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Mini-drone assisted tree canopy sampling: a low-cost and high-precision solution.
Zhi Liu1, Yuanyuan Yan1, Jiayin Pang2
1Key Laboratory of Sustainable Forest Ecosystem Management-Ministry of Education, School of Forestry, Northeast Forestry University, Harbin, China.
Frontiers in Plant Science
|November 6, 2023
Summary
Researchers developed a novel, low-cost mini-drone method for safe and efficient tree canopy sampling up to 30 meters. This technique overcomes limitations of traditional methods, aiding forest ecosystem studies.
Area of Science:
- Forestry
- Ecology
- Environmental Science
Background:
- Collecting tree canopy samples is crucial for forest research but faces challenges.
- Existing methods like pole pruners and climbers have height, safety, cost, and accuracy limitations.
Purpose of the Study:
- To introduce a novel, portable mini-drone system for efficient tree canopy sample collection.
- To address the limitations of traditional sampling techniques in forest ecosystems.
Main Methods:
- A portable mini-drone was utilized to deploy a line across branches.
- The drone facilitated dragging a rope to the cutting point and carrying cutting tools (wire or chain saw).
- On-site testing and field trials were conducted for validation.
Main Results:
- The mini-drone method proved feasible for sampling lower and middle canopies (up to 30m).
- It is applicable to various temperate broad-leaved and coniferous tree species.
- The technique demonstrated safe and efficient sample collection.
Conclusions:
- The developed mini-drone technique offers a low-cost, safe, and efficient solution for tree canopy sampling.
- This method has significant potential for use in both plantation and old-growth forests.
- It can enhance physiological and ecological studies on tree functional traits.
