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Yes. I know it's a clumsily written title.

The long and short of it is that I am writing about a tropical rainforest that is being harvested for, among other things, its peat.

Problem I need addressed - I want the peat to renew faster than it does on 'our earth'. Assume that conditions are earth-like (i will accept geological conditions where it is borderline inhospitable to baseline standard humans). How much faster than our world doesn't matter, just faster (ie, ill accept a growth rate of anything more than 1mm a year. Or even more simply, ill accept anything that would make renewal faster than current 2025 capabilities).

Things not to frame challenge me on because they aren't relevant to my question and i'm not a geologist or biologist

  1. The size of the planet
  2. The definition of 'tropical rainforest'
  3. the definition of 'tropical'
  4. the definition of 'rainforest'
  5. the definition of 'peat'
  6. the definition of 'renew'
  7. the definition of 'faster'
  8. the definition of 'harvested'
  9. the definition of 'earthlike'

Question: is there a scientifically accurate justification for 'faster' growing peat

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    $\begingroup$ -1 for lack of research. Trivial Google searches reveal techniques that can acceleate peat renewal from centuries to 20-35 years. Let's call "centuries" 200 years. That's about 6X faster. Humans are already doing this. $\endgroup$ Commented Jul 18, 2025 at 23:37
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    $\begingroup$ @JBH citation required. Google searches i did revealed that the 1year mm regen rate at present was considered too low to be considered 'properly renewable'. As in title, i need something even faster than current 2025 technological capabilities but still scientifically plausible $\endgroup$ Commented Jul 18, 2025 at 23:54
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    $\begingroup$ Citation. And your request is ridiculously unrealistic. Anyone who could give you the answer you want would submit it to win an environmental excellence award and a patent rather than posting it here. And it's your fault, my friend, for not clearly setting an expectation for what you want - which is apparently something markedly better than 2025 capabilities, which is fiction. Per the help center, we help people build imaginary worlds. We do not help people build the Real World. $\endgroup$ Commented Jul 19, 2025 at 22:00
  • $\begingroup$ @JBH But: most peatland revitalisation fails for the peatland was fully destroyed to a point it can no longer be returned to its former state, or only in a lesser, reduced state. $\endgroup$ Commented Jul 20, 2025 at 14:21
  • $\begingroup$ @Trish And? How does that relate to the OP's question? Heaven forbid we ask for a definition of the word "renew." $\endgroup$ Commented Jul 20, 2025 at 18:20

2 Answers 2

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Waves of alien lifeforms

Ok, science-based possibility. Let's say we have a plant that grows like kudzu and bamboo, converting peat-like soil into plant matter based on the Sun's energy, with atmospheric inputs. The plant overgrows itself, then dies, leaving a bunch of rotting vegetation in its wake.

A wave of fungus follows, breaking down any lignin, and anaerobic bacteria rot the plant into a compost-like state. Maybe the bacteria actually need the warm temperatures generated by its own waste heat in order to survive.

So now you have waves of vegetation crawling, year-over-year, across a bog that's mostly rotting dead stuff, with the bacteria following behind, cleaning up after it. This isn't uncommon in microscopic settings.

The issue you'd run into then is that it would be susceptible to ecological shift, and actually harvesting it might reduce its environment to the point that you'd disrupt its cycle. You'd need a very large area to keep the process going.

Concerns

You would have to consider what you'd put back into the bog to replace the material you're removing. Plants actually do create material from thin air, but it still needs a substrate. It would have to be something that the kudboo can grow on, and which the bacteria can eat. You'd might need to give the bacteria and fungus some time with it before you lay it out for the kudboo.

You'd also have to worry about the virulent fungus and bacteria getting out and infecting your local structures, or even people. You'd need careful quarantine procedures to make sure they don't get off the planet. Honestly, that stuff would be scary.

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No change to geological feature will help

Peat isn't a geological formation in the first place - peat is a specific form of plant matter that only grows in specific formations. As such, no change to the geological settings of peat systems will ever help. The only geological formations that sustain a peat bog are those that already do: a layer not allowing water to pass down, and in a low bowl, so that water can collect there and feed the low-oxygen bog in the correct manner. Also, inflows may only carry low to no oxygen.

Size of the peat-forming basins increases peat production

The biggest factor that is relevant to the amount of peat formed in a peat bog over time is its area. The bigger it is, the more peat it can form per time, as more plants are involved in the processes.

Different plants have different output

The peat bog plants in different climate zones are different in output. A temperate bog has a lower growth rate than a tropic one, but they also are made from different plants. Note further, that only about a third of the peatland is actually actively growing - the other two-thirds are dormant or dead.

Plants that reproduce faster can help, as can techniques that cultivate them in controlled ("lab") environments and then put them in the peatlands to revitalize them can increase the reproduction rate. Taking cultured peatland plants and putting them in dormant peatlands is the main technique in getting peatlands to recover, as long as the landscape morphology is not destroyed and the water keeps its peatland properties.

Harvesting peat often destroys the peatlands

To harvest peat in the classical ways, the peat bogs will be dried, which destroys the whole peatland. The destruction is so massive that even in many attempts to return old peat mining to normal, the peatland never returned to its former status. In fact, the most prevalent type of peatlands, peat bogs, are so fragile that if a peat bog falls dry, the ecology can break down so totally, it kills the bog and transforms it into another type of landscape, even if it re-floods.

Renaturalizing former peat mines is a very complex thing and often enough, a matter of preserving what was left. This means, among other things, stabilizing the water table, ensuring the water keeps its peatland characteristics. Cultivated peatland plants can aid, but need to be planted carefully.

However, there is only rarely success in extending it back to cover larger areas in a short timeframe. The failure of revitalisation and renaturalization of peat extraction often is a direct result of the extractors not acting for years, keeping the peatlands dry, and thus resulting in irreversible damage to the remaining landscape. In other words: Peat should not be seen as a renewable resource as soon as it is harvested industrially - even tropical peatlands only grow at a few millimeters a year with earth plants, though cultivated plants can cut rehabilitation time of a not fully destroyed area down to decades instead of centuries..

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    $\begingroup$ of course on an alien planet you could have an alien plant the grows like peat but faster. bamboo can manage feet per day obviously too much but faster than earth peat could be reasonable. $\endgroup$ Commented Jul 20, 2025 at 23:05
  • $\begingroup$ @John that's what Para 3 is about: it takes active, wlel propagating plants in good environment. $\endgroup$ Commented Jul 21, 2025 at 13:44
  • $\begingroup$ I am talking about completely different plants, that have different eviromental needs than earth plants. that grow in different ways than earth plants. alien peat might grow 100ft in a year. the alien setting makes comparison ot earth plants useful but also not perfect. $\endgroup$ Commented Jul 21, 2025 at 13:57
  • $\begingroup$ @John under that condition, science based is out the window. $\endgroup$ Commented Jul 21, 2025 at 13:58
  • $\begingroup$ I disagree, hard-science would be out but science based is fine, there are earth plants that can grow faster than 100ft in a year. $\endgroup$ Commented Jul 21, 2025 at 14:02

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