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Table 10 General linear model Sqrt(% algal wrack)

From: Temporal and spatial variation in bird and human use of beaches in southern California

Independent variable

Effect

df

 SS

F Ratio

 P

Month

 

11

77.8

3.12

0.0005

Year

 

3

90.2

13.3

<.0001

Grooming

 

1

32.6

3.6

0.007

Tide

0.20

1

16.6

7.3

0.007

Tide*Month

 

11

42.9

1.7

.0672

  1. R-square = 0.29, F30,389 = 5.0, P <.0001.