What is the ecological impact of pesticide use by humans?
- They are nonspecific and may kill other unintended organisms. This reduces the biodiversity of ecosystems.
- Most pesticides are persistent. They accumulate along the food chain and may eventually kill/ damage other unintended organisms at higher trophic levels, including man
- Predators of the organisms targeted by the pesticide may be deprived of their only source of food and therefore upset the food chain.
- Use of broad-spectrum pesticides can lead to pest resurgence after the period of treatment because some pests become resistant yet the pesticide kills the pest and its predator
- Pesticides pollute air, water and soil.
- May lead to resistance and resurgence of pests
CATEGORIES Bio Questions and answers
TAGS Dr. Bbosa Science
