Geo2: Chapter 5

-short-term physical or biological events that significantly alter ecosystems 

-the process in which plant communties replace one another to a stable endpoint

-occurs on new land

occurs after a disturbance

-The final vegetation type or stage of succession 

• 1. Epicormic shoot
• -renew trees (Eucalyptus)
• 2. Crown resprouting
• 3. Thick bark
• 4. Germination 

• -Pseudomys mice
• -live in heathlands which are regenerating after fire

Giant sequoia

-a technique that stimulates the germination of some desirable forest trees, thus renewing the forest

• a rapidly rotating column of air that blows around a small area of intense low pressure with a circulation that reaches the ground
• -wind speeds up to 300mph

• an intense tropical storm with sustained winds exceeding 74mph
• -require warm water, moist air and converging winds

the period when a river overflows its normal channel and covers adjacent land

local sudden floods caused by heavy rainfall 

-form as corridors along rivers

tolerant to periodic floods 

• Bald cypress swamp
• -pneumatophores:extend above flood levels and allow the root systems to obtain oxygen

a mass of snow rapidly falling downslope

a number of different types of slope failure

mud flow that occurs on the slopes of erupting volcano