New film highlights importance of reducing fuel loads

Friday 22 Mar 2024

This story will resonate with foresters both in Australia and New Zealand who have been working hard with authorities and land managers to reduce fuel loads in forests to reduce fire risks.

A new film "California's Watershed Healing" documents the huge benefits that result from restoring forests to healthier densities. UC Merced's Sierra Nevada Research Institute partnered with the non-profit Chronicles Group to tell the story of these efforts, the science behind them, and pathways that dedicated individuals and groups are pioneering to scale up these urgent climate solutions.

"California's forests are at a tipping point, owing to both climate stress and past unsustainable management practices that suppressed wildfires and prioritised timber harvesting," explained UC Merced Professor Roger Bales, who was involved in developing the film.

Covering over 30 million acres - nearly a third of the state - these iconic ecosystems provide water, recreation, habitat, carbon storage and serve other needs. But they now contain too many trees, packed too closely together. "California's diverse ecosystems are facing unprecedented challenges as rising temperatures intensify the threat of wildfires and disrupt the delicate balance of our natural resources," said California Natural Resources Secretary Wade Crowfoot.

The over-accumulation of dead wood, leaves and other organic materials on the forest floor and buildup of small trees - which serve as "ladder fuels" moving fire from the forest floor up into the canopy - has been compounded in recent years by climate warming. Returning more low-severity fire to the landscape is one effective tool for combating heavy fuel loads.

"Restoring fire to these forests, which evolved to experience frequent fire, is critical, despite the risks associated with prescribed, intentional burning," said UC Merced Professor Crystal Kolden. "Partnerships help to give a voice to everyone involved, including historically excluded groups such as the tribes that have burned in these forests for millennia."

"The new production vividly documents the reality of the watersheds' demise and the hard work of new partnerships involving land managers, water agencies, the private sector, counties, universities, community groups and other public agencies to advance the pace and scale of forest restoration," said Jim Thebaut of the Chronicles Group, director and executive producer of the documentary.

"Restoration efforts focus on removing fuels, which lowers the projected severity when a fire does occur," Bales said. "Yet these thinning projects are very expensive. That is where partnerships that can develop creative financing and monetize the benefits of restoration come in."

"We need to use all of the collaborative forest-management, scientific and financial tools at our disposal if we are to address the wildfire challenge at a meaningful scale," said Phil Saksa, chief scientist at Blue Forest, a non-profit organisation focused on creating sustainable investment solutions to environmental challenges. "Leveraging the value provided by all the beneficial outcomes from this work is essential for motivating long-term investments in the natural infrastructure that is our forests and watersheds."

The film explores how scaling up promising investments can ensure a more sustainable future. "California's Watershed: Healing" was shown Sunday, Feb. 18 at the 22nd annual in Nevada City and Grass Valley, followed by a panel discussion with scientists, decision makers and filmmakers. The film trailer can be viewed here.

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Source: UC Merced

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