Wet Floodplain Woodland
Scenario model
Current ecosystem state
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Management practices/drivers
Select a transition or restoration pathway
- Transition T1A More details
- Transition T1B More details
- Transition T1C More details
- Restoration pathway R2A More details
- Restoration pathway T3A More details
- Transition T3B More details
- Restoration pathway T4C More details
- Restoration pathway T4A More details
- Transition T4B More details
- Restoration pathway T5B More details
- Restoration pathway T5A More details
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No transition or restoration pathway between the selected states has been described
Target ecosystem state
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Description
The historical reference state for this ecological site was old growth bottomland woodland. Natural flooding cycles were the primary processes affecting this ecologic site. Maximum tree age was likely 150 to 200 years. The understory was complex, with multiple layers of shade-tolerant species. A highly diverse ground flora was also present. Vines were common and went well into the canopy. Scattered open areas were common. A change to more frequent, higher-intensity floods on the modern landscape creates more frequent canopy gaps, and introduces or helps to maintain more flood-tolerant species such as sycamore, eastern cottonwood, green ash and hackberry.
Over the long term, these floodplains may become more elevated and/or isolated and accumulate more fine sediments, becoming more stable and enduring. Oaks and shellbark hickory begin to accumulate in these later stages of succession. Catastrophic floods will often partially or completely knock down the early species and regenerate this site creating a mosaic of early to late successional floodplain woodlands.
Submodel
Description
Where this state remains, it has often been subjected to very selective timber harvests. While these woodland areas may resemble the reference state, the diversity of tree species has been selectively (removal of many oaks) altered. Reducing harvests and extending rotations will cause a transition to community phase 2.2. Eliminating harvests, implementing selective thinning, and allowing long tern succession may allow a return to the reference state where hydrologic regimes are least altered.
Submodel
Description
Many acres of this ecological site have been converted to non-native grasslands of tall fescue and red clover. This state frequently transitions to a cropland state especially when commodity prices are high. A return to a near-reference state from this state is not recommended. Transitioning to a Managed Woodland state is possible through long-term commitments of time and money.
Submodel
Description
This state is subjected to uncontrolled grazing and high-graded timber harvests. The grazing will open up the understory and remove much of the diverse ground flora. This can lead to erosion of the topsoil during floods. Grazed units also often undergo timber harvest removing a wide variety of outstanding hardwood trees, further diminishing the structural and compositional diversity. A return to the near-reference state will require a long-term commitment including the elimination of grazing, planting of trees and perhaps shrub and herbaceous species, and very limited targeted timber harvests and thinning.
Submodel
Description
Many areas of this ecological site have been converted to row crop agriculture. They can transition to a grassland state. A return to the near-reference state is not practical from this state. Transitioning to a Managed Woodland state may be possible through long-term commitments of time and money.
Submodel
Mechanism
Poorly planned harvest (high grading); uncontrolled grazing; no fire
Mechanism
Forest stand improvement; long term succession (+30 years); prescribed fire
Mechanism
Tree planting; long-term succession (+30-50 years); forest stand improvement; access control
Mechanism
Tree planting; long-term succession (+30-50 years); forest stand improvement; access control
Model keys
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The Ecosystem Dynamics Interpretive Tool is an information system framework developed by the USDA-ARS Jornada Experimental Range, USDA Natural Resources Conservation Service, and New Mexico State University.