A Comparison of Oak Regeneration Methods in Mille Lacs Uplands Subsection (MNDNR)
Figure 1. Michelle Martin surveys oak regeneration on the Mille Lacs WMA, fall 2021
Field Trial - Natural Regeneration of Red Pine Under an Existing Stand through Shelterwood and Gap Thinning Techniques (MNDNR)
Figure 1. The stand in 2017 – a 59 year old red pine plantation with natural regeneration in the understory
Acorns and anchor chain to increase oak regeneration (MN DNR)
Paper Birch Regeneration in a Shelterwood vs Seed-tree Harvest (MN DNR)
Image of the shelterwood harvest observed in this case study
Oak Scarification Trials using Good Neighbor Authority (USFS/WDNR)
The Headson scarifier at work.
Vegetation response 30 years after initiating a two-step oak shelterwood in central mesic hardwoods (MN DNR)
Photo of case study site 30 years after a two-step oak shelterwood was initiated. 3 to 5 inch red oak and maple are shown.
Northern Red Oak Shelterwood (Carlton County)
Figure 1. Residual stem density after a shelterwood harvest of a red oak stand that took place in 2013.
Reserve shelterwood with float disc-trenching naturally regenerates birch and oak (MN DNR)
Treatment 1 showing dense free to grow paper birch.
Mississippi River Pool 3 Floodplain Forest Silvicultural Trials (US Army Corps of Engineers)
Figure 1. Reed canary grass remains a problem to seedling regeneration in treatment areas.

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