Community dynamics

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Community dynamics by Mind Map: Community dynamics

1. Succession

1.1. Stages

1.1.1. Pioneer Traits High fecundity High dispersal potential Rapid population growth Low competitive ability Function in environment Alter/stabilize soil Shade soil Add nutrients to the soil Self defeating for pioneers

1.1.2. Climax Traits higher competitive ability longer lived more efficient growth higher productivity (system wide)

1.2. Models

1.2.1. Facilitation Predictable sequence, earlier colonists jape way for later species

1.2.2. Inhibition Initial colonists suppress arrival of later species

1.2.3. Tolerance lottery model

1.3. Types

1.3.1. Primary

1.3.2. Secondary Disturbance frequency intensity

1.4. Examples

1.4.1. Sand dunes

1.4.2. Glaciers

1.4.3. Old fields

2. Interactions amongst species