Old-growth forests reveal how diverse tree sizes thrive through layered light dynamics and ecosystem engineering
Original framing: “How tall and short trees can coexist in old growth forests” — Phys.org
Recent dendrochronological and LiDAR studies quantify how canopy gaps, root‑mycorrhizal sharing, and species‑specific shade tolerance generate niche partitioning. Experimental plots confirm that facilitation, not just competition, drives coexistence, and models predict that such structural diversity enhances carbon sequestration under future climate scenarios.
The coexistence of tall and short trees in old‑growth forests emerges from a web of facilitative processes, historical disturbance regimes, and Indigenous stewardship that together create resilient, multi‑layered ecosystems.
Scientific evidence, artistic narratives, and trickster insights converge to challenge the simplistic competition narrative, revealing that structural diversity is both an ecological and cultural imperative. By embedding Indigenous co‑management, policy incentives for heterogeneity, and robust research into forest governance, societies can harness these systemic dynamics to buffer climate impacts and sustain livelihoods. This integrated approach reframes forests not as resource piles to be harvested but as relational commons that require collaborative, cross‑cultural guardianship.