Living Environment Regents Practice Test

Why is the disruption of natural cycles a concern in forestry management?

1. It enhances the growth of invasive species

2. It is beneficial for all tree species

3. It affects the balance of the ecosystem

4. It leads to increased tree diseases

The correct answer is: It affects the balance of the ecosystem

Disruption of natural cycles in forestry management is a significant concern primarily because it affects the balance of the ecosystem. Ecosystems are intricate networks where various organisms, including trees, animals, and microorganisms, interact with each other and their physical environment. When natural cycles—such as nutrient cycling, water cycles, and seasonal changes—are disturbed, it can lead to unforeseen consequences throughout the ecosystem. For instance, the removal or alteration of certain tree species can impact habitat availability for various wildlife species, disrupt food webs, and affect the soil quality and composition. This disruption can lead to reduced biodiversity, as some species may thrive while others decline. An unbalanced ecosystem struggles to recover from disturbances and may face a range of issues, including reduced resilience to pests and diseases, changes in species composition, and impaired ecosystem services like carbon storage and water filtration. Thus, maintaining these natural cycles is crucial for the health and stability of the entire ecosystem. Other choices do touch upon relevant issues in forestry but do not capture the essence of why natural cycles are critical. For example, while invasive species can indeed thrive in disrupted environments, this is a specific outcome rather than a broad summation of the overall ecosystem impact. Similarly, the statement about benefits for all tree species does not recognize