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An Ecological Foundation for IPM. Island Biogeography. How are Island Biogeography and Agriculture Connected?. Give me an example. Community Succession. More Stability. More Diversity. Community Succession. Community Succession. Community Succession. Planting seed Fertilizers Weeding

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community succession
Community Succession

More Stability

More Diversity

slide12

Community Succession

  • Planting seed
  • Fertilizers
  • Weeding
  • Soil preparation
  • Insecticides
  • Artificial selection
r vs k selection species
R vs K-selection species
  • r-selection species.

- High fecundity

- Short generation time

- Low competitive ability

- High dispersal

r vs k selection species14
R vs K-selection species
  • K-selection species.

- Lower fecundity

- Longer generation time

- Higher competitive ability

- Lower dispersal

biodiversity and stability
Biodiversity and Stability

More Stability

More Diversity

the facts
The facts

Population response to polyculture

Increase

Decrease

No change

Variable response

Andow 1991

slide18

Root 1973

“Resource concentration hypothesis”

slide19

Monoculture

Polyculture