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by Megan Wolz. Presented at the 2012 MN Statewide High Tunnel Conference.
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Thinking Outside the Crop: Influence of Surrounding Landscapes on Ecosystem
Services in Crop Fields
Megan Woltz
Surrounding landscapes also provide resources
Megan Woltz
Surrounding landscapes provide resources
4
Habitat diversity and more non-crop area support more NEs
Increased NE abundance
Increased # of NE species
Increased predation/ parasitism of crop pests
Increased NE abundance
Increased # of NE species
Increased predation/ parasitism of crop pests
Increased NE abundance
Increased # of NE species
Increased predation/ parasitism of crop pests
Increased NE abundance
Increased # of NE species
Increased predation/ parasitism of crop pests
So
urc
e:
Me
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(20
11)
PN
AS
Landscape simplification leads to increased insecticide use
• Non-crop habitat– Wooded habitats (forest, woodlots)– Grasslands (old fields, prairies, CRP)
Types of Habitats Supporting NEs
NativeConnections
White Oak Nursery
Megan Woltz
Megan Woltz
• Linear habitats– Fencerows– Roadside vegetation
Types of Habitats Supporting NEs
Megan Woltz Megan Woltz
• forage crops• pasture
Types of Habitats Supporting NEs
Biogis.eu
Scales at which landscape effects act
Scales at which landscape effects act
Scales at which landscape effects act
What would you do?