What is a DL?
Yep seems an interesting read, thanks am digesting it for some other ideas eg ∼20-100 kHz
there is a plant in South Africa that changes it stance when it knows animals are grazing on other ones
think
@wafflehead may have mentioned it before
was chatting to a human many moons ago that heard the plants being hurt eg trees being cut down
reckon it was a slighty high pitch wane
yes waves

bit like cavitation