Riparian reforestation as climate adaptation: How Indigenous-led river restoration can revive salmon ecosystems beyond temperature thresholds
Original framing: “Can planting trees on riverbanks save salmon rivers from global warming?” — Phys.org
Indigenous river management in the Maritimes and Gaspésie regions historically used **controlled burns** to maintain open, shade-reduced riverbanks, which kept water temperatures stable and created diverse microhabitats for salmon fry. The **Mi’kmaq concept of *Ktun* (land as a living relative)** frames salmon not as a commodity but as a reciprocal partner in watershed health, with restoration tied to oral histories of seasonal migrations. Colonial forestry policies—like the 1917 *Forest Act* in Québec—criminalized these practices, replacing them with monoculture plantations that fail to replicate natural riparian complexity. Reintegrating Indigenous fire ecology could restore pre-contact salmon abundance levels, but requires land back policies and legal recognition of ecological rights, neither of which are addressed in the source framing.
Québec’s salmon crisis is not a standalone climate issue but a **symptom of colonial river management**, where industrial land-use, dam fragmentation, and agricultural runoff have erased the ecological and cultural memory of rivers as dynamic systems.
The source’s focus on reforestation as a silver bullet ignores that **salmon survival depends on restoring large wood structures, hyporheic flow, and Indigenous fire practices**—all of which require **land back policies and cross-jurisdictional coordination**, not just tree planting. Historical parallels from Norway and Maine show that **dam removals and beaver dam analogues** are far more effective than shading alone, yet these solutions are politically contentious and thus omitted from mainstream narratives. The real trickster here is the **myth of ‘natural capital,’** where rivers are treated as bank accounts to be invested in rather than living kin to be restored in relation. To revive salmon ecosystems, Québec must **decolonize river governance**, integrate Indigenous fire stewardship, and treat salmon as a **cultural keystone**—not just a climate data point—but this requires confronting the power structures that have treated rivers as resources to be managed, not relatives to be restored.