What is considered a major threat to biodiversity?

Habitat loss is recognized as a major threat to biodiversity because it directly reduces the space available for various species to live, reproduce, and thrive. When natural habitats such as forests, wetlands, and grasslands are converted for human use—such as agriculture, urban development, or industrial activities—many species can find their environments fragmented or entirely destroyed. This loss of habitat can lead to population declines as animals and plants lose their food sources, breeding grounds, and shelter.

Furthermore, habitat loss often results in the "edge effect," where the conditions at the boundaries of the remaining habitats can be less favorable for the species that depend on the interior of these ecosystems. This further exacerbates the challenges for biodiversity, as many species are unable to adapt to the new conditions or migrate to other locations.

While increased urban development and natural disasters can indeed have negative impacts on biodiversity, they often stem from or contribute to the larger issue of habitat loss. Higher agricultural yields, while beneficial for food production, can also lead to increased habitat conversion, thus indirectly contributing to habitat loss.