 Pieter Johnson
Concepts (272)
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 | 56 | 2025 | 58 | 21.820 |
Why?
| | Host-Parasite Interactions | 54 | 2025 | 98 | 14.990 |
Why?
| | Trematode Infections | 32 | 2025 | 34 | 11.020 |
Why?
| | Amphibians | 36 | 2025 | 52 | 10.560 |
Why?
| | Anura | 24 | 2024 | 40 | 8.090 |
Why?
| | Parasites | 18 | 2024 | 39 | 6.870 |
Why?
| | Biodiversity | 24 | 2024 | 373 | 5.800 |
Why?
| | Ecosystem | 32 | 2021 | 563 | 4.490 |
Why?
| | Snails | 17 | 2019 | 34 | 3.810 |
Why?
| | Predatory Behavior | 13 | 2024 | 43 | 2.860 |
Why?
| | Salamandridae | 7 | 2023 | 26 | 2.760 |
Why?
| | Larva | 24 | 2024 | 212 | 2.650 |
Why?
| | Models, Biological | 20 | 2024 | 1689 | 2.580 |
Why?
| | Fish Diseases | 5 | 2024 | 10 | 2.500 |
Why?
| | Ponds | 9 | 2020 | 13 | 2.490 |
Why?
| | Animals | 112 | 2025 | 34487 | 2.470 |
Why?
| | Communicable Diseases | 7 | 2020 | 145 | 1.670 |
Why?
| | Echinostomatidae | 3 | 2023 | 3 | 1.610 |
Why?
| | California | 15 | 2020 | 398 | 1.550 |
Why?
| | Odonata | 4 | 2021 | 5 | 1.490 |
Why?
| | Wetlands | 8 | 2017 | 33 | 1.450 |
Why?
| | Parasitic Diseases, Animal | 3 | 2017 | 5 | 1.420 |
Why?
| | Chytridiomycota | 10 | 2020 | 25 | 1.410 |
Why?
| | Food Chain | 6 | 2024 | 37 | 1.410 |
Why?
| | Echinostoma | 3 | 2018 | 3 | 1.400 |
Why?
| | Mycoses | 8 | 2025 | 70 | 1.380 |
Why?
| | Toxoplasmosis | 2 | 2020 | 36 | 1.280 |
Why?
| | Animal Distribution | 3 | 2020 | 21 | 1.240 |
Why?
| | Ambystoma | 2 | 2025 | 15 | 1.230 |
Why?
| | Ecology | 7 | 2021 | 108 | 1.230 |
Why?
| | Fishes | 7 | 2024 | 93 | 1.200 |
Why?
| | Population Dynamics | 13 | 2018 | 136 | 1.200 |
Why?
| | Ranidae | 6 | 2022 | 13 | 1.150 |
Why?
| | Tetrodotoxin | 2 | 2018 | 38 | 1.150 |
Why?
| | Fresh Water | 8 | 2019 | 54 | 1.130 |
Why?
| | Parasitic Diseases | 2 | 2018 | 8 | 1.110 |
Why?
| | Communicable Diseases, Emerging | 3 | 2020 | 30 | 1.100 |
Why?
| | Ranavirus | 5 | 2022 | 6 | 1.090 |
Why?
| | Conservation of Natural Resources | 6 | 2018 | 105 | 1.070 |
Why?
| | Population Density | 12 | 2018 | 90 | 1.070 |
Why?
| | Life Cycle Stages | 9 | 2021 | 34 | 1.060 |
Why?
| | Host Specificity | 4 | 2022 | 24 | 0.990 |
Why?
| | Coral Reefs | 1 | 2024 | 5 | 0.940 |
Why?
| | Phylogeny | 6 | 2024 | 838 | 0.920 |
Why?
| | Astacoidea | 4 | 2012 | 6 | 0.880 |
Why?
| | Environment | 4 | 2015 | 342 | 0.860 |
Why?
| | Toxoplasma | 2 | 2020 | 38 | 0.840 |
Why?
| | Introduced Species | 3 | 2012 | 36 | 0.840 |
Why?
| | Helminthiasis, Animal | 2 | 2015 | 2 | 0.810 |
Why?
| | Perciformes | 2 | 2015 | 17 | 0.760 |
Why?
| | Linear Models | 3 | 2020 | 816 | 0.750 |
Why?
| | Insecta | 3 | 2017 | 64 | 0.730 |
Why?
| | Leeches | 1 | 2020 | 2 | 0.710 |
Why?
| | Parasitology | 2 | 2020 | 8 | 0.700 |
Why?
| | Animal Diseases | 3 | 2018 | 5 | 0.690 |
Why?
| | Adaptation, Biological | 1 | 2020 | 56 | 0.690 |
Why?
| | Seasons | 6 | 2020 | 498 | 0.680 |
Why?
| | Behavior | 1 | 2020 | 91 | 0.680 |
Why?
| | Corticosterone | 2 | 2018 | 214 | 0.670 |
Why?
| | Host-Pathogen Interactions | 6 | 2025 | 346 | 0.670 |
Why?
| | Biota | 3 | 2019 | 35 | 0.670 |
Why?
| | Virulence | 3 | 2023 | 252 | 0.660 |
Why?
| | Daphnia | 3 | 2009 | 3 | 0.660 |
Why?
| | Nematoda | 1 | 2019 | 5 | 0.650 |
Why?
| | DNA Virus Infections | 1 | 2018 | 3 | 0.630 |
Why?
| | Echinostomiasis | 1 | 2018 | 1 | 0.630 |
Why?
| | Symbiosis | 2 | 2016 | 71 | 0.620 |
Why?
| | Ehrlichiosis | 1 | 2018 | 2 | 0.620 |
Why?
| | Entrepreneurship | 1 | 2018 | 3 | 0.610 |
Why?
| | Pesticides | 2 | 2017 | 58 | 0.600 |
Why?
| | Cercaria | 4 | 2021 | 4 | 0.600 |
Why?
| | Climate Change | 10 | 2018 | 163 | 0.580 |
Why?
| | Lyme Disease | 1 | 2018 | 54 | 0.580 |
Why?
| | Temperature | 4 | 2018 | 628 | 0.580 |
Why?
| | Animals, Wild | 6 | 2024 | 50 | 0.580 |
Why?
| | Bird Diseases | 2 | 2015 | 8 | 0.560 |
Why?
| | Congenital Abnormalities | 3 | 2011 | 73 | 0.550 |
Why?
| | Body Size | 2 | 2015 | 100 | 0.530 |
Why?
| | Ducks | 1 | 2015 | 2 | 0.510 |
Why?
| | Raptors | 1 | 2015 | 2 | 0.510 |
Why?
| | Charadriiformes | 1 | 2015 | 4 | 0.500 |
Why?
| | Cyprinodontiformes | 2 | 2012 | 6 | 0.500 |
Why?
| | Environmental Pollutants | 1 | 2017 | 142 | 0.490 |
Why?
| | Species Specificity | 5 | 2020 | 568 | 0.480 |
Why?
| | Communicable Disease Control | 1 | 2015 | 70 | 0.470 |
Why?
| | Caribbean Region | 2 | 2024 | 24 | 0.460 |
Why?
| | North America | 5 | 2024 | 289 | 0.450 |
Why?
| | Circadian Rhythm | 1 | 2017 | 409 | 0.440 |
Why?
| | Bayes Theorem | 3 | 2020 | 369 | 0.440 |
Why?
| | Biomass | 2 | 2016 | 126 | 0.430 |
Why?
| | Rana pipiens | 2 | 2011 | 17 | 0.420 |
Why?
| | Anti-Infective Agents | 1 | 2016 | 243 | 0.420 |
Why?
| | Phenotype | 2 | 2020 | 3039 | 0.420 |
Why?
| | Biomphalaria | 2 | 2011 | 3 | 0.410 |
Why?
| | Metacercariae | 2 | 2023 | 3 | 0.370 |
Why?
| | Hot Temperature | 1 | 2014 | 359 | 0.370 |
Why?
| | Rana catesbeiana | 1 | 2011 | 12 | 0.360 |
Why?
| | Metamorphosis, Biological | 6 | 2012 | 22 | 0.350 |
Why?
| | Computer Simulation | 1 | 2015 | 936 | 0.350 |
Why?
| | Behavior, Animal | 1 | 2014 | 485 | 0.350 |
Why?
| | Peptides | 1 | 2016 | 910 | 0.340 |
Why?
| | Binomial Distribution | 2 | 2020 | 5 | 0.340 |
Why?
| | Phosphorus | 2 | 2010 | 93 | 0.340 |
Why?
| | Body Temperature Regulation | 1 | 2011 | 95 | 0.340 |
Why?
| | Prevalence | 4 | 2024 | 2541 | 0.330 |
Why?
| | Nitrogen | 2 | 2010 | 165 | 0.320 |
Why?
| | Schistosomiasis mansoni | 1 | 2009 | 19 | 0.310 |
Why?
| | Birds | 3 | 2020 | 74 | 0.310 |
Why?
| | Schistosoma mansoni | 1 | 2009 | 30 | 0.310 |
Why?
| | Climate | 2 | 2020 | 87 | 0.310 |
Why?
| | Disease Susceptibility | 1 | 2010 | 331 | 0.290 |
Why?
| | Limb Deformities, Congenital | 2 | 2005 | 12 | 0.280 |
Why?
| | Lakes | 2 | 2020 | 30 | 0.270 |
Why?
| | Perches | 1 | 2006 | 1 | 0.270 |
Why?
| | DNA, Helminth | 3 | 2024 | 17 | 0.270 |
Why?
| | Helminths | 2 | 2016 | 7 | 0.260 |
Why?
| | Random Allocation | 3 | 2015 | 342 | 0.260 |
Why?
| | Gastropoda | 2 | 2020 | 5 | 0.250 |
Why?
| | Parasite Load | 2 | 2018 | 8 | 0.250 |
Why?
| | RNA, Ribosomal, 28S | 1 | 2024 | 6 | 0.230 |
Why?
| | DNA, Ribosomal | 1 | 2024 | 82 | 0.220 |
Why?
| | Endangered Species | 3 | 2016 | 13 | 0.210 |
Why?
| | Plants | 2 | 2016 | 214 | 0.210 |
Why?
| | Colorado | 5 | 2025 | 4369 | 0.210 |
Why?
| | Survival Analysis | 3 | 2012 | 1262 | 0.210 |
Why?
| | Wisconsin | 3 | 2011 | 99 | 0.210 |
Why?
| | Genetic Variation | 2 | 2020 | 933 | 0.210 |
Why?
| | Genomics | 2 | 2025 | 714 | 0.200 |
Why?
| | Electron Transport Complex IV | 2 | 2020 | 57 | 0.200 |
Why?
| | Likelihood Functions | 2 | 2020 | 135 | 0.190 |
Why?
| | Coinfection | 2 | 2013 | 131 | 0.180 |
Why?
| | Disease Resistance | 2 | 2019 | 31 | 0.180 |
Why?
| | Snakes | 1 | 2020 | 20 | 0.180 |
Why?
| | Life History Traits | 1 | 2021 | 13 | 0.180 |
Why?
| | Phytoplankton | 1 | 2020 | 6 | 0.180 |
Why?
| | Poisson Distribution | 1 | 2020 | 73 | 0.170 |
Why?
| | Disease Reservoirs | 1 | 2020 | 19 | 0.170 |
Why?
| | Phylogeography | 1 | 2020 | 49 | 0.170 |
Why?
| | Gene Flow | 1 | 2020 | 76 | 0.160 |
Why?
| | Time Factors | 4 | 2015 | 6479 | 0.160 |
Why?
| | Forelimb | 2 | 2011 | 28 | 0.160 |
Why?
| | Geography | 3 | 2018 | 186 | 0.160 |
Why?
| | DNA, Mitochondrial | 1 | 2020 | 188 | 0.160 |
Why?
| | Arachnid Vectors | 1 | 2018 | 3 | 0.160 |
Why?
| | Biological Evolution | 2 | 2020 | 425 | 0.150 |
Why?
| | Georgia | 1 | 2018 | 78 | 0.150 |
Why?
| | Ticks | 1 | 2018 | 19 | 0.150 |
Why?
| | Deer | 1 | 2018 | 30 | 0.150 |
Why?
| | Hindlimb | 2 | 2011 | 125 | 0.150 |
Why?
| | Antibodies, Protozoan | 1 | 2018 | 32 | 0.150 |
Why?
| | Analysis of Variance | 2 | 2011 | 1266 | 0.150 |
Why?
| | Forests | 1 | 2018 | 57 | 0.150 |
Why?
| | Public Health Practice | 1 | 2018 | 64 | 0.150 |
Why?
| | Seroepidemiologic Studies | 1 | 2018 | 155 | 0.150 |
Why?
| | Humans | 15 | 2021 | 128020 | 0.140 |
Why?
| | Nonlinear Dynamics | 1 | 2018 | 88 | 0.140 |
Why?
| | Spatial Analysis | 1 | 2016 | 21 | 0.130 |
Why?
| | Rana clamitans | 1 | 2016 | 1 | 0.130 |
Why?
| | Nitrogen Cycle | 1 | 2016 | 10 | 0.130 |
Why?
| | Male | 6 | 2018 | 62758 | 0.130 |
Why?
| | Feces | 1 | 2019 | 435 | 0.130 |
Why?
| | Bays | 1 | 2015 | 6 | 0.130 |
Why?
| | Extremities | 2 | 2010 | 128 | 0.130 |
Why?
| | Health Status Disparities | 1 | 2018 | 254 | 0.120 |
Why?
| | Meta-Analysis as Topic | 1 | 2016 | 169 | 0.120 |
Why?
| | Lethal Dose 50 | 1 | 2015 | 15 | 0.120 |
Why?
| | Fungi | 1 | 2016 | 136 | 0.120 |
Why?
| | Dimethyl Sulfoxide | 1 | 2015 | 41 | 0.120 |
Why?
| | Solvents | 1 | 2015 | 107 | 0.120 |
Why?
| | Poverty | 1 | 2018 | 497 | 0.120 |
Why?
| | Acclimatization | 1 | 2016 | 160 | 0.110 |
Why?
| | Single-Blind Method | 1 | 2015 | 267 | 0.110 |
Why?
| | Aminobenzoates | 1 | 2014 | 7 | 0.110 |
Why?
| | Genetics, Population | 1 | 2015 | 200 | 0.110 |
Why?
| | Immunoglobulin G | 1 | 2018 | 842 | 0.110 |
Why?
| | Female | 5 | 2018 | 68017 | 0.110 |
Why?
| | Risk Assessment | 2 | 2016 | 3223 | 0.110 |
Why?
| | Fluorescent Dyes | 1 | 2015 | 312 | 0.100 |
Why?
| | Cattle | 1 | 2016 | 962 | 0.100 |
Why?
| | Extinction, Biological | 4 | 2016 | 32 | 0.100 |
Why?
| | Algorithms | 2 | 2018 | 1609 | 0.100 |
Why?
| | Immunity | 1 | 2013 | 132 | 0.100 |
Why?
| | Research | 1 | 2015 | 408 | 0.100 |
Why?
| | Light | 1 | 2015 | 353 | 0.100 |
Why?
| | Incidence | 1 | 2018 | 2614 | 0.090 |
Why?
| | Genetic Fitness | 1 | 2012 | 54 | 0.090 |
Why?
| | Competitive Behavior | 1 | 2011 | 41 | 0.090 |
Why?
| | Achlya | 1 | 2011 | 1 | 0.090 |
Why?
| | Risk Factors | 4 | 2018 | 9696 | 0.090 |
Why?
| | Trees | 1 | 2011 | 68 | 0.090 |
Why?
| | Urban Renewal | 1 | 2011 | 4 | 0.090 |
Why?
| | Metagenome | 1 | 2012 | 137 | 0.090 |
Why?
| | Reproduction | 1 | 2013 | 198 | 0.090 |
Why?
| | Escape Reaction | 1 | 2011 | 61 | 0.090 |
Why?
| | Agriculture | 1 | 2011 | 92 | 0.090 |
Why?
| | Immune Tolerance | 1 | 2013 | 347 | 0.090 |
Why?
| | Saprolegnia | 1 | 2010 | 1 | 0.090 |
Why?
| | Oregon | 1 | 2010 | 69 | 0.090 |
Why?
| | Population | 1 | 2010 | 33 | 0.090 |
Why?
| | Zooplankton | 2 | 2008 | 2 | 0.090 |
Why?
| | Smegmamorpha | 1 | 2010 | 2 | 0.080 |
Why?
| | Microbiota | 1 | 2018 | 719 | 0.080 |
Why?
| | Fertilizers | 1 | 2010 | 25 | 0.080 |
Why?
| | Bufonidae | 1 | 2010 | 7 | 0.080 |
Why?
| | Environmental Monitoring | 1 | 2012 | 314 | 0.080 |
Why?
| | Models, Statistical | 1 | 2013 | 621 | 0.080 |
Why?
| | Zoonoses | 1 | 2010 | 27 | 0.080 |
Why?
| | Feeding Behavior | 1 | 2015 | 618 | 0.080 |
Why?
| | Lymnaea | 1 | 2009 | 1 | 0.080 |
Why?
| | Forecasting | 1 | 2011 | 355 | 0.080 |
Why?
| | Chlorophyll | 1 | 2008 | 14 | 0.080 |
Why?
| | Cadmium | 1 | 2009 | 67 | 0.080 |
Why?
| | Disease Vectors | 1 | 2008 | 12 | 0.080 |
Why?
| | Brain | 1 | 2020 | 2615 | 0.080 |
Why?
| | Eukaryota | 1 | 2008 | 53 | 0.070 |
Why?
| | Animal Feed | 1 | 2007 | 50 | 0.070 |
Why?
| | Body Weight | 1 | 2012 | 930 | 0.070 |
Why?
| | Risk | 1 | 2010 | 850 | 0.070 |
Why?
| | Cannibalism | 1 | 2006 | 3 | 0.070 |
Why?
| | Motor Activity | 1 | 2011 | 667 | 0.070 |
Why?
| | Color | 1 | 2006 | 71 | 0.060 |
Why?
| | Regression Analysis | 1 | 2009 | 978 | 0.060 |
Why?
| | Databases, Factual | 1 | 2011 | 1264 | 0.060 |
Why?
| | Logistic Models | 1 | 2011 | 1975 | 0.060 |
Why?
| | Culture Media | 1 | 2005 | 164 | 0.060 |
Why?
| | Water | 1 | 2007 | 439 | 0.060 |
Why?
| | Microscopy | 1 | 2005 | 140 | 0.050 |
Why?
| | Hydrogen-Ion Concentration | 1 | 2005 | 541 | 0.050 |
Why?
| | Water Pollutants | 1 | 2003 | 20 | 0.050 |
Why?
| | United States | 2 | 2018 | 13785 | 0.050 |
Why?
| | Rats | 1 | 2011 | 5199 | 0.050 |
Why?
| | Fatty Acids | 2 | 2019 | 415 | 0.050 |
Why?
| | Brazil | 1 | 2021 | 154 | 0.040 |
Why?
| | Vertebrates | 1 | 2021 | 57 | 0.040 |
Why?
| | Adaptation, Physiological | 1 | 2024 | 513 | 0.040 |
Why?
| | Fatty Acids, Essential | 1 | 2019 | 3 | 0.040 |
Why?
| | Ultraviolet Rays | 1 | 2003 | 378 | 0.040 |
Why?
| | Sequence Analysis, DNA | 1 | 2020 | 771 | 0.030 |
Why?
| | Middle Aged | 1 | 2018 | 30813 | 0.030 |
Why?
| | Lipids | 1 | 2019 | 619 | 0.030 |
Why?
| | Adult | 1 | 2018 | 35177 | 0.030 |
Why?
| | Europe | 1 | 2016 | 359 | 0.030 |
Why?
| | Models, Theoretical | 1 | 2018 | 541 | 0.030 |
Why?
| | Sporangia | 1 | 2012 | 2 | 0.030 |
Why?
| | Gills | 1 | 2012 | 3 | 0.030 |
Why?
| | Gastrointestinal Contents | 1 | 2012 | 7 | 0.030 |
Why?
| | Health | 1 | 2013 | 73 | 0.030 |
Why?
| | Louisiana | 1 | 2012 | 27 | 0.030 |
Why?
| | Mutation | 1 | 2003 | 3682 | 0.020 |
Why?
| | New Hampshire | 1 | 2011 | 4 | 0.020 |
Why?
| | Mink | 1 | 2011 | 12 | 0.020 |
Why?
| | Metabolism | 1 | 2011 | 38 | 0.020 |
Why?
| | Rivers | 1 | 2011 | 66 | 0.020 |
Why?
| | Integumentary System | 1 | 2010 | 2 | 0.020 |
Why?
| | Genetic Markers | 1 | 2011 | 338 | 0.020 |
Why?
| | Canada | 1 | 2011 | 344 | 0.020 |
Why?
| | Virus Diseases | 1 | 2012 | 209 | 0.020 |
Why?
| | Proportional Hazards Models | 1 | 2012 | 1194 | 0.020 |
Why?
| | Comprehension | 1 | 2011 | 165 | 0.020 |
Why?
| | Stress, Physiological | 1 | 2012 | 411 | 0.020 |
Why?
| | Nutritive Value | 1 | 2008 | 36 | 0.020 |
Why?
| | Isotope Labeling | 1 | 2008 | 73 | 0.020 |
Why?
| | Food Preferences | 1 | 2008 | 112 | 0.020 |
Why?
| | Disease Outbreaks | 1 | 2010 | 339 | 0.020 |
Why?
| | Molecular Sequence Data | 1 | 2011 | 2820 | 0.020 |
Why?
| | West Indies | 1 | 2005 | 4 | 0.020 |
Why?
| | DNA, Ribosomal Spacer | 1 | 2005 | 6 | 0.020 |
Why?
| | Kenya | 1 | 2005 | 107 | 0.020 |
Why?
| | Prognosis | 1 | 2013 | 3766 | 0.010 |
Why?
| | Sequence Alignment | 1 | 2005 | 329 | 0.010 |
Why?
| | Wounds and Injuries | 1 | 2010 | 705 | 0.010 |
Why?
| | Polymerase Chain Reaction | 1 | 2005 | 1020 | 0.010 |
Why?
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