Dry Sandy Upland Forest
Scenario model
Current ecosystem state
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Management practices/drivers
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Transition T1A
Site is logged and disturbed
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Restoration pathway R2A
Restoration inputs; forest stand management
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No transition or restoration pathway between the selected states has been described
Target ecosystem state
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Description
This is a dry jack pine - red pine woodland on course textured soils. Sites occur on undulating sandy outwash plains, lake plains, and moraines. Historically, the site was influenced by fire events which occurred approximately every 40-50 years. (MN DNR, 2005).
Submodel
Description
Removal of canopy species for timber harvest creates an open canopy and a highly disturbed understory. Shrubs will dominate post logging. A very dense shrub layer can impede tree regeneration. Heavy machinery are a common seed source for non-native species. Human and recreational activities can also lead to seed sources of non-native species being established (MN DNR 2005). The management trend for this ecological site has been to convert stands to red pine plantations whenever possible and a significant portion of its historic range was converted. Logging without conversion has resulted in woodlands dominated by quaking aspen, balsam fir, and paper birch. Managing stands primarily for balsam fir or jack pine increases the risk of windthrow due to the trees not being wind-firm. Managing stands in the absence of surface fire increases the risk of losing jack pine and red pine as a potential crop trees. (MN DNR 2022).
Submodel
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