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Table 3 Comparison of nematode chemotaxis and growth 72 h post-exposure to Third Fork Creek water samples collected in February and March 2020

From: Growth and chemotaxis of nematodes reduced upon exposure to Third Fork Creek surface water

Date

Behavior parameters

Tukey’s multiple comparison’s test

Mean difference

p value

17-February-2020

Chemotaxis

Day 3-control vs. sterile water

48.33

0.2025

Day 3-control vs. Third Fork Creek (TFC)

− 148.0

0.0023

Day 3-sterile water vs. TFC

− 196.3

0.0005

17-February-2020

Growth

Day 3-control vs. Sterile Water

147.0

0.0060

Day 3-control vs. Third Fork Creek (TFC)

− 182.0

0.0004

 

Day 3-sterile water vs. TFC

− 329.0

 < 0.0001

24-February-2020

Chemotaxis

Day 3-control vs. sterile water

− 188.3

0.0074

Day 3-control vs. Third Fork Creek (TFC)

76.0

0.2116

 

Day 3-sterile water vs. TFC

264.3

0.0013

24-February-2020

Growth

Day 3-control vs. sterile water

− 190.0

0.0060

Day 3-control vs. Third Fork Creek (TFC)

77.67

0.1852

 

Day 3-sterile water vs. TFC

267.7

0.0010

 

Chemotaxis

Day 3-control vs. sterile water

− 141.0

0.0086

2- March-2020

Day 3-control vs. Third Fork Creek (TFC)

75.33

0.1065

 

Day 3-sterile water vs. TFC

216.3

0.0010

2-March-2020

Growth

Day 3-control vs. sterile water

− 137.7

0.0207

Day 3-control vs. Third Fork Creek (TFC)

77.33

0.1614

Day 3-sterile water vs. TFC

215.0

0.0024

9-March-2020

Chemotaxis

Day 3-control vs. sterile water

− 140.3

0.0002

Day 3-control vs. Third Fork Creek (TFC)

69.33

0.0089

Day 3-sterile water vs. TFC

209.0

 < 0.0001

9-March-2020

Growth

Day 3-control vs. Sterile Water

− 133.0

0.0009

Day 3-control vs. Third Fork Creek (TFC)

79.33

0.0125

Day 3-sterile water vs. TFC

212.0

 < 0.0001