Well, right now the screen has been on for a week, and so far the moss is still there.
I wonder if the screen helps to keep it moist due to it's capacity to hold wate
I used a metal screen, so I'm not sure that its going to hold any water, but I am curious if it will provide bits of "shade", like an overhead arbor can, during the day. That I'm not as concerned about, the moss that I get is full-sun moss, the kind that gets nice, tight foliage. I don't want it to get leggy.
Are the little beasts eating the moss? Maybe they're using it as bedding.
I almost wish they were doing something productive with it, so I could at least justify why my moss gets destroyed. But, what they typically do is just dig it up, so I come home from work and the chunks of moss are all scattered about, dried out. So far I've gotten them to stop biting the barks of bonsai trees by putting out bowls of water on my benches, but I'm not sure what they're looking for/doing with the digging so I don't know how to distract/accommodate their need in another way. It doesn't seem like they're burying anything, and they are definitely bee-lining for the mossy parts of the tray. I once had a tray that was only half full, and they left the half with no moss completely alone - it was pristine all summer long. But the side with the moss had the moss flung off it every day until the pieces were too dried to try to resurrect. If you ever see an online business start up selling chipmunk skins and squirrel tails, you'll know that I've completely lost it at that point.