How does deforestation influence biodiversity?

Prepare for the Leaving Certification Ecology Exam with flashcards and multiple choice questions, each with hints and explanations. Ensure your success!

Deforestation has a profound impact on biodiversity, primarily through habitat loss. When forests are cleared for agriculture, urban development, or logging, the natural habitats that many species rely on for survival are destroyed. This loss of habitat can lead to a decrease in population sizes for many native species, as their living space and food sources are significantly reduced.

As certain species become threatened or extinct due to habitat loss, the overall biodiversity of the area declines. This is particularly concerning because biodiversity is essential for ecosystem health, resilience, and the ability to adapt to environmental changes. A rich diversity of species contributes to various ecological functions, such as pollination, nutrient cycling, and disease regulation. Therefore, the link between deforestation and a reduction in biodiversity is well-established in ecological studies.

In contrast, other options do not capture the reality of deforestation's impact. While it may create some new habitats in certain contexts, this usually favors a small number of species and often disrupts the existing ecosystem. Additionally, the notion that deforestation has no significant effects on biodiversity contradicts substantial ecological research. Lastly, while deforestation can create conditions that may benefit invasive species by providing them with opportunities to thrive in disturbed environments, the primary effect is still the drastic reduction of

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