Flashcards in chapter 20 Deck (64)
the length of time that energy spends in a given trophic level; the longer the residence time, the greater the accumulation of energy in that trophic level
Energy residence time
the length of time that biomass spends in a given trophic level.
Biomass residence time
Average residence times for primary producers range from
more than 20 years in forests to less than 20 days in aquatic ecosystems.