 5 | 230 | 600 | 444 |
| 220 | Forest Management | 10 | 230 | 135 | 188 |
| 222 | Regional Planning | 11 | 228 | 69 | 104 |
| 223 | Plant Ecophysiology | 7 | 225 | 63 | 52 |
| 224 | Flood Forecasting | 4 | 219 | 15 | 6 |
| 224 | Flood Control | 4 | 219 | 15 | 6 |
| 226 | Agricultural Education | 5 | 216 | 11 | 6 |
| 226 | Agricultural Extension Work | 5 | 216 | 7 | 6 |
| 228 | Natural Resources Conservation | 5 | 212 | 51 | 171 |
| 229 | Life Sciences | 5 | 210 | 335 | 401 |
| 230 | Ecosystem Management | 8 | 209 | 68 | 107 |
| 231 | Forest | 11 | 208 | 125 | 207 |
| 232 | Anthropocene | 2 | 206 | 97 | 83 |
| 233 | Environmental Exposure | 2 | 205 | 313 | 125 |
| 233 | Veterinary Medicine | 14 | 205 | 494 | 604 |
| 235 | Parasitology | 10 | 203 | 418 | 520 |
| 236 | Soil Mechanics | 5 | 202 | 179 | 113 |
| 237 | Landscape Ecology | 8 | 200 | 52 | 90 |
| 237 | Plant Cellular Signal Transduction | 5 | 200 | 43 | 41 |
| 239 | Meteorology | 7 | 193 | 504 | 578 |
| 239 | Agricultural Meteorology | 7 | 193 | 95 | 141 |
| 239 | Forest Meteorology | 7 | 193 | 88 | 138 |
| 242 | Forest Ecology | 9 | 192 | 135 | 210 |
| 243 | Aquatic Sciences | 4 | 190 | 304 | 262 |
| 244 | Tourism | 3 | 188 | 136 | 102 |
| 245 | Metabolomics | 3 | 187 | 160 | 73 |
| 246 | Plant Genomics | 10 | 184 | 23 | 35 |
| 247 | Pharmacology | 3 | 180 | 2,565 | 1,995 |
| 248 | Plant Nutrition | 5 | 178 | 50 | 42 |
| 249 | Oxidative Stress | 2 | 173 | 190 | 173 |
| 249 | Free Radicals | 2 | 173 | 422 | 358 |
| 251 | Functional Foods | 3 | 172 | 134 | 97 |
| 251 | Dietary Supplements | 3 | 172 | 101 | 74 |
| 251 | Environmental Issues | 7 | 172 | 40 | 80 |
| 251 | Functional Food | 3 | 172 | 98 | 74 |
| 255 | Nutrients | 3 | 167 | 40 | 35 |
| 256 | Vegetation Development | 7 | 161 | 21 | 48 |
| 256 | Vegetation Ecology | 7 | 161 | 21 | 48 |
| 258 | Cardiovascular Disease | 1 | 160 | 1,067 | 404 |
| 259 | Geographic Information Systems | 5 | 159 | 98 | 103 |
| 259 | Algology | 7 | 159 | 68 | 123 |
| 261 | Forensic Science | 8 | 158 | 57 | 92 |
| 261 | Animal Behavior | 6 | 158 | 229 | 287 |
| 261 | Ethology | 6 | 158 | 188 | 251 |
| 261 | Algal Blooms | 1 | 158 | 162 | 103 |
| 261 | Harmful Algal Bloom | 1 | 158 | 162 | 103 |
| 261 | Toxic Algae | 1 | 158 | 162 | 103 |
| 267 | Aquatic Botany | 1 | 157 | 122 | 47 |
| 268 | Parasites | 8 | 156 | 273 | 364 |
| 269 | Molecular Structure | 1 | 152 | 618 | 438 |
| 269 | Cell Physiological Phenomena | 2 | 152 | 364 | 389 |
| 271 | Parasitic Diseases | 6 | 149 | 287 | 353 |
| 272 | Health | 5 | 148 | 290 | 321 |
| 273 | Systems Biology | 3 | 147 | 300 | 272 |
| 274 | Health Services Research | 1 | 145 | 1,327 | 482 |
| 274 | Health Care | 1 | 145 | 1,371 | 646 |
| 274 | Heredity | 6 | 145 | 119 | 190 |
| 277 | Geotechnical Engineering | 4 | 143 | 255 | 158 |
| 277 | Politique de Lenvironnement | 10 | 143 | 5 | 37 |
| 279 | Molecular Evolution | 3 | 142 | 445 | 467 |
| 280 | Cell Physiology | 1 | 139 | 756 | 535 |
| 281 | Computer Science | 7 | 138 | 1,032 | 887 |
| 281 | Biogeochemical Cycles | 3 | 138 | 140 | 188 |
| 283 | Geobiology | 5 | 136 | 131 | 178 |
| 284 | Innovation Studies | 1 | 135 | 112 | 105 |
| 285 | Geoinformatics | 4 | 134 | 59 | 50 |
| 285 | Trees | 12 | 134 | 74 | 170 |
| 287 | Microbiological Phenomena | 3 | 133 | 581 | 628 |
| 287 | Fire Science | 1 | 133 | 75 | 18 |
| 289 | Food Industry | 5 | 132 | 407 | 495 |
| 290 | Social Medicine | 3 | 131 | 135 | 125 |
| 290 | Bioanalytical Chemistry | 2 | 131 | 145 | 87 |
| 292 | Water Resources | 6 | 130 | 172 | 196 |
| 292 | Aquatic Ecology | 6 | 130 | 154 | 185 |
| 294 | Atmospheric Science | 5 | 129 | 421 | 496 |
| 294 | Precision Agriculture | 3 | 129 | 30 | 30 |
| 296 | Landslides | 2 | 128 | 74 | 65 |
| 296 | Disaster Studies | 2 | 128 | 126 | 75 |
| 298 | Biochemical Engineering | 7 | 125 | 205 | 360 |
| 299 | Ecosystem Health | 4 | 124 | 4 | 13 |
| 299 | Viruses | 4 | 124 | 558 | 759 |
| 299 | Biological Invasions | 7 | 124 | 78 | 154 |
| 299 | Invasion Biology | 7 | 124 | 79 | 153 |
| 299 | Biological Invasion | 7 | 124 | 71 | 148 |
| 299 | Invasive Species | 7 | 124 | 72 | 149 |
| 305 | Food Policy | 1 | 120 | 105 | 78 |
| 305 | Food Planning | 1 | 120 | 101 | 78 |
| 305 | Fungal Ecology | 6 | 120 | 21 | 50 |
| 308 | Mobile Genetic Elements | 2 | 118 | 31 | 28 |
| 308 | Clay | 5 | 118 | 112 | 176 |
| 308 | DNA | 2 | 118 | 176 | 139 |
| 311 | Archaeology | 3 | 117 | 393 | 257 |
| 311 | Diabetes Mellitus | 2 | 117 | 912 | 849 |
| 311 | Wetland Ecology | 3 | 117 | 103 | 87 |
| 311 | Diabetes | 2 | 117 | 1,277 | 1,145 |
| 315 | Health Geography | 3 | 116 | 60 | 80 |
| 316 | Chemical Biology | 1 | 115 | 692 | 547 |
| 317 | Transportation | 4 | 114 | 534 | 503 |
| 318 | Water Engineering | 6 | 110 | 49 | 93 |
| 319 | Brewing | 7 | 109 | 40 | 45 |
| 319 | Human Ecology | 5 | 109 | 29 | 72 |
| 321 | Photogrammetry | 6 | 108 | 168 | 178 |
| 321 | Environmental Geochemistry | 7 | 108 | 29 | 66 |
| 323 | Cell Death | 1 | 104 | 592 | 472 |
| 324 | Edible Plants | 2 | 103 | 54 | 39 |
| 324 | Agricultural Informatics | 4 | 103 | 89 | 176 |
| 324 | Nutritive Value | 2 | 103 | 54 | 39 |
| 327 | Wetland Management | 2 | 100 | 54 | 43 |
| 327 | Experimental Biology | 4 | 100 | 667 | 585 |
| 329 | Greenhouse Gases | 5 | 95 | 78 | 160 |
| 329 | Water Conservation | 1 | 95 | 59 | 21 |
| 329 | Carbon Dioxide | 5 | 95 | 14 | 25 |
| 329 | Laboratory Techniques | 3 | 95 | 119 | 138 |
| 329 | Carbon Dioxide Mitigation | 5 | 95 | 14 | 25 |
| 329 | Greenhouse Gas Mitigation | 5 | 95 | 14 | 25 |
| 335 | Watershed Management | 5 | 94 | 14 | 28 |
| 335 | Forensic Sciences | 10 | 94 | 37 | 79 |
| 337 | Environmental Risk Assessment | 1 | 92 | 292 | 142 |
| 337 | Insecta | 4 | 92 | 246 | 309 |
| 337 | Environmental Impact Analysis | 1 | 92 | 266 | 153 |
| 337 | Environmental Impact Statements | 1 | 92 | 166 | 95 |
| 341 | Environmental Economics | 2 | 91 | 82 | 101 |
| 342 | Embryology | 2 | 90 | 425 | 476 |
| 342 | Cell Differentiation | 2 | 90 | 424 | 478 |
| 342 | Feeding Behavior | 1 | 90 | 263 | 180 |
| 342 | Growth | 2 | 90 | 274 | 397 |
| 342 | Appetite | 1 | 90 | 229 | 162 |
| 342 | Parasitic Infectious Diseases | 3 | 90 | 265 | 299 |
| 342 | Cultivated Plants | 4 | 90 | 71 | 88 |
| 349 | Landscapes | 5 | 89 | 4 | 10 |
| 349 | Reproduction | 2 | 89 | 744 | 706 |
| 351 | Epidemiology | 3 | 87 | 1,096 | 1,272 |
| 351 | Fertilizers | 5 | 87 | 44 | 79 |
| 351 | Cropping Systems | 5 | 87 | 32 | 70 |
| 351 | Nutrient Cycles | 5 | 87 | 32 | 70 |
| 355 | Molecular Microbiology | 3 | 86 | 246 | 437 |
| 355 | Pest Control | 6 | 86 | 138 | 206 |
| 357 | Land Degradation | 2 | 85 | 120 | 115 |
| 357 | Reclamation of Land | 2 | 85 | 126 | 115 |
| 357 | Soil Degradation | 2 | 85 | 120 | 115 |
| 360 | Energy Policy | 4 | 84 | 247 | 457 |
| 360 | Food Microbiology | 2 | 84 | 285 | 341 |
| 360 | Clay Minerals | 3 | 84 | 69 | 91 |
| 360 | Plankton | 2 | 84 | 80 | 77 |
| 360 | Astrobiology | 4 | 84 | 92 | 149 |
| 365 | Transgenic Organisms | 2 | 83 | 132 | 131 |
| 366 | Artificial Intelligence | 6 | 82 | 642 | 1,032 |
| 366 | Medical Sociology | 2 | 82 | 399 | 478 |
| 366 | Economic Development | 3 | 82 | 233 | 329 |
| 366 | Ecohydrology | 2 | 82 | 103 | 89 |
| 366 | Animals | 1 | 82 | 406 | 174 |
| 366 | Social Behavior | 1 | 82 | 194 | 147 |
| 366 | Sociobiology | 1 | 82 | 189 | 129 |
| 373 | Economic Policy | 3 | 80 | 322 | 261 |
| 374 | Education | 2 | 79 | 1,317 | 733 |
| 374 | Watersheds | 4 | 79 | 8 | 20 |
| 376 | Freshwater Biology | 2 | 78 | 258 | 248 |
| 376 | Freshwater Animals | 2 | 78 | 160 | 188 |
| 376 | Fresh Water | 2 | 78 | 143 | 184 |
| 376 | Freshwater Plants | 2 | 78 | 143 | 184 |
| 380 | Animal Culture | 6 | 77 | 249 | 309 |
| 380 | Near Infrared Spectroscopy | 2 | 77 | 56 | 31 |
| 380 | Rice | 1 | 77 | 79 | 58 |
| 380 | Oryza | 1 | 77 | 48 | 48 |
| 384 | Exobiology | 2 | 76 | 103 | 131 |
| 384 | Health Informatics | 2 | 76 | 528 | 532 |
| 384 | Medical Informatics | 2 | 76 | 931 | 799 |
| 387 | Restoration Ecology | 5 | 75 | 106 | 194 |
| 387 | Bioclimatology | 3 | 75 | 92 | 128 |
| 387 | Biometeorology | 3 | 75 | 84 | 123 |
| 387 | Cell Nucleus | 2 | 75 | 28 | 32 |
| 391 | Development | 4 | 74 | 340 | 631 |
| 392 | Organic Geochemistry | 3 | 73 | 109 | 164 |
| 392 | Acarology | 1 | 73 | 195 | 89 |
| 392 | Mites | 1 | 73 | 189 | 88 |
| 392 | Acari | 1 | 73 | 145 | 80 |
| 396 | Human Genetics | 1 | 72 | 1,398 | 1,296 |
| 396 | Medical Genetics | 1 | 72 | 1,852 | 1,605 |
| 396 | Human Molecular Genetics | 1 | 72 | 518 | 587 |
| 399 | Optics | 3 | 71 | 2,041 | 1,611 |
| 400 | Virus Diseases | 1 | 70 | 847 | 584 |
| 400 | Virus Physiological Phenomena | 1 | 70 | 113 | 130 |
| 400 | Land Reclamation | 4 | 70 | 83 | 168 |
| 403 | Chromatography | 3 | 69 | 604 | 607 |
| 403 | Chromatographic Analysis | 3 | 69 | 570 | 580 |
| 405 | Medicine | 1 | 68 | 7,647 | 5,807 |
| 405 | Agroforestry | 3 | 68 | 77 | 88 |
| 405 | Physical Chemistry | 2 | 68 | 1,640 | 1,481 |
| 405 | Oenology | 2 | 68 | 42 | 38 |
| 409 | Submarine Geology | 3 | 67 | 234 | 316 |
| 410 | Phytochemistry | 3 | 66 | 315 | 431 |
| 410 | Futures Studies | 3 | 66 | 69 | 84 |
| 410 | Geomicrobiology | 3 | 66 | 52 | 77 |
| 413 | Mechanical Engineering | 5 | 65 | 907 | 631 |
| 413 | Software Engineering | 5 | 65 | 319 | 450 |
| 413 | Digestion | 1 | 65 | 6 | 4 |
| 416 | Microbiota | 3 | 63 | 27 | 41 |
| 416 | Nature-Based Solutions | 3 | 63 | 4 | 9 |
| 418 | Animal Science | 3 | 62 | 400 | 371 |
| 419 | Population Biology | 4 | 61 | 127 | 212 |
| 420 | Technology Transfer | 1 | 60 | 65 | 54 |
| 421 | Radioactivity | 4 | 59 | 267 | 320 |
| 421 | Radioactive Pollution | 4 | 59 | 148 | 204 |
| 421 | Radioecology | 4 | 59 | 148 | 204 |
| 421 | Radioactive Pollutants | 4 | 59 | 148 | 204 |
| 425 | Management | 2 | 58 | 1,006 | 874 |
| 426 | Disability Studies | 1 | 57 | 102 | 82 |
| 426 | Total Quality Management | 1 | 57 | 84 | 59 |
| 426 | Performance Management | 1 | 57 | 55 | 34 |
| 429 | Materials Science | 2 | 56 | 3,413 | 3,022 |
| 429 | Physiology | 2 | 56 | 1,637 | 1,812 |
| 429 | Applied Economics | 2 | 56 | 175 | 134 |
| 429 | Environmental Modelling | 1 | 56 | 80 | 39 |
| 433 | Water Quality Management | 3 | 55 | 373 | 475 |
| 433 | Hydrogen as Fuel | 2 | 55 | 620 | 757 |
| 433 | Hydrogen Fuel | 2 | 55 | 620 | 757 |
| 436 | Rhizosphere | 5 | 54 | 12 | 27 |
| 437 | Physics | 5 | 53 | 3,151 | 3,321 |
| 438 | Geographic Information System | 3 | 52 | 30 | 86 |
| 439 | Forensic Genetics | 1 | 50 | 129 | 95 |
| 439 | Community Development | 3 | 50 | 13 | 27 |
| 441 | Mountains | 4 | 49 | 42 | 68 |
| 442 | Catalysis | 3 | 48 | 853 | 1,146 |
| 442 | Chemical Ecology | 3 | 48 | 112 | 216 |
| 444 | Mineralogy | 3 | 47 | 328 | 387 |
| 444 | Botanical Chemistry | 2 | 47 | 363 | 487 |
| 446 | Statistics | 26 | 46 | 215 | 1,003 |
| 446 | Environmental Studies | 3 | 46 | 53 | 48 |
| 446 | Global Change | 2 | 46 | 245 | 388 |
| 449 | Weeds | 2 | 45 | 103 | 101 |
| 449 | Agricultural Technology | 2 | 45 | 43 | 28 |
| 449 | Weed Control | 2 | 45 | 88 | 92 |
| 452 | Agricultural Biotechnology | 5 | 44 | 51 | 46 |
| 452 | Fermentation | 4 | 44 | 80 | 146 |
| 452 | Brewing Industry | 4 | 44 | 36 | 65 |
| 452 | Earth System Science | 1 | 44 | 46 | 52 |
| 456 | Polymers | 3 | 43 | 1,500 | 1,866 |
| 456 | Human Nature Relations | 2 | 43 | 10 | 53 |
| 458 | Anthropology | 1 | 42 | 958 | 674 |
| 458 | Marine Natural Products | 1 | 42 | 301 | 345 |
| 458 | Nervous System | 1 | 42 | 1,783 | 1,735 |
| 458 | Planning | 3 | 42 | 65 | 117 |
| 458 | Arthropoda | 3 | 42 | 50 | 68 |
| 458 | Insect Plant Relationships | 3 | 42 | 24 | 37 |
| 464 | Plant Genetics | 2 | 41 | 202 | 214 |
| 464 | Genetic Engineering | 1 | 41 | 211 | 259 |
| 464 | Clinical Chemistry | 1 | 41 | 1,259 | 1,108 |
| 464 | Antioxidants | 2 | 41 | 305 | 427 |
| 464 | Qualitative Research | 2 | 41 | 78 | 86 |
| 464 | Human Plant Relationships | 1 | 41 | 71 | 79 |
| 470 | Ornithology | 5 | 40 | 260 | 385 |
| 470 | Plant Hormones | 2 | 40 | 134 | 172 |
| 470 | Surface Properties | 1 | 40 | 903 | 980 |
| 470 | Birds | 4 | 40 | 307 | 432 |
| 470 | Genome | 3 | 40 | 225 | 431 |
| 470 | Spatial Planning | 4 | 40 | 68 | 182 |
| 470 | Plant Growth | 2 | 40 | 134 | 172 |
| 470 | Plant Regulators | 2 | 40 | 134 | 172 |
| 470 | Surface Active Agents | 1 | 40 | 435 | 464 |
| 470 | Biochar | 1 | 40 | 27 | 45 |
| 480 | Photonics | 1 | 39 | 1,358 | 1,242 |
| 480 | Petrology | 1 | 39 | 312 | 273 |
| 480 | Agricultural Pests | 4 | 39 | 121 | 198 |
| 480 | Oceanographic Research | 1 | 39 | 198 | 213 |
| 484 | Lipids | 2 | 38 | 701 | 967 |
| 484 | Insect Pests | 3 | 38 | 128 | 208 |
| 484 | Small Scale Forestry | 1 | 38 | 28 | 26 |
| 487 | Immunology | 2 | 37 | 2,563 | 3,153 |
| 487 | Food Safety | 1 | 37 | 393 | 349 |
| 487 | Sedimentology | 2 | 37 | 260 | 336 |
| 487 | Plant Health | 1 | 37 | 31 | 26 |
| 487 | Protoplasm | 2 | 37 | 108 | 156 |
| 492 | Symbiosis | 4 | 36 | 18 | 63 |
| 492 | Marine Pollution | 3 | 36 | 452 | 741 |
| 492 | Economic Conditions | 1 | 36 | 564 | 383 |
| 492 | Economic Analysis | 1 | 36 | 40 | 41 |
| 492 | Chromatin | 1 | 36 | 110 | 143 |
| 492 | Genetic Epigenesis | 1 | 36 | 376 | 452 |
| 492 | Epigenesis | 1 | 36 | 375 | 452 |
| 499 | Economic Geography | 1 | 35 | 148 | 162 |
| 499 | Bacteriology | 2 | 35 | 454 | 708 |
| 499 | Plant Tissue Culture | 2 | 35 | 209 | 311 |
| 499 | Plant Cell Culture | 2 | 35 | 209 | 311 |
| 503 | Public Policy | 2 | 34 | 522 | 704 |
| 503 | Design | 1 | 34 | 166 | 72 |
| 503 | Recreation | 1 | 34 | 25 | 39 |
| 503 | Leisure | 1 | 34 | 38 | 36 |
| 507 | Allergology | 1 | 33 | 985 | 1,093 |
| 508 | Political Geography | 2 | 32 | 46 | 86 |
| 508 | Coastal Zone Management | 2 | 32 | 190 | 334 |
| 508 | Food Additives | 2 | 32 | 110 | 174 |
| 508 | Food Contamination | 2 | 32 | 164 | 219 |
| 508 | Technology | 2 | 32 | 1,064 | 1,315 |
| 508 | Development Studies | 2 | 32 | 208 | 177 |
| 508 | Well Being | 1 | 32 | 47 | 51 |
| 508 | Food Additive | 2 | 32 | 141 | 233 |
| 508 | Food Contaminant | 2 | 32 | 141 | 233 |
| 508 | Spatial Statistics | 2 | 32 | 23 | 33 |
| 518 | Cultural Geography | 1 | 31 | 7 | 4 |
| 518 | Biofuels | 2 | 31 | 129 | 286 |
| 518 | International Environmental Law | 1 | 31 | 58 | 51 |
| 521 | Global Health | 1 | 30 | 1,121 | 1,065 |
| 521 | Climate Policy | 1 | 30 | 120 | 150 |
| 521 | Tropical Plants | 2 | 30 | 39 | 53 |
| 524 | Engineering | 2 | 29 | 4,147 | 4,373 |
| 524 | Infectious Diseases | 1 | 29 | 2,241 | 2,243 |
| 524 | Social Change | 1 | 29 | 185 | 302 |
| 524 | Community Health | 2 | 29 | 148 | 245 |
| 524 | Community Health Services | 2 | 29 | 243 | 423 |
| 524 | Wellbeing | 1 | 29 | 9 | 7 |
| 524 | Technological Forecasting | 1 | 29 | 181 | 303 |
| 524 | Transport Geography | 1 | 29 | 77 | 121 |
| 524 | Transports | 1 | 29 | 77 | 121 |
| 533 | Rock Mechanics | 1 | 28 | 400 | 421 |
| 533 | Mathematical Economics | 2 | 28 | 213 | 251 |
| 533 | Developmental Genetics | 1 | 28 | 217 | 306 |
| 533 | Regional Studies | 2 | 28 | 98 | 146 |
| 533 | Geomatics | 4 | 28 | 151 | 197 |
| 533 | Separation Technology | 2 | 28 | 346 | 462 |
| 533 | Theoretical Biology | 3 | 28 | 228 | 462 |
| 533 | Imaging Science | 1 | 28 | 118 | 83 |
| 533 | Input Output Analysis | 2 | 28 | 26 | 45 |
| 542 | Macromolecules | 1 | 27 | 1,506 | 1,600 |
| 542 | Polar Biology | 2 | 27 | 154 | 230 |
| 544 | Marine Geology | 2 | 26 | 191 | 304 |
| 544 | Petroleum Geology | 2 | 26 | 238 | 353 |
| 544 | Neuroendocrinology | 1 | 26 | 159 | 233 |
| 544 | Research Methodology | 2 | 26 | 178 | 342 |
| 544 | Petroleum | 2 | 26 | 405 | 564 |
| 544 | Cold Climate | 1 | 26 | 104 | 131 |
| 544 | Horses | 2 | 26 | 64 | 108 |
| 544 | Physical Phenomena | 1 | 26 | 787 | 838 |
| 544 | Horse Diseases | 2 | 26 | 59 | 104 |
| 544 | Natural Gas Geology | 2 | 26 | 175 | 287 |
| 544 | Offshore Deposits | 2 | 26 | 175 | 287 |
| 555 | Groundwater | 2 | 25 | 222 | 343 |
| 555 | Contamination | 2 | 25 | 124 | 225 |
| 557 | Population Genetics | 3 | 24 | 176 | 365 |
| 557 | Energy Conservation | 1 | 24 | 333 | 471 |
| 557 | Photobiology | 1 | 24 | 767 | 883 |
| 557 | Outdoor Recreation | 1 | 24 | 16 | 24 |
| 557 | Regulation | 1 | 24 | 110 | 123 |
| 557 | Buildings | 1 | 24 | 500 | 637 |
| 557 | Public Utilities | 1 | 24 | 64 | 77 |
| 557 | Conservation Genetics | 3 | 24 | 150 | 303 |
| 565 | Engineering Geology | 1 | 23 | 474 | 494 |
| 565 | Disaster Relief | 1 | 23 | 78 | 110 |
| 565 | Disasters | 1 | 23 | 100 | 126 |
| 568 | Maritime Anthropology | 1 | 22 | 31 | 30 |
| 569 | Political Science | 1 | 20 | 641 | 448 |
| 569 | Green Chemistry | 2 | 20 | 590 | 994 |
| 569 | Atmospheric Chemistry | 1 | 20 | 433 | 582 |
| 569 | Atmospheric Physics | 1 | 20 | 765 | 949 |
| 569 | Atmosphere | 1 | 20 | 801 | 1,015 |
| 569 | Plant Protection | 3 | 20 | 195 | 305 |
| 569 | Poisons | 1 | 20 | 506 | 680 |
| 569 | Biological Transport | 1 | 20 | 189 | 304 |
| 569 | Carbon Science | 1 | 20 | 16 | 34 |
| 569 | Forest Pathology | 2 | 20 | 71 | 104 |
| 569 | Forest Dieback | 2 | 20 | 71 | 104 |
| 569 | Tree Diseases | 2 | 20 | 71 | 104 |
| 581 | Maps | 1 | 19 | 74 | 74 |
| 581 | Aquaculture | 1 | 19 | 590 | 698 |
| 583 | Comparative Physiology | 1 | 18 | 534 | 674 |
| 583 | Animal Physiology | 1 | 18 | 45 | 71 |
| 583 | Biometrics | 2 | 18 | 327 | 500 |
| 583 | Wildlife Diseases | 2 | 18 | 150 | 222 |
| 583 | Biometry | 2 | 18 | 371 | 551 |
| 583 | Agrarian Institutions | 1 | 18 | 15 | 23 |
| 583 | Environmental Governance | 1 | 18 | 19 | 27 |
| 590 | Architecture | 2 | 17 | 601 | 401 |
| 590 | Information Systems | 1 | 17 | 1,082 | 789 |
| 590 | Hydraulic Engineering | 2 | 17 | 402 | 572 |
| 590 | Rheology | 1 | 17 | 266 | 303 |
| 590 | Wetland Conservation | 1 | 17 | 148 | 206 |
| 590 | Wetlands | 1 | 17 | 150 | 206 |
| 590 | Vitamins | 1 | 17 | 45 | 68 |
| 590 | Building Engineering | 2 | 17 | 314 | 437 |
| 590 | Biological Models | 1 | 17 | 285 | 413 |
| 590 | Information and Communication Technology | 1 | 17 | 416 | 173 |
| 590 | Forest Economics | 1 | 17 | 13 | 18 |
| 590 | Biorheology | 1 | 17 | 57 | 61 |
| 602 | Bird | 2 | 16 | 262 | 389 |
| 602 | Atomic Spectrometry | 2 | 16 | 307 | 497 |
| 602 | Atomic Spectra | 2 | 16 | 179 | 342 |
| 602 | Atomic Spectrophotometry | 2 | 16 | 179 | 342 |
| 602 | Bird Fauna | 2 | 16 | 117 | 220 |
| 607 | Physical Geography | 1 | 15 | 126 | 170 |
| 607 | Measurement | 1 | 15 | 1,541 | 1,883 |
| 607 | Hygiene | 2 | 15 | 587 | 1,093 |
| 607 | Sensor | 1 | 15 | 1,541 | 1,927 |
| 611 | Social Sciences | 2 | 14 | 611 | 760 |
| 611 | Hydrogeology | 1 | 14 | 321 | 430 |
| 611 | Food Technology | 1 | 14 | 805 | 1,037 |
| 611 | Obesity | 1 | 14 | 918 | 1,275 |
| 611 | Economic Planning | 1 | 14 | 69 | 111 |
| 611 | Metals | 1 | 14 | 1,150 | 1,389 |
| 611 | Food Processing Industry | 1 | 14 | 474 | 715 |
| 611 | Domestic Animals | 1 | 14 | 312 | 405 |
| 611 | Socioeconomics | 1 | 14 | 65 | 98 |
| 611 | Environmental Catalysis | 1 | 14 | 341 | 540 |
| 621 | Mass Communication | 1 | 13 | 24 | 45 |
| 621 | Urban Policy | 1 | 13 | 138 | 257 |
| 621 | Alternative Medicine | 1 | 13 | 537 | 787 |
| 621 | Mass Media | 1 | 13 | 145 | 180 |
| 621 | Complementary Therapies | 1 | 13 | 408 | 664 |
| 621 | Communication | 1 | 13 | 453 | 638 |
| 621 | Natural Products | 2 | 13 | 424 | 787 |
| 621 | Phytotherapy | 1 | 13 | 374 | 653 |
| 621 | Natural History | 1 | 13 | 478 | 464 |
| 621 | Culture | 1 | 13 | 121 | 106 |
| 621 | Computer | 5 | 13 | 1,176 | 1,763 |
| 621 | Wild Animals | 2 | 13 | 158 | 292 |
| 621 | Cultural Sociology | 1 | 13 | 9 | 21 |
| 634 | Otolaryngology | 1 | 12 | 1,149 | 1,322 |
| 634 | Marine Biology | 2 | 12 | 486 | 890 |
| 634 | Marine Ecology | 2 | 12 | 285 | 539 |
| 634 | Plant Morphology | 1 | 12 | 109 | 143 |
| 634 | Mammalogy | 1 | 12 | 340 | 463 |
| 634 | Mammals | 1 | 12 | 566 | 750 |
| 634 | Aquatic Biology | 1 | 12 | 587 | 783 |
| 634 | Edible Insects | 1 | 12 | 39 | 57 |
| 642 | Ecological Genetics | 2 | 11 | 152 | 364 |
| 642 | Environmental Forensics | 1 | 11 | 41 | 64 |
| 642 | Microscopy | 1 | 11 | 820 | 986 |
| 642 | Biomedicine | 1 | 11 | 1,226 | 1,596 |
| 642 | Social Conditions | 1 | 11 | 289 | 404 |
| 642 | Regional Science | 2 | 11 | 50 | 70 |
| 642 | Pomology | 1 | 11 | 9 | 6 |
| 642 | Bovidae | 2 | 11 | 85 | 174 |
| 642 | Goats | 2 | 11 | 85 | 174 |
| 642 | Ruminants | 2 | 11 | 85 | 174 |
| 642 | Sheep | 2 | 11 | 85 | 174 |
| 653 | Ecotourism | 1 | 10 | 5 | 26 |
| 653 | Industrial Chemistry | 1 | 10 | 947 | 1,226 |
| 653 | Pharmaceutics | 1 | 10 | 1,127 | 1,570 |
| 653 | Nature Management | 1 | 10 | 146 | 222 |
| 657 | Pharmacognosy | 1 | 9 | 805 | 1,222 |
| 657 | Data Analysis | 1 | 9 | 221 | 301 |
| 657 | Spectroscopy | 1 | 9 | 847 | 1,115 |
| 657 | Spectrum Analysis | 1 | 9 | 1,285 | 1,618 |
| 657 | Membranes | 1 | 9 | 954 | 1,382 |
| 657 | Mathematical Statistics | 1 | 9 | 770 | 909 |
| 657 | Natural Product | 1 | 9 | 319 | 538 |
| 657 | Dairy Farming | 1 | 9 | 284 | 448 |
| 665 | Oncology | 1 | 8 | 3,805 | 4,632 |
| 665 | Engineering Mathematics | 1 | 8 | 548 | 707 |
| 665 | Electrochemistry | 1 | 8 | 1,864 | 2,092 |
| 665 | Environmentalism | 1 | 8 | 20 | 65 |
| 665 | Microfluidics | 1 | 8 | 415 | 733 |
| 665 | Miniaturization | 1 | 8 | 361 | 667 |
| 665 | Polar Research | 1 | 8 | 65 | 101 |
| 665 | Water Science | 1 | 8 | 96 | 193 |
| 665 | Animal Feed | 1 | 8 | 188 | 270 |
| 665 | Boundary Element Methods | 1 | 8 | 103 | 154 |
| 665 | Feeds | 1 | 8 | 165 | 248 |
| 665 | Boundary Element Method | 1 | 8 | 103 | 154 |
| 665 | Engineering Analysis | 1 | 8 | 107 | 158 |
| 665 | Sustainable Transport | 1 | 8 | 36 | 78 |
| 679 | Agricultural Engineering | 1 | 7 | 241 | 373 |
| 679 | Freshwater Ecology | 1 | 7 | 67 | 102 |
| 679 | Rural Development | 2 | 7 | 17 | 48 |
| 679 | Crystallography | 2 | 7 | 815 | 1,256 |
| 679 | Continental Shelf | 1 | 7 | 212 | 333 |
| 679 | Isotopes | 1 | 7 | 465 | 604 |
| 679 | Environmental Statistics | 1 | 7 | 83 | 167 |
| 686 | Higher Education | 1 | 6 | 481 | 603 |
| 686 | Information Retrieval | 1 | 6 | 378 | 535 |
| 686 | Risk Assessment | 1 | 6 | 168 | 317 |
| 686 | Ecological Risk Assessment | 1 | 6 | 121 | 227 |
| 686 | Gerontology | 1 | 6 | 1,627 | 2,154 |
| 686 | Semantic Web | 1 | 6 | 114 | 167 |
| 686 | Aging | 1 | 6 | 1,584 | 2,151 |
| 686 | Biomathematics | 2 | 6 | 257 | 588 |
| 686 | Applied Statistics | 1 | 6 | 134 | 198 |
| 686 | Commons | 1 | 6 | 17 | 49 |
| 696 | Cartography | 3 | 5 | 76 | 142 |
| 696 | Organic Farming | 1 | 5 | 22 | 70 |
| 696 | Quaternary Geologic Period | 1 | 5 | 490 | 722 |
| 696 | Quaternary Geology | 1 | 5 | 487 | 720 |
| 696 | Geoinformation | 3 | 5 | 23 | 56 |
| 696 | Geotechnics | 1 | 5 | 128 | 219 |
| 696 | Conservation Biogeography | 1 | 5 | 251 | 482 |
| 696 | Invasion Ecology | 1 | 5 | 251 | 482 |
| 704 | Law | 1 | 4 | 473 | 583 |
| 704 | Political Ecology | 1 | 4 | 14 | 31 |
| 704 | Aquatic Ecosystems | 1 | 4 | 89 | 147 |
| 704 | Proteome | 1 | 4 | 856 | 1,387 |
| 704 | Arthropods | 1 | 4 | 159 | 294 |
| 704 | Forest Genetics | 2 | 4 | 91 | 258 |
| 704 | Proteins | 1 | 4 | 1,151 | 1,707 |
| 704 | Mathematical Modeling | 1 | 4 | 19 | 20 |
| 704 | Medical Parasitology | 1 | 4 | 132 | 242 |
| 704 | Natural Products Chemistry | 1 | 4 | 224 | 435 |
| 704 | Ecosystems | 1 | 4 | 35 | 86 |
| 704 | Ecosystems Management | 1 | 4 | 68 | 121 |
| 716 | Psychiatry | 1 | 3 | 2,415 | 3,369 |
| 716 | Mathematics | 1 | 3 | 2,398 | 3,005 |
| 716 | Biostatistics | 1 | 3 | 261 | 395 |
| 716 | Knowledge Management | 2 | 3 | 108 | 389 |
| 716 | Bipolar Disorder | 1 | 3 | 134 | 252 |
| 716 | Behavioral Economics | 1 | 3 | 79 | 196 |
| 716 | Ecological Economics | 1 | 3 | 22 | 29 |
| 716 | Diseased Plants | 1 | 3 | 112 | 208 |
| 716 | Microbiome | 1 | 3 | 282 | 599 |
| 716 | Ecopsychology | 1 | 3 | 6 | 30 |
| 716 | Manic Depressive Illness | 1 | 3 | 119 | 218 |
| 727 | Sports Psychology | 1 | 2 | 46 | 110 |
| 727 | Cellulose | 1 | 2 | 243 | 465 |
| 727 | Soft Computing | 1 | 2 | 472 | 812 |
| 727 | Geomechanics | 1 | 2 | 35 | 75 |
| 727 | Mountain Ecology | 1 | 2 | 21 | 26 |
| 732 | Crop Science | 1 | 1 | 27 | 63 |
| 732 | Environmental Ethics | 1 | 1 | 21 | 72 |
| 732 | Environmental Justice | 1 | 1 | 13 | 46 |
| 732 | Phylogenetics | 1 | 1 | 331 | 622 |
| 732 | Business Ethics | 1 | 1 | 119 | 308 |
| 732 | Statistical Physics | 1 | 1 | 563 | 908 |
| 732 | National Security | 1 | 1 | 133 | 201 |
| 732 | Phylogeny | 1 | 1 | 350 | 641 |
| 732 | Industrial Management | 1 | 1 | 458 | 861 |
| 732 | Forensic Medicine | 1 | 1 | 307 | 575 |
| 732 | Medical Jurisprudence | 1 | 1 | 310 | 580 |
| 732 | Pests | 1 | 1 | 234 | 402 |
| 732 | Social Responsibility of Business | 1 | 1 | 12 | 75 |
| 732 | Biological Pest Control | 1 | 1 | 175 | 297 |
| 732 | Cleaner Production | 1 | 1 | 39 | 162 |
| 732 | Humanistic Ethics | 1 | 1 | 2 | 7 |
| 732 | Food Ethics | 1 | 1 | 5 | 18 |
| 749 | Applied Mathematics | 1 | 0 | 588 | 1,022 |
| 749 | Educational Technology | 1 | 0 | 396 | 778 |
| 749 | Open Source Software | 1 | 0 | 45 | 133 |
| 749 | Meteorites | 1 | 0 | 172 | 316 |
| 749 | Computer Software | 1 | 0 | 343 | 671 |
| 749 | Mathematical Biology | 1 | 0 | 221 | 471 |
| 749 | Complexity Science | 3 | 0 | 57 | 174 |
| 749 | Research Data | 1 | 0 | 153 | 514 |
| 749 | Oil Chemistry | 1 | 0 | 272 | 520 |