Question

Ash trees are being removed when they show signs of the ash borer, a parasite that affects the trees and kills them off. What best explains why the ash trees are being cut down?

Answer 1

Ooof I know this was asked like 9 hours ago, but for the people who do still need the answer it's...

The ash borer is a density-dependent limiting factor and will start to spread to nearby healthy trees.

Answer 2

The ash borer is a density-dependent limiting factor and will start to spread to nearby healthy trees.

The symptoms an ash tree shows when it is infested with emerald ash borer are similar to symptoms caused by other ash pests or diseases in Wisconsin. For example, crown dieback can occur due to EAB damage, but can also be the result of drought stress, soil compaction or verticillium wilt, just to name a few.