Fungal bioluminescence, fireflies, a few fireflies in clearings and caverns and around fruit plants, caverns bright as day from fungal lights, bioluminescence a cool blue.
Clear view.
Overgrowth on inanimate objects, moss on tree trunks and some rocks and above the tree line, plants occasionally droop a bit, normal amount of plants.
A breeze, no lightning, drizzles, cool winds.
Rivers are normal and there is morning dew, normal amount of rain for this level, normal river strength for this level.
Wood unreliable, 33% decreased tensile strength for this level, ground sturdy.
If plants permit there is vine-thatching over smaller gashes, cavern entrances are half crusted over, crust slightly harder to remove, vine-thatchings sturdier.
Normal landscape.
Normal fauna and flora behaviour.