What potential environmental impact can arise from pesticide use in forestry?

Water contamination is a significant potential environmental impact stemming from the use of pesticides in forestry. When pesticides are applied to forested areas, they can run off into nearby water bodies during rainfall or irrigation processes. This runoff can lead to the contamination of streams, rivers, lakes, and groundwater. The presence of pesticides in aquatic ecosystems can adversely affect water quality and harm aquatic organisms, such as fish, invertebrates, and amphibians. Additionally, pesticide residues may bioaccumulate in the food chain, posing risks to wildlife and even humans who rely on these water sources for drinking or recreational activities. This highlights the importance of managing pesticide applications carefully to minimize risks associated with water contamination in forestry practices.