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Table 2 Repeated-measures ANOVA testing interactive effects of grazing intensity, pasture and year for NEE, RE, GEP

From: Influence of grazing and precipitation on ecosystem carbon cycling in a mixed-grass prairie

Effect

Number

Density

NEE

GEP

RE

 

DF

DF

F

P

F

P

F

P

Intensity (I)

2

44

3.85

0.03

1.81

0.18

4.46

0.02

Pasture (P)

1

44

12.58

< 0.01

4.02

0.05

0.01

0.93

I × P

2

44

6.72

< 0.01

10.66

< 0.01

5.53

< 0.01

Year (Y)

1

44

117.32

< 0.01

410.80

< 0.01

346.68

< 0.01

Y × I

2

44

3.56

0.04

6.32

< 0.01

4.19

0.02

Y × P

1

44

0.38

0.54

6.50

0.01

15.10

< 0.01

Y × I × P

2

44

7.61

< 0.01

7.10

< 0.01

2.38

0.11

  1. NEE, net ecosystem exchange; RE, ecosystem respiration; GEP, gross ecosystem production.