Ecological Archives E091-035-A7

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 G. Agricultural management effects on predatory mite trophic groups.

Agricultural management effects on predatory mite trophic groups in the fourth year 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

Predatory mites total

1.54

2.02

1.68

3.46

 

 

Arthropod predators

0.34

0.29

0.10

0.48

 

 

General predators

1.10

1.54

1.39

0.53

 

 

Omnivores

0.10

0.19

0.19

2.40

0.015

0.010

Parasites

0.00

0.00

0.00

0.05

ND

ND

Trophic diversity index (1/D)

1.59

1.63

1.38

1.88

 

 


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