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Pieter Johnson

Concepts (272)

Concepts are derived automatically from a person's publications.

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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
21.920
 Why?
Host-Parasite Interactions
54
2025
98
15.060
 Why?
Trematode Infections
32
2025
34
11.070
 Why?
Amphibians
36
2025
52
10.610
 Why?
Anura
24
2024
40
8.130
 Why?
Parasites
18
2024
39
6.900
 Why?
Biodiversity
24
2024
373
5.820
 Why?
Ecosystem
32
2021
562
4.500
 Why?
Snails
17
2019
34
3.830
 Why?
Predatory Behavior
13
2024
43
2.880
 Why?
Salamandridae
7
2023
26
2.770
 Why?
Larva
24
2024
211
2.660
 Why?
Models, Biological
20
2024
1695
2.590
 Why?
Fish Diseases
5
2024
10
2.510
 Why?
Ponds
9
2020
13
2.510
 Why?
Animals
112
2025
34600
2.470
 Why?
Communicable Diseases
7
2020
144
1.680
 Why?
Echinostomatidae
3
2023
3
1.620
 Why?
California
15
2020
400
1.550
 Why?
Odonata
4
2021
5
1.490
 Why?
Wetlands
8
2017
33
1.460
 Why?
Parasitic Diseases, Animal
3
2017
5
1.430
 Why?
Chytridiomycota
10
2020
25
1.420
 Why?
Food Chain
6
2024
37
1.420
 Why?
Echinostoma
3
2018
3
1.410
 Why?
Mycoses
8
2025
70
1.390
 Why?
Toxoplasmosis
2
2020
37
1.290
 Why?
Animal Distribution
3
2020
21
1.250
 Why?
Ambystoma
2
2025
15
1.230
 Why?
Ecology
7
2021
108
1.230
 Why?
Fishes
7
2024
93
1.210
 Why?
Population Dynamics
13
2018
136
1.200
 Why?
Ranidae
6
2022
13
1.160
 Why?
Tetrodotoxin
2
2018
38
1.160
 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
1.100
 Why?
Conservation of Natural Resources
6
2018
105
1.080
 Why?
Population Density
12
2018
91
1.070
 Why?
Life Cycle Stages
9
2021
34
1.070
 Why?
Host Specificity
4
2022
24
1.000
 Why?
Coral Reefs
1
2024
5
0.950
 Why?
Phylogeny
6
2024
846
0.920
 Why?
Astacoidea
4
2012
6
0.890
 Why?
Environment
4
2015
347
0.860
 Why?
Toxoplasma
2
2020
39
0.840
 Why?
Introduced Species
3
2012
36
0.840
 Why?
Helminthiasis, Animal
2
2015
2
0.820
 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
3
0.710
 Why?
Parasitology
2
2020
8
0.700
 Why?
Animal Diseases
3
2018
5
0.700
 Why?
Adaptation, Biological
1
2020
56
0.700
 Why?
Seasons
6
2020
498
0.690
 Why?
Behavior
1
2020
91
0.680
 Why?
Corticosterone
2
2018
214
0.680
 Why?
Host-Pathogen Interactions
6
2025
348
0.670
 Why?
Biota
3
2019
36
0.670
 Why?
Daphnia
3
2009
3
0.660
 Why?
Virulence
3
2023
254
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
0.630
 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
50
0.580
 Why?
Animals, Wild
6
2024
50
0.580
 Why?
Temperature
4
2018
626
0.580
 Why?
Bird Diseases
2
2015
8
0.560
 Why?
Congenital Abnormalities
3
2011
75
0.550
 Why?
Body Size
2
2015
101
0.540
 Why?
Ducks
1
2015
2
0.510
 Why?
Raptors
1
2015
2
0.510
 Why?
Charadriiformes
1
2015
4
0.510
 Why?
Cyprinodontiformes
2
2012
6
0.500
 Why?
Environmental Pollutants
1
2017
142
0.490
 Why?
Species Specificity
5
2020
570
0.480
 Why?
Communicable Disease Control
1
2015
70
0.480
 Why?
Caribbean Region
2
2024
23
0.470
 Why?
North America
5
2024
289
0.450
 Why?
Circadian Rhythm
1
2017
409
0.450
 Why?
Bayes Theorem
3
2020
372
0.440
 Why?
Biomass
2
2016
127
0.430
 Why?
Rana pipiens
2
2011
17
0.430
 Why?
Anti-Infective Agents
1
2016
225
0.420
 Why?
Phenotype
2
2020
3058
0.420
 Why?
Biomphalaria
2
2011
3
0.410
 Why?
Metacercariae
2
2023
3
0.370
 Why?
Hot Temperature
1
2014
364
0.370
 Why?
Rana catesbeiana
1
2011
12
0.370
 Why?
Metamorphosis, Biological
6
2012
22
0.360
 Why?
Computer Simulation
1
2015
941
0.350
 Why?
Behavior, Animal
1
2014
490
0.350
 Why?
Peptides
1
2016
911
0.350
 Why?
Binomial Distribution
2
2020
5
0.340
 Why?
Phosphorus
2
2010
93
0.340
 Why?
Body Temperature Regulation
1
2011
99
0.340
 Why?
Prevalence
4
2024
2564
0.330
 Why?
Nitrogen
2
2010
165
0.320
 Why?
Schistosomiasis mansoni
1
2009
19
0.320
 Why?
Birds
3
2020
74
0.320
 Why?
Schistosoma mansoni
1
2009
30
0.310
 Why?
Climate
2
2020
87
0.310
 Why?
Disease Susceptibility
1
2010
335
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
346
0.260
 Why?
Gastropoda
2
2020
5
0.260
 Why?
Parasite Load
2
2018
8
0.250
 Why?
RNA, Ribosomal, 28S
1
2024
6
0.230
 Why?
DNA, Ribosomal
1
2024
82
0.230
 Why?
Endangered Species
3
2016
13
0.220
 Why?
Plants
2
2016
214
0.210
 Why?
Colorado
5
2025
4394
0.210
 Why?
Survival Analysis
3
2012
1265
0.210
 Why?
Wisconsin
3
2011
101
0.210
 Why?
Genetic Variation
2
2020
934
0.210
 Why?
Genomics
2
2025
716
0.200
 Why?
Electron Transport Complex IV
2
2020
57
0.200
 Why?
Likelihood Functions
2
2020
136
0.190
 Why?
Coinfection
2
2013
133
0.190
 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
76
0.170
 Why?
Disease Reservoirs
1
2020
19
0.170
 Why?
Phylogeography
1
2020
49
0.170
 Why?
Gene Flow
1
2020
76
0.170
 Why?
Time Factors
4
2015
6518
0.160
 Why?
Forelimb
2
2011
28
0.160
 Why?
Geography
3
2018
186
0.160
 Why?
DNA, Mitochondrial
1
2020
192
0.160
 Why?
Arachnid Vectors
1
2018
2
0.160
 Why?
Georgia
1
2018
79
0.150
 Why?
Biological Evolution
2
2020
426
0.150
 Why?
Ticks
1
2018
17
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?
Forests
1
2018
57
0.150
 Why?
Analysis of Variance
2
2011
1271
0.150
 Why?
Public Health Practice
1
2018
64
0.150
 Why?
Seroepidemiologic Studies
1
2018
156
0.150
 Why?
Humans
15
2021
129116
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
63194
0.130
 Why?
Feces
1
2019
437
0.130
 Why?
Bays
1
2015
6
0.130
 Why?
Extremities
2
2010
128
0.130
 Why?
Health Status Disparities
1
2018
256
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
139
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
269
0.110
 Why?
Aminobenzoates
1
2014
7
0.110
 Why?
Genetics, Population
1
2015
200
0.110
 Why?
Immunoglobulin G
1
2018
846
0.110
 Why?
Female
5
2018
68510
0.110
 Why?
Risk Assessment
2
2016
3260
0.110
 Why?
Fluorescent Dyes
1
2015
313
0.110
 Why?
Cattle
1
2016
962
0.110
 Why?
Extinction, Biological
4
2016
32
0.100
 Why?
Algorithms
2
2018
1621
0.100
 Why?
Immunity
1
2013
132
0.100
 Why?
Research
1
2015
410
0.100
 Why?
Light
1
2015
355
0.100
 Why?
Incidence
1
2018
2635
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?
Trees
1
2011
68
0.090
 Why?
Urban Renewal
1
2011
4
0.090
 Why?
Metagenome
1
2012
137
0.090
 Why?
Risk Factors
4
2018
9767
0.090
 Why?
Reproduction
1
2013
201
0.090
 Why?
Escape Reaction
1
2011
61
0.090
 Why?
Agriculture
1
2011
92
0.090
 Why?
Immune Tolerance
1
2013
349
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
0.090
 Why?
Microbiota
1
2018
720
0.080
 Why?
Fertilizers
1
2010
25
0.080
 Why?
Bufonidae
1
2010
7
0.080
 Why?
Environmental Monitoring
1
2012
322
0.080
 Why?
Zoonoses
1
2010
27
0.080
 Why?
Models, Statistical
1
2013
626
0.080
 Why?
Feeding Behavior
1
2015
618
0.080
 Why?
Lymnaea
1
2009
1
0.080
 Why?
Forecasting
1
2011
358
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
2628
0.080
 Why?
Eukaryota
1
2008
53
0.070
 Why?
Animal Feed
1
2007
52
0.070
 Why?
Body Weight
1
2012
932
0.070
 Why?
Risk
1
2010
856
0.070
 Why?
Cannibalism
1
2006
3
0.070
 Why?
Motor Activity
1
2011
669
0.070
 Why?
Color
1
2006
74
0.060
 Why?
Regression Analysis
1
2009
984
0.060
 Why?
Logistic Models
1
2011
1979
0.060
 Why?
Databases, Factual
1
2011
1279
0.060
 Why?
Culture Media
1
2005
167
0.060
 Why?
Water
1
2007
444
0.060
 Why?
Microscopy
1
2005
140
0.050
 Why?
Hydrogen-Ion Concentration
1
2005
538
0.050
 Why?
Water Pollutants
1
2003
20
0.050
 Why?
Rats
1
2011
5173
0.050
 Why?
United States
2
2018
13938
0.050
 Why?
Fatty Acids
2
2019
415
0.050
 Why?
Brazil
1
2021
154
0.040
 Why?
Vertebrates
1
2021
58
0.040
 Why?
Adaptation, Physiological
1
2024
515
0.040
 Why?
Fatty Acids, Essential
1
2019
3
0.040
 Why?
Ultraviolet Rays
1
2003
384
0.040
 Why?
Sequence Analysis, DNA
1
2020
773
0.030
 Why?
Middle Aged
1
2018
31074
0.030
 Why?
Lipids
1
2019
624
0.030
 Why?
Adult
1
2018
35510
0.030
 Why?
Europe
1
2016
362
0.030
 Why?
Models, Theoretical
1
2018
546
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
74
0.030
 Why?
Louisiana
1
2012
28
0.030
 Why?
Mutation
1
2003
3700
0.020
 Why?
New Hampshire
1
2011
4
0.020
 Why?
Mink
1
2011
12
0.020
 Why?
Metabolism
1
2011
39
0.020
 Why?
Rivers
1
2011
66
0.020
 Why?
Integumentary System
1
2010
2
0.020
 Why?
Genetic Markers
1
2011
339
0.020
 Why?
Canada
1
2011
348
0.020
 Why?
Virus Diseases
1
2012
209
0.020
 Why?
Proportional Hazards Models
1
2012
1210
0.020
 Why?
Comprehension
1
2011
167
0.020
 Why?
Stress, Physiological
1
2012
412
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
343
0.020
 Why?
Molecular Sequence Data
1
2011
2819
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
3788
0.010
 Why?
Sequence Alignment
1
2005
330
0.010
 Why?
Wounds and Injuries
1
2010
719
0.010
 Why?
Polymerase Chain Reaction
1
2005
1021
0.010
 Why?
Johnson's Networks
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