Right now, sustain for a long period of time, nope they can't.
For a short period, yes they do. And once there is no competitor(like if synth gonna bail from rhein) for a short period of time they could... atleast to not make starve majority of population... and in few months(3-4) their production gonna skyrock.... since alien organisms already integrated on Junyo. And integrating into Kyushu.
![[Image: westik.png]](http://pile.randimg.net/0/48/12228/westik.png)