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Related Experiment Video

Updated: Apr 5, 2026

Field Collection and Laboratory Maintenance of Canopy-Forming Giant Kelp to Facilitate Restoration
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Forest health and global change.

S Trumbore1, P Brando2, H Hartmann3

  • 1Max Planck Institute for Biogeochemistry, 07745 Jena, Germany. University of California-Irvine, Irvine, CA 92697, USA. trumbore@bgc-jena.mpg.de.

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Summary

Forest health is vital for human survival and ecosystem services. Assessing global forest health is crucial to identify decline thresholds amid climate change and novel stresses.

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Area of Science:

  • Ecology
  • Environmental Science
  • Forestry

Background:

  • Forests provide essential resources (energy, food, materials) and ecosystem services (carbon storage, biodiversity, climate regulation).
  • Forest health assessment integrates human utility and ecosystem function across various scales.
  • Native forests face unprecedented threats from climate change, pollution, and invasive species.

Purpose of the Study:

  • To address the scientific challenge of assessing global forest health.
  • To develop systems for detecting how intensifying stresses impact forest trajectories.
  • To identify critical thresholds for rapid forest decline.

Main Methods:

  • Defining forest health using integrated utilitarian and ecosystem measures.
  • Implementing assessments across a range of spatial scales.
  • Focusing on detecting impacts of novel stresses like climate change, air pollution, and invasive pests.

Main Results:

  • Forests are increasingly vulnerable to novel stresses beyond natural disturbance adaptation.
  • Identifying decline thresholds is critical due to the long recovery time for forest services.
  • A global assessment system is needed to track forest health trajectories.

Conclusions:

  • Urgent need for systems to assess global forest health.
  • Understanding forest response to intensifying stresses is key to conservation.
  • Proactive identification of decline thresholds can mitigate long-term loss of vital ecosystem services.