termite mounds can prevent desertification
DESCRIPTION
Termite mounds can prevent desertification. Corina E. Tarnita. Desertification due to: overgrazing; climate change. Decreasing rainfall. Sudden switch to desert; hard to recover. Increasing rainfall. Vegetation biomass (g m -2 ). Rainfall (mm day -1 ). - PowerPoint PPT PresentationTRANSCRIPT
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TERMITE MOUNDS CAN PREVENT DESERTIFICATION Corina E. Tarnita
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Desertification due to: overgrazing; climate change
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Sudden switch to desert; hard to recover
Decreasing rainfall
Increasing rainfall
Rainfall (mm day-1)
Vege
tatio
n bi
omas
s (g
m-2)
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Termite mounds are islands of fertile vegetation
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In Laikipia: black cotton soil termites
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Termites:
Improve nutrients on mounds
Allow water to infiltrate better
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Decreasing rainfall
Increasing rainfall
Vege
tatio
n bi
omas
s (g
m-2)
Rainfall (mm day-1)
No mounds
With mounds
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Thank you!