Living in an arid region is a precarious business.
meaning every shoot and leaf is all the more precious, even when they're dead and decaying.in outback South Australia has demonstrated the importance of vegetative leftovers in fueling a desert ecosystem – and revealing an unintuitive alliance between termites and dingoes.
Researchers in this outback study compared control plots, where large herbivores such as kangaroos and the occasional goat freely grazed, against one-hectare fenced enclosures where the voracious vegetation munchers were kept out. Brown food webs are those where the primary food source is decaying vegetation rather than living plants. This rotting plant tissue is recycled back into food energy for the rest of the web when consumed by detritivores, like termites and worms, which are nutriment for small vertebrates.
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