Table 3 PERMANOVA results. Significance indicated in bold as follows: *p < 0.05; **p < 0.01.

From: The invasive cactus Opuntia stricta creates fertility islands in African savannas and benefits from those created by native trees

Factor

Df

Sum of squares

F

p

Tree cover

2

0.672

2.53

0.004**

Invasion

1

0.371

2.79

0.01*

Invasion × tree cover

2

0.404

1.52

0.0916

Residuals

12

1.595

  
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