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Watch
a series of videos to help understand and complete the Cutting Notice and Report.
Contact information
Use the Forestry Assistance Locator to find Cooperating Foresters or DNR Service Foresters for your county
View the current Directory of Foresters [PDF].

MFL and FCL harvesting step #2: Assessing the harvest areaInvasive species

Garlic mustard invading a Wisconsin forest
Garlic mustard invading a Wisconsin forest.

Before the cutting notice can be filled out, determine whether any invasive plants, pests or pathogens exist on or near the area that will be harvested. This information is used to determine which best management practices (BMPs) will need to be implemented to reduce the introduction and spread of invasive species while the trees are being cut.

Inventory the property

The person completing the cutting notice and setting up the timber harvest will need to inventory the property to determine the answers to the following questions BEFORE the cutting notice is filled out. Answers to these questions could be determined by talking with the landowner or the DNR forester, but are most often determined after scouting the site.

  • Are there any invasive plants present on site?
  • Do you see signs of pests, pathogens or diseases present on site?
  • Are there any invasive plants on nearby or neighboring sites?
  • Are there signs of pests, pathogens or diseases on nearby or neighboring sites?
  • What is the infestation level of invasive plants, pests, pathogens or diseases if present?

Even if it is winter, the person completing the cutting notice and setting up the timber harvest should still be able to identify some invasive species.

Impacts of invasives on the harvest

The person completing the cutting notice and setting up the timber harvest will also need to think about what impacts the presence of invasive plants, pests, pathogens and diseases could have on the timber harvest itself, including the consideration of future forest growth.  It is CRITICAL to think about the impacts that invasives might have on future forest growth, because poor forest growth could put lands at risk of falling out of compliance with the requirements of the MFL or FCL programs. The questions below should be considered BEFORE trees are marked for harvesting.

  • Depending on the type of harvest being prescribed, how is the increased sunlight going to affect any invasives that have been identified?
  • What recommendations have been provided to the landowner about monitoring the spread of invasives after the harvest?
  • How is the harvest prescription going to affect future forest growth if invasives are present on site?  
  • If the harvest prescription will increase the amount of invasives on site after the harvest given increased sunlight, what recommendations or caveats have been provided to the landowner and logger?
  • If the harvest prescription cannot avoid invasives or the threat of spreading invasives, how will impacts be mitigated or minimized and how has that been communicated to the landowner and logger? 

If invasives are not present

Even if invasive species are not present within the area that will be harvested, timber harvesting activities may still introduce invasives to the site. Therefore, BMPs for invasive species should still be implemented even if invasives are not identified or present.

Additional resources

Information

Videos

Last revised: Thursday July 27 2017