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Worldbuilding

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  • $\begingroup$ From experience we know that if you introduce some kind of "better suited" flora and fauna it will supersede weaker ones. You want to burn the local enviroment with higher oxygen concentration while introducing items that are already adapted to that. Anecdotal example - a plant can adapt from being watered 3 times a week to 2 times a week while watering it 4 times a week would overwater and kill it. $\endgroup$ Commented Jan 10, 2020 at 10:32
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    $\begingroup$ Depending on how exactly the local plants implement photosynthesis, increasing the partial pressure of oxygen may have severe deleterious effects. Depending on how exactly the local plants implement photosynthesis, decreasing the partial pressure of carbon dioxide may have severe deleterious effects. (And the concentration of oxygen is meaningless; what counts it the partial pressure.) (And I don't fully understand what you mean by a "shield". Gases will always mix unless completely isolated.) $\endgroup$ Commented Jan 10, 2020 at 10:42
  • $\begingroup$ @SZCZERZOKŁY Ideally, the local plant life would be used, instead of introducing new ones $\endgroup$ Commented Jan 10, 2020 at 10:55
  • $\begingroup$ @AlexP The shield is just a plot device that would allow terraforming of the atmosphere, within a space, without confining movement of wildlife. It's a completely fictional device, and just used as means to achieve story goals, and for the most part, not relevant to the potential answers. I think. $\endgroup$ Commented Jan 10, 2020 at 10:58