Alex Deady and the two teens were arraigned at a sitting of the Central Criminal Court in Cork on Thursday.

The two arrested men, one aged in his 20s and the other in his late teens, were detained on Monday at Garda stations in the county.

It was alleged that Daniel Finn, a farmer in his 70s, had deliberately cleared trees and shrub-land and other habitats in Co Cork

Weapons such as slash hooks, machetes, and knives were confiscated.