What should be avoided in new construction regarding trees?

Prepare for the ISA Municipal Arborist Exam. Study with flashcards and multiple choice questions, each with hints and explanations. Ace your exam!

In the context of new construction, it is essential to avoid using aggressive root species too close to sewer lines. This is because many tree species can develop extensive root systems that seek out moisture, which can lead to root intrusion into sewer lines. When roots invade these systems, they can cause blockages, potentially leading to costly repairs and maintenance. Additionally, root intrusion can disrupt the installation of utilities and foundations, compromising the integrity of the construction. Therefore, careful selection of tree species based on their root behavior and placement is critical to prevent future problems associated with infrastructure and tree health.

While planting non-native species can pose ecological concerns, and shallow-root species might be less invasive but could still have challenges in construction areas, the immediate impact on sewer systems emphasizes the need for awareness of aggressive root species in close proximity to utilities. Proper irrigation practices are generally beneficial and should not be avoided.

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