Soil erosion can have several negative effects on ecosystems. It can lead to loss of fertile topsoil, which is essential for plant growth. This can result in decreased plant productivity, reduced biodiversity, and even desertification in extreme cases. Additionally, soil erosion can increase sedimentation in water bodies, leading to water pollution and habitat degradation for aquatic organisms. Overall, soil erosion can disrupt the delicate balance within ecosystems and harm the overall health and functioning of ecosystems.