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6/06/2017 | 3:15 PM - 3:30 PM | From salamanders to greenhouse gasses: Does upland management affect wetland function? | 301B

From salamanders to greenhouse gasses: Does upland management affect wetland function?

While effects of forest management on watershed hydrology are recognized, little is known about how upland management impacts adjacent wetland hydrology and function. We simulated effects of upland tree basal areas and different upland management approaches on hydrology, biogeochemistry, and habitat functions of adjacent wetlands. Wetland inundation depth and duration were inversely related to upland basal area and associated forest water use. Wetlands were sinks of global warming potential, but this function increased with higher upland basal area, driven by lower methane production in drier wetlands. Amphibian habitat suitability decreased with increasing basal area due to reduced wetland inundation. Simulated 25-year management scenarios highlighted impacts of time-varying forest structure. Prescribed fire generated cyclic patterns in wetland hydrology and function, whereas pine plantations transitioned from wet to dry regimes. This work represents a first step to link upland management, wetland hydrology, and wetland function, highlighting opportunities to optimize forest management for landscape-scale function.

C09 Wetland Ecology
C28 Land-Water Interfaces
C09 Wetland Ecology

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Presenters/Authors

Nate Jones (), University of Alabama, cnjones7@ua.edu;