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Francis Turner's avatar

As someone who lives in Shimane, where the Japanese word for depopulation (過疎 - kaso) originated in Hikimicho - now part of Masuda, I take issue with part of the rewilding complaints.

"Take, for example, the sugi (cryptomeria) plantations. These monoculture forests, many of which were the result of postwar forestry policies, are aging and unstable. If left unmanaged, they’ll eventually collapse. "

In Shimane, and the rest of the Chugoku region, all (or almost all) of these forests are still actively managed. When I go for bike rides I regularly see the foresters cutting one side of a hill or another. Short of the total depopulation of the region I don't see that stopping. We just climbed up a mountain overlooking Hikimi gorge and there were enough logging trails cut that it was a little unclear in places where the correct hikers path was supposed to go. Thanks to all the roads the ministry of concrete has built the foresters can live (do live in fact, I've had drinks with a couple) in the surviving small towns and quickly drive out every day to their mountain of interest, something that would have taken a lot longer on the roads of just a quarter century ago.

That's not to say that I don't see the abandonment of rice terraces and so on and how they are reverting to odd swamps, but I don't think that "scientific" rewilding helps. Japan is a lush enough country that everything just grows and in a few years the kuzu and other invasives will have been replaced by something else.

I think part of the reason why Japanese people, particularly those in the countryside, are fairly casual about the rewiliding of parts is that it's been a part of the Japanese way of life for centuries and they can see relics of previous eras before people moved away for one reason or another. Take Iwamiginzan, one of the largest suppliers of silver in the world at the start of the Edo-era. At that time population was IIRC estimated to be around 100,000. Now the same area has a population of maybe a couple of thousand. When you hike some of the trails in the hills around it you see all kinds of stone terraces and walls that were built maybe 400 years ago and have been disused for at least 200. Some of those terraces are being used, in fact, as Sugi plantation now and I imagine sometime in the next decade or so they'll be clear cut for the timber.

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Mariusz Sikorski's avatar

I enjoyed the read. Thank you very much for the informative piece.

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