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Ontario Forest Biomonitoring Network

The Ontario Forest Biomonitoring Network (OFBN) monitors the health of mixed hardwood forests across southern and central Ontario. The data set includes:

  • Individual Tree Data: Decline Index and other measurements of visual stress symptoms of each tree within 111 plots
  • Decline Index: The Decline Index is a weighted average of tree stress symptoms (percent dead branches, percent slight or strong chlorosis (pale green-yellow leaves) and percent undersized leaves). Averaged for hardwood trees found within each of the 111 plots in each year.
  • Invasive Plant Species Presence Data
  • Salamander Data: numbers of individuals of salamander and other animal species in 14 plots
  • Tree Regeneration Data: monitors numbers of tree seedlings/saplings in 102 plots
  • Woody Debris Data: amount of woody debris on ground in 102 plots

For more information

Data

Data Available

The data described here is available for you to use. [Learn more]
[See the licence for how you're allowed to use this data.]

1986 - 2018

Supporting Files

Additional Info

Field Value
Tags
Geographic coverage Ontario
Geography Breakdown None
Source URL/Address
Maintainer
Author
Author Email
Maintainer branch Environmental Monitoring and Reporting Branch
Last Validated Date 2021-11-30
Update frequency As required
Access instructions