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Forest Restoration or Forest Degradation?

Forest Restoration or Forest Degradation?

These two images display a recent example of a forest “restoration” project designed to improve the “health” of a ponderosa pine forests. The area to the left of the path was recently (about a year ago) thinned and then burned. The area to the right of the trail shows what the “unhealthy” landscape was like before “restoration” occurred.

I would argue from a forest ecosystem health and biodiversity perspective, the managed landscape pictured here is degraded and less “healthy” than the right side of the pathway.

First, note that the forest left of the path is nearly uniform in species and tree size. You see little young age class trees. Other tree species that exist in the area and visible to the right side of the path like lodgepole pine and white fir are gone.

The “treated” side due to its more uniform species and age class is now much more vulnerable to future disease and insect outbreaks.

In addition to the loss of species diversity, there is almost no understory shrubs or other plant species on the left side (left) of the path. While the right side has a greater diversity of “habitat niches” that includes shrubs, flowers, grasses, and other plant species. All of this diversity supports a greater variety of insects, birds, small mammals, reptiles, and other wildlife.

There is a collective loss of dead wood, and even the potential for future snags and dead wood since the goal of these treatments is to preclude natural processes like bark beetles, wildfire and other natural disturbance processes from occurring.

The removal of trees by thinning has also reduced the carbon storage on the site, and as many papers extoll, this loss today is problematic and will take a long time to recover.[1]

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Why Forests are the Best ‘Technology’ to Fight Climate Change

Why Forests are the Best ‘Technology’ to Fight Climate Change

The warning from the world’s top climate scientists that carbon dioxide (CO2) will need to be removed from the atmosphere to limit global warming to 1.5 degrees Celsius is both a due and dire recognition of the great task in front of us. What must not be forgotten, however, is the hope that our forests provide.

The Intergovernmental Panel on Climate Change (IPCC) has said limiting global warming to 1.5C is not only achievable but also critical, given the previously underestimated accelerating risks for every degree of warming beyond that target.

It has also suggested that the amount of carbon dioxide removal (CDR) that will be needed can be limited by significant and rapid cuts in emissions, but also reduced energy and land demand to a few hundred gigatonnes without relying on Bioenergy with Carbon Capture and Storage (BECCS).

This means forests and land use can and must play a key role in efforts to achieve 1.5 degrees, but governments and industry too often overlook why improved forest protection, as well as forest restoration, are crucial alternative solutions to risky CDR technologies such as BECCS.

While greenhouse gas emissions from agriculture and the destruction of forests and peatlands contribute heavily to climate change, the growth and restoration of forests can contribute significantly to reducing the concentration of CO2 in the atmosphere.

Recent research suggests that forest protection and restoration, together with other “natural climate solutions”, can provide over one-third of the climate mitigation needed between now and 2030.

The IPCC has estimated that between 100 and 1,000 gigatonnes of CO2 will need to be removed from the atmosphere to meet the Paris goals. It has been broadly agreed that the most important natural “carbon sinks” are the world’s forests. To limit climate change, we must urgently adopt an holistic approach to forest and peatland protection.

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Olduvai IV: Courage
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Olduvai II: Exodus
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