PPT Slide

V. Disturbance

B. Two main components

1. Frequency

-Daily, monthly, annually, etc.

-Regular & predictable?

(facilitates adaptation; migration)

2. Intensity

-Degree of departure from ‘normal’

-River level, wind, temperature, etc.

C. Community responses to disturbance

1. Resistance: Ability to withstand or resist

perturbation

2. Resilience: Time for community to return

to ‘normal’ or ‘equilibrium’

following perturbation

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