Ecosystem processes may take many years to recover from significant disturbance.

In many areas, M. ulcerans infection has only occurred after significant environmental disturbance.

The lead-up to the elections saw some isolated protests, but no significant disturbances.

I detect a significant disturbance in the stellar magnetic field.

Wildlife tourism can cause significant disturbances to animals in their natural habitats.

Additionally, marijuana is far less likely to cause significant visual disturbances or hallucinations.

By the government's own tally, there were 74,000 riots or other significant public disturbances in 2004 alone, a big jump from previous years.

The most significant disturbances occurred at Bristol, where rioters controlled the city for three days.

The forest in some areas of the park is over a century old without significant disturbance.

Second, the high mountain topography provides a significant disturbance to the winds.