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Unformatted text preview: Assimilated efficiency = assimilated energy/ingested prey A lot of the energy will be used in respiration o Some assimilated energy is used for work and respiration, some individuals die- Ecological efficiency = assimilated energy/prey- Net production efficiency = growth & reproduction/ assimilated energy Food-web chain length is proportional to ecosystem size in lakes o The ecosystem-size hypothesis predicts that the food-chain length of a community will increase with increasing ecosystem size, no matter what the productivity o If productivity was unimportant, then there should be no change in food-chain length with increasing productivity, no matter how large the ecosystem...
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This note was uploaded on 11/16/2009 for the course BIOL BIOL taught by Professor Johnson during the Spring '08 term at Aberystwyth University.
- Spring '08