Ecological Archives E091-035-A9

Maria B. Postma-Blaauw, Ron G. M. de Goede, Jaap Bloem, Jack H. Faber, and Lijbert Brussaard. 2010. Soil biota community structure and abundance under agricultural intensification and extensification. Ecology 91:460–473.

Appendix I. Agricultural management effects on predatory mite life strategy groups.

Agricultural management effects on the predatory mite life strategy groups in the fourth year after conversion after conversion (2003). Means (n = 3) and P-levels of significance (P < 0.10) as a result of ANOVA are presented. Abbreviations as in Appendix A and Appendix B.

 

LongA

NewA

P-levels

Mon

Rot

Mon

Rot

Predatory mites (n m-2 103)

RF

RF

RF

RF

Hist

Crop

Parasites

0.00

0.00

0.00

0.00

ND

ND

Facultative phoresy

0.48

0.48

0.24

0.24

 

 

Obligate phoresy as juveniles

0.05

0.00

0.14

0.05

 

 

Obligate phoresy as adults

0.24

0.10

0.29

0.24

 

 

Obligate diapause

0.10

0.19

0.19

2.40

0.015

0.010

Facultative diapause and anemochory

0.00

0.05

0.00

0.00

ND

ND

No phoresy or synchronization tactics

0.67

1.20

0.82

0.53

 

 

Life strategy group diversity index (1/D)

2.37

2.36

2.36

1.95

 

 


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