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Table 6 Statistical significance of variation in M. chilensis condition index

From: Spatial distribution pattern of Mytilus chilensis beds in the Reloncaví fjord: hypothesis on associated processes

Effect

DF numerator

DF denominator

F value

Pr(>|F|)

 (Intercept)

1

1,575

17505.64

<.0001

 Stratum

1

1,575

158.91

<.0001

 Zone

2

1,575

317.15

<.0001

a posteriori Tukey test

Hypothesis

Estimated

Standard error

z value

Pr(>|z|)

 Boca = Marimelli

−0.42

0.030

−13.98

<.0001

 Boca = Puelo

−0.76

0.030

−25.16

<.0001

 Marimelli = Puelo

−0.34

0.030

−11.40

<.0001

 Covered = clean

−0.29

0.025

−11.94

<.0002

  1. In four sampling zones and two strata (intertidal and subtidal), where covered and clean mussels were collected, where sample date is the random variable. Variance analysis and an a posteriori Tukey test are presented. DF is degrees of freedom.
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Revista Chilena de Historia Natural

ISSN: 0717-6317

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