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biotic and abiotic factors influencing soil health in restored wetlands
biotic and abiotic factors influencing soil health in restored wetlands
This study examines the impacts of soil physiochemical properties, bacterial functional diversity, and fungal mycelium on the survival of oak trees and native vegetation in restored wetlands on former agricultural lands.
Stunted Tree Growth
Stunted Tree Growth
Stunted tree growth, high tree mortality, low herbaceous species diversity, and invasive species plague struggling restoration projects
Soil Sample Collection
Soil Sample Collection
Soil samples were collected adjacent to oak trees to assess soil physiochemical properties and bacterial functional diversity
In-Growth Mesh Bag Burial
In-Growth Mesh Bag Burial
In-growth mesh bags were buried adjacent to oak trees to measure mycorrhizal fungal mycelium
In-Growth Mesh Bag Collection
In-Growth Mesh Bag Collection
In-growth mesh bags were collected during the following growing season to be assessed for fungal hyphae length
impacts of mycorrhizal fungi inoculation on the establishment of quercus in a restored wetland
impacts of mycorrhizal fungi inoculation on the establishment of quercus in a restored wetland
This study examines the impacts of inoculation with mycorrhizal fungi or a soil transfer on the survival and growth of oak saplings planted in a wetland restoration project.
Reference Site
Reference Site
Searching for mycorrhizal oak roots in an on-site mature forested wetland
Mycorrhizal Fungi
Mycorrhizal Fungi
Oak tree roots with mycorrhizal fungi mycelium
Planting Prep
Planting Prep
The wetland restoration site is a former agricultural field that was graded, seeded with native seed, and prepped for planting using an auger to dig holes for three-gallon container trees
Planting
Planting
Inoculated oak saplings were planted alongside other native tree species in a test plot
Survival and Growth
Survival and Growth
During the following growing season, inoculated and uninoculated sapling survival and growth were recorded, and root samples were collected to analyze colonization
Ongoing Results
Ongoing Results
Greater survival and growth were recording in inoculated than uninoculated saplings, indicating that inoculation with mycorrhizal fungi has a positive effect on the establishment of vegetation. Tree survival and growth will be measured again during the second growing season.
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