 Pieter Johnson
Concepts (274)
Concepts are derived automatically from a person's publications.
Concepts are listed by decreasing relevance which is based on many factors, including how many publications the person wrote about that topic, how long ago those publications were written, and how many publications other people have written on that same topic.
| Name |
Number of Publications
|
Most Recent Publication
|
Publications by All Authors
|
Concept Score
|
Why?
|
|---|
| Trematoda | 58 | 2025 | 77 | 20.720 |
Why?
| | Host-Parasite Interactions | 55 | 2025 | 110 | 14.610 |
Why?
| | Trematode Infections | 34 | 2025 | 49 | 11.070 |
Why?
| | Amphibians | 37 | 2025 | 55 | 10.600 |
Why?
| | Anura | 24 | 2024 | 43 | 7.470 |
Why?
| | Biodiversity | 26 | 2025 | 311 | 6.530 |
Why?
| | Parasites | 18 | 2024 | 44 | 6.330 |
Why?
| | Ecosystem | 32 | 2021 | 478 | 4.360 |
Why?
| | Snails | 17 | 2019 | 39 | 3.510 |
Why?
| | Predatory Behavior | 13 | 2024 | 52 | 2.620 |
Why?
| | Salamandridae | 7 | 2023 | 33 | 2.530 |
Why?
| | Models, Biological | 21 | 2025 | 1764 | 2.490 |
Why?
| | Larva | 24 | 2024 | 240 | 2.420 |
Why?
| | Ponds | 9 | 2020 | 16 | 2.290 |
Why?
| | Fish Diseases | 5 | 2024 | 17 | 2.280 |
Why?
| | Animals | 115 | 2025 | 38101 | 2.280 |
Why?
| | Helminthiasis, Animal | 3 | 2025 | 5 | 1.670 |
Why?
| | Bird Diseases | 4 | 2025 | 16 | 1.640 |
Why?
| | Communicable Diseases | 7 | 2020 | 166 | 1.510 |
Why?
| | Echinostomatidae | 3 | 2023 | 5 | 1.480 |
Why?
| | California | 15 | 2020 | 473 | 1.400 |
Why?
| | Odonata | 4 | 2021 | 5 | 1.370 |
Why?
| | Wetlands | 8 | 2017 | 33 | 1.330 |
Why?
| | Parasitic Diseases, Animal | 3 | 2017 | 6 | 1.310 |
Why?
| | Chytridiomycota | 10 | 2020 | 27 | 1.300 |
Why?
| | Echinostoma | 3 | 2018 | 3 | 1.290 |
Why?
| | Food Chain | 6 | 2024 | 36 | 1.290 |
Why?
| | Mycoses | 8 | 2025 | 88 | 1.250 |
Why?
| | Toxoplasmosis | 2 | 2020 | 43 | 1.180 |
Why?
| | Helminths | 3 | 2025 | 11 | 1.160 |
Why?
| | Ecology | 7 | 2021 | 105 | 1.140 |
Why?
| | Animal Distribution | 3 | 2020 | 27 | 1.130 |
Why?
| | Ambystoma | 2 | 2025 | 15 | 1.130 |
Why?
| | Population Dynamics | 13 | 2018 | 142 | 1.100 |
Why?
| | Fishes | 7 | 2024 | 110 | 1.100 |
Why?
| | Ranidae | 6 | 2022 | 13 | 1.060 |
Why?
| | Life History Traits | 2 | 2025 | 15 | 1.060 |
Why?
| | Tetrodotoxin | 2 | 2018 | 40 | 1.060 |
Why?
| | Fresh Water | 8 | 2019 | 53 | 1.040 |
Why?
| | Parasitic Diseases | 2 | 2018 | 8 | 1.020 |
Why?
| | Phylogeny | 7 | 2025 | 917 | 1.010 |
Why?
| | Ranavirus | 5 | 2022 | 6 | 1.010 |
Why?
| | Communicable Diseases, Emerging | 3 | 2020 | 39 | 1.000 |
Why?
| | Population Density | 12 | 2018 | 89 | 0.980 |
Why?
| | Conservation of Natural Resources | 6 | 2018 | 119 | 0.980 |
Why?
| | Life Cycle Stages | 9 | 2021 | 37 | 0.970 |
Why?
| | Host Specificity | 4 | 2022 | 33 | 0.910 |
Why?
| | Coral Reefs | 1 | 2024 | 8 | 0.870 |
Why?
| | Astacoidea | 4 | 2012 | 6 | 0.810 |
Why?
| | Environment | 4 | 2015 | 293 | 0.800 |
Why?
| | Toxoplasma | 2 | 2020 | 49 | 0.770 |
Why?
| | Introduced Species | 3 | 2012 | 39 | 0.760 |
Why?
| | Raptors | 2 | 2025 | 5 | 0.700 |
Why?
| | Perciformes | 2 | 2015 | 20 | 0.700 |
Why?
| | Linear Models | 3 | 2020 | 849 | 0.700 |
Why?
| | Insecta | 3 | 2017 | 71 | 0.660 |
Why?
| | Leeches | 1 | 2020 | 3 | 0.650 |
Why?
| | Adaptation, Biological | 1 | 2020 | 48 | 0.650 |
Why?
| | Parasitology | 2 | 2020 | 9 | 0.640 |
Why?
| | Animal Diseases | 3 | 2018 | 9 | 0.640 |
Why?
| | Behavior | 1 | 2020 | 90 | 0.630 |
Why?
| | Seasons | 6 | 2020 | 538 | 0.630 |
Why?
| | Biota | 3 | 2019 | 29 | 0.620 |
Why?
| | Host-Pathogen Interactions | 6 | 2025 | 361 | 0.620 |
Why?
| | Corticosterone | 2 | 2018 | 241 | 0.610 |
Why?
| | Daphnia | 3 | 2009 | 5 | 0.610 |
Why?
| | Virulence | 3 | 2023 | 278 | 0.600 |
Why?
| | Nematoda | 1 | 2019 | 12 | 0.590 |
Why?
| | DNA Virus Infections | 1 | 2018 | 3 | 0.580 |
Why?
| | Echinostomiasis | 1 | 2018 | 1 | 0.580 |
Why?
| | Symbiosis | 2 | 2016 | 72 | 0.570 |
Why?
| | Ehrlichiosis | 1 | 2018 | 4 | 0.570 |
Why?
| | Entrepreneurship | 1 | 2018 | 6 | 0.560 |
Why?
| | Pesticides | 2 | 2017 | 59 | 0.550 |
Why?
| | Cercaria | 4 | 2021 | 5 | 0.550 |
Why?
| | DNA, Helminth | 5 | 2025 | 26 | 0.530 |
Why?
| | Lyme Disease | 1 | 2018 | 58 | 0.530 |
Why?
| | Temperature | 4 | 2018 | 633 | 0.530 |
Why?
| | Climate Change | 10 | 2018 | 177 | 0.530 |
Why?
| | Animals, Wild | 6 | 2024 | 62 | 0.530 |
Why?
| | Birds | 4 | 2025 | 86 | 0.500 |
Why?
| | RNA, Ribosomal, 28S | 3 | 2025 | 9 | 0.500 |
Why?
| | Body Size | 2 | 2015 | 88 | 0.500 |
Why?
| | Congenital Abnormalities | 3 | 2011 | 109 | 0.490 |
Why?
| | Ducks | 1 | 2015 | 5 | 0.470 |
Why?
| | Environmental Pollutants | 1 | 2017 | 139 | 0.460 |
Why?
| | Charadriiformes | 1 | 2015 | 5 | 0.460 |
Why?
| | Cyprinodontiformes | 2 | 2012 | 5 | 0.460 |
Why?
| | Species Specificity | 5 | 2020 | 546 | 0.440 |
Why?
| | Communicable Disease Control | 1 | 2015 | 86 | 0.430 |
Why?
| | Prevalence | 5 | 2025 | 2875 | 0.430 |
Why?
| | Caribbean Region | 2 | 2024 | 29 | 0.430 |
Why?
| | North America | 5 | 2024 | 304 | 0.410 |
Why?
| | Biomass | 2 | 2016 | 96 | 0.400 |
Why?
| | Bayes Theorem | 3 | 2020 | 421 | 0.400 |
Why?
| | Rana pipiens | 2 | 2011 | 20 | 0.390 |
Why?
| | Anti-Infective Agents | 1 | 2016 | 232 | 0.390 |
Why?
| | Phenotype | 2 | 2020 | 3170 | 0.380 |
Why?
| | Circadian Rhythm | 1 | 2017 | 513 | 0.380 |
Why?
| | Biomphalaria | 2 | 2011 | 3 | 0.380 |
Why?
| | Metacercariae | 2 | 2023 | 4 | 0.340 |
Why?
| | Rana catesbeiana | 1 | 2011 | 12 | 0.340 |
Why?
| | Metamorphosis, Biological | 6 | 2012 | 21 | 0.330 |
Why?
| | Hot Temperature | 1 | 2014 | 396 | 0.330 |
Why?
| | Computer Simulation | 1 | 2015 | 1003 | 0.320 |
Why?
| | Behavior, Animal | 1 | 2014 | 520 | 0.320 |
Why?
| | Phosphorus | 2 | 2010 | 90 | 0.310 |
Why?
| | Binomial Distribution | 2 | 2020 | 8 | 0.310 |
Why?
| | Nitrogen | 2 | 2010 | 125 | 0.310 |
Why?
| | Body Temperature Regulation | 1 | 2011 | 105 | 0.310 |
Why?
| | Peptides | 1 | 2016 | 999 | 0.310 |
Why?
| | Schistosomiasis mansoni | 1 | 2009 | 25 | 0.290 |
Why?
| | Climate | 2 | 2020 | 77 | 0.290 |
Why?
| | Schistosoma mansoni | 1 | 2009 | 41 | 0.290 |
Why?
| | Disease Susceptibility | 1 | 2010 | 344 | 0.270 |
Why?
| | DNA, Ribosomal | 2 | 2025 | 84 | 0.260 |
Why?
| | Limb Deformities, Congenital | 2 | 2005 | 22 | 0.250 |
Why?
| | Lakes | 2 | 2020 | 23 | 0.250 |
Why?
| | Perches | 1 | 2006 | 2 | 0.250 |
Why?
| | Random Allocation | 3 | 2015 | 365 | 0.240 |
Why?
| | Electron Transport Complex IV | 3 | 2025 | 61 | 0.240 |
Why?
| | Gastropoda | 2 | 2020 | 5 | 0.230 |
Why?
| | San Francisco | 1 | 2025 | 60 | 0.230 |
Why?
| | Parasite Load | 2 | 2018 | 10 | 0.230 |
Why?
| | Demography | 1 | 2025 | 282 | 0.210 |
Why?
| | Plants | 2 | 2016 | 167 | 0.210 |
Why?
| | Endangered Species | 3 | 2016 | 18 | 0.200 |
Why?
| | DNA, Mitochondrial | 2 | 2025 | 211 | 0.200 |
Why?
| | Colorado | 5 | 2025 | 4556 | 0.190 |
Why?
| | Wisconsin | 3 | 2011 | 100 | 0.190 |
Why?
| | Survival Analysis | 3 | 2012 | 1378 | 0.190 |
Why?
| | Genetic Variation | 2 | 2020 | 977 | 0.190 |
Why?
| | Genomics | 2 | 2025 | 830 | 0.180 |
Why?
| | Likelihood Functions | 2 | 2020 | 138 | 0.170 |
Why?
| | Disease Resistance | 2 | 2019 | 29 | 0.170 |
Why?
| | Coinfection | 2 | 2013 | 143 | 0.170 |
Why?
| | Snakes | 1 | 2020 | 19 | 0.170 |
Why?
| | Phytoplankton | 1 | 2020 | 9 | 0.160 |
Why?
| | Poisson Distribution | 1 | 2020 | 78 | 0.160 |
Why?
| | Disease Reservoirs | 1 | 2020 | 25 | 0.160 |
Why?
| | Phylogeography | 1 | 2020 | 50 | 0.160 |
Why?
| | Gene Flow | 1 | 2020 | 87 | 0.150 |
Why?
| | Geography | 3 | 2018 | 187 | 0.150 |
Why?
| | Time Factors | 4 | 2015 | 7134 | 0.140 |
Why?
| | Forelimb | 2 | 2011 | 44 | 0.140 |
Why?
| | Arachnid Vectors | 1 | 2018 | 3 | 0.140 |
Why?
| | Georgia | 1 | 2018 | 79 | 0.140 |
Why?
| | Ticks | 1 | 2018 | 30 | 0.140 |
Why?
| | Biological Evolution | 2 | 2020 | 468 | 0.140 |
Why?
| | Hindlimb | 2 | 2011 | 132 | 0.140 |
Why?
| | Antibodies, Protozoan | 1 | 2018 | 41 | 0.140 |
Why?
| | Deer | 1 | 2018 | 43 | 0.140 |
Why?
| | Analysis of Variance | 2 | 2011 | 1300 | 0.140 |
Why?
| | Forests | 1 | 2018 | 48 | 0.140 |
Why?
| | Public Health Practice | 1 | 2018 | 63 | 0.140 |
Why?
| | Seroepidemiologic Studies | 1 | 2018 | 171 | 0.130 |
Why?
| | Nonlinear Dynamics | 1 | 2018 | 93 | 0.130 |
Why?
| | Humans | 15 | 2021 | 145783 | 0.130 |
Why?
| | Spatial Analysis | 1 | 2016 | 21 | 0.120 |
Why?
| | Rana clamitans | 1 | 2016 | 1 | 0.120 |
Why?
| | Nitrogen Cycle | 1 | 2016 | 9 | 0.120 |
Why?
| | Bays | 1 | 2015 | 7 | 0.120 |
Why?
| | Feces | 1 | 2019 | 496 | 0.120 |
Why?
| | Extremities | 2 | 2010 | 142 | 0.120 |
Why?
| | Fungi | 1 | 2016 | 121 | 0.110 |
Why?
| | Meta-Analysis as Topic | 1 | 2016 | 173 | 0.110 |
Why?
| | Lethal Dose 50 | 1 | 2015 | 17 | 0.110 |
Why?
| | Dimethyl Sulfoxide | 1 | 2015 | 42 | 0.110 |
Why?
| | Male | 6 | 2018 | 73010 | 0.110 |
Why?
| | Health Status Disparities | 1 | 2018 | 321 | 0.110 |
Why?
| | Solvents | 1 | 2015 | 112 | 0.110 |
Why?
| | Poverty | 1 | 2018 | 529 | 0.110 |
Why?
| | Acclimatization | 1 | 2016 | 170 | 0.100 |
Why?
| | Aminobenzoates | 1 | 2014 | 7 | 0.100 |
Why?
| | Single-Blind Method | 1 | 2015 | 318 | 0.100 |
Why?
| | Genetics, Population | 1 | 2015 | 217 | 0.100 |
Why?
| | Immunoglobulin G | 1 | 2018 | 892 | 0.100 |
Why?
| | Cattle | 1 | 2016 | 946 | 0.100 |
Why?
| | Fluorescent Dyes | 1 | 2015 | 334 | 0.100 |
Why?
| | Risk Assessment | 2 | 2016 | 3752 | 0.100 |
Why?
| | Extinction, Biological | 4 | 2016 | 33 | 0.090 |
Why?
| | Female | 5 | 2018 | 79045 | 0.090 |
Why?
| | Immunity | 1 | 2013 | 140 | 0.090 |
Why?
| | Algorithms | 2 | 2018 | 1851 | 0.090 |
Why?
| | Research | 1 | 2015 | 431 | 0.090 |
Why?
| | Light | 1 | 2015 | 403 | 0.090 |
Why?
| | Genetic Fitness | 1 | 2012 | 57 | 0.090 |
Why?
| | Trees | 1 | 2011 | 60 | 0.090 |
Why?
| | Incidence | 1 | 2018 | 2934 | 0.090 |
Why?
| | Metagenome | 1 | 2012 | 126 | 0.090 |
Why?
| | Reproduction | 1 | 2013 | 208 | 0.080 |
Why?
| | Competitive Behavior | 1 | 2011 | 43 | 0.080 |
Why?
| | Achlya | 1 | 2011 | 1 | 0.080 |
Why?
| | Urban Renewal | 1 | 2011 | 5 | 0.080 |
Why?
| | Escape Reaction | 1 | 2011 | 55 | 0.080 |
Why?
| | Agriculture | 1 | 2011 | 94 | 0.080 |
Why?
| | Immune Tolerance | 1 | 2013 | 385 | 0.080 |
Why?
| | Saprolegnia | 1 | 2010 | 1 | 0.080 |
Why?
| | Risk Factors | 4 | 2018 | 10919 | 0.080 |
Why?
| | Population | 1 | 2010 | 30 | 0.080 |
Why?
| | Oregon | 1 | 2010 | 77 | 0.080 |
Why?
| | Microbiota | 1 | 2018 | 730 | 0.080 |
Why?
| | Zooplankton | 2 | 2008 | 3 | 0.080 |
Why?
| | Fertilizers | 1 | 2010 | 11 | 0.080 |
Why?
| | Smegmamorpha | 1 | 2010 | 6 | 0.080 |
Why?
| | Bufonidae | 1 | 2010 | 8 | 0.080 |
Why?
| | Environmental Monitoring | 1 | 2012 | 347 | 0.070 |
Why?
| | Zoonoses | 1 | 2010 | 39 | 0.070 |
Why?
| | Models, Statistical | 1 | 2013 | 672 | 0.070 |
Why?
| | Lymnaea | 1 | 2009 | 1 | 0.070 |
Why?
| | Forecasting | 1 | 2011 | 390 | 0.070 |
Why?
| | Cadmium | 1 | 2009 | 68 | 0.070 |
Why?
| | Chlorophyll | 1 | 2008 | 15 | 0.070 |
Why?
| | Feeding Behavior | 1 | 2015 | 692 | 0.070 |
Why?
| | Disease Vectors | 1 | 2008 | 15 | 0.070 |
Why?
| | Sequence Alignment | 2 | 2025 | 362 | 0.070 |
Why?
| | Eukaryota | 1 | 2008 | 56 | 0.070 |
Why?
| | Brain | 1 | 2020 | 2969 | 0.070 |
Why?
| | Animal Feed | 1 | 2007 | 49 | 0.070 |
Why?
| | Body Weight | 1 | 2012 | 972 | 0.060 |
Why?
| | Risk | 1 | 2010 | 923 | 0.060 |
Why?
| | Cannibalism | 1 | 2006 | 3 | 0.060 |
Why?
| | Motor Activity | 1 | 2011 | 718 | 0.060 |
Why?
| | Regression Analysis | 1 | 2009 | 1001 | 0.060 |
Why?
| | Color | 1 | 2006 | 81 | 0.060 |
Why?
| | Logistic Models | 1 | 2011 | 2139 | 0.060 |
Why?
| | Databases, Factual | 1 | 2011 | 1491 | 0.060 |
Why?
| | Culture Media | 1 | 2005 | 161 | 0.050 |
Why?
| | Water | 1 | 2007 | 448 | 0.050 |
Why?
| | Hydrogen-Ion Concentration | 1 | 2005 | 532 | 0.050 |
Why?
| | Microscopy | 1 | 2005 | 147 | 0.050 |
Why?
| | Water Pollutants | 1 | 2003 | 20 | 0.050 |
Why?
| | Rats | 1 | 2011 | 5585 | 0.050 |
Why?
| | United States | 2 | 2018 | 16126 | 0.040 |
Why?
| | Fatty Acids | 2 | 2019 | 457 | 0.040 |
Why?
| | Brazil | 1 | 2021 | 179 | 0.040 |
Why?
| | Vertebrates | 1 | 2021 | 63 | 0.040 |
Why?
| | Fatty Acids, Essential | 1 | 2019 | 2 | 0.040 |
Why?
| | Ultraviolet Rays | 1 | 2003 | 385 | 0.040 |
Why?
| | Adaptation, Physiological | 1 | 2024 | 560 | 0.040 |
Why?
| | Sequence Analysis, DNA | 1 | 2020 | 778 | 0.030 |
Why?
| | Middle Aged | 1 | 2018 | 36309 | 0.030 |
Why?
| | Europe | 1 | 2016 | 421 | 0.030 |
Why?
| | Models, Theoretical | 1 | 2018 | 560 | 0.030 |
Why?
| | Adult | 1 | 2018 | 40881 | 0.030 |
Why?
| | Lipids | 1 | 2019 | 707 | 0.030 |
Why?
| | Sporangia | 1 | 2012 | 2 | 0.020 |
Why?
| | Gastrointestinal Contents | 1 | 2012 | 8 | 0.020 |
Why?
| | Gills | 1 | 2012 | 6 | 0.020 |
Why?
| | Health | 1 | 2013 | 82 | 0.020 |
Why?
| | Louisiana | 1 | 2012 | 31 | 0.020 |
Why?
| | Mutation | 1 | 2003 | 4090 | 0.020 |
Why?
| | New Hampshire | 1 | 2011 | 11 | 0.020 |
Why?
| | Mink | 1 | 2011 | 11 | 0.020 |
Why?
| | Metabolism | 1 | 2011 | 44 | 0.020 |
Why?
| | Rivers | 1 | 2011 | 62 | 0.020 |
Why?
| | Integumentary System | 1 | 2010 | 2 | 0.020 |
Why?
| | Genetic Markers | 1 | 2011 | 338 | 0.020 |
Why?
| | Virus Diseases | 1 | 2012 | 216 | 0.020 |
Why?
| | Canada | 1 | 2011 | 432 | 0.020 |
Why?
| | Proportional Hazards Models | 1 | 2012 | 1330 | 0.020 |
Why?
| | Stress, Physiological | 1 | 2012 | 443 | 0.020 |
Why?
| | Comprehension | 1 | 2011 | 187 | 0.020 |
Why?
| | Nutritive Value | 1 | 2008 | 41 | 0.020 |
Why?
| | Isotope Labeling | 1 | 2008 | 82 | 0.020 |
Why?
| | Food Preferences | 1 | 2008 | 126 | 0.020 |
Why?
| | Disease Outbreaks | 1 | 2010 | 419 | 0.020 |
Why?
| | Molecular Sequence Data | 1 | 2011 | 2883 | 0.020 |
Why?
| | West Indies | 1 | 2005 | 5 | 0.010 |
Why?
| | DNA, Ribosomal Spacer | 1 | 2005 | 7 | 0.010 |
Why?
| | Kenya | 1 | 2005 | 129 | 0.010 |
Why?
| | Prognosis | 1 | 2013 | 4330 | 0.010 |
Why?
| | Polymerase Chain Reaction | 1 | 2005 | 1043 | 0.010 |
Why?
| | Wounds and Injuries | 1 | 2010 | 962 | 0.010 |
Why?
|
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Concepts  Derived automatically from this person's publications. _
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