Invasive Saltcedar by Bryan Olson. History Introduced into US in 1800s Introduced into US in 1800s Ornamental value Ornamental value Today Tamarix (Saltcedar)

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Presentation transcript:

Invasive Saltcedar by Bryan Olson

History Introduced into US in 1800s Introduced into US in 1800s Ornamental value Ornamental value Today Tamarix (Saltcedar) is widespread Today Tamarix (Saltcedar) is widespread

Distribution

Impacts on Ecosystem Absorb lots of water Absorb lots of water Create saline soil Create saline soil Decrease nutrients in litter bed Decrease nutrients in litter bed Fire resistant Fire resistant

Controlling Saltcedar DozingDozing Hand RemovalHand Removal Periodic FloodsPeriodic Floods Biological ControlBiological Control

Flooding Effects Resotres Cottonwoods and Willows Resotres Cottonwoods and Willows Reduces Salinity in soil Reduces Salinity in soil

Diorhabda Diorhabda Asian leaf eating beetle Asian leaf eating beetle Biological Control Coniatus tamarisci Coniatus tamarisci Weevil native to Eurasia Weevil native to Eurasia

Conclusions Control Fires Control Fires Add weevils Add weevils Flood rivers Flood rivers

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