What issue is identified by the term "illegal post-tree"?

The term "illegal post-tree" refers specifically to the unauthorized use of public trees for postings. When individuals or organizations place signs, advertisements, or notices on public trees without permission, it creates a problem for municipal upkeep and the health of the trees themselves. This unauthorized posting can lead to potential harm to the trees, obstruct public views, and cause issues with local regulations regarding signage and public property usage. Understanding this term is crucial for sanitation enforcement agents, as it ties into broader concerns about public space management, the protection of public resources, and adherence to local laws governing property use.