They are aware, for example, that chemicals can travel through the ground to affect plants and vegetation.

Environmentalists were concerned that the removal of billions of gallons of ground water might affect springs, wildlife and vegetation.

The resulting acidic streams affect local vegetation and prevent re-vegetation of affected areas.

Lithology affects soil, vegetation, and the quantity and quality of surface water, which vary across the region.

That has in turn affected vegetation and a variety of wildlife.

On numerous occasions, sediment clogging owing to poor maintenance of canals has affected agricultural production and vegetation.

Keep in mind that excessive amounts of any cleaning agent can affect the plants and vegetation around your home.

Reduced light availability, affecting nearby reefs and submerged aquatic vegetation.

Altitude affects not only temperature, but also vegetation.

High levels of ozone not only harm people but can also affect crops and vegetation, stunt trees and contribute to algae in lakes.