In most terrestrial ecosystems with high standing biomass and relatively low harvest of primary production by herbivores, the detrital food chain is dominant (Smith & Smith 2009).

Food webs show how all the food chains in an ecosystem interact. Back to top. Food chains. Video - Food chains and ecosystems ... Grass is the producer in the grass → rabbit → fox food chain.

Contrary to onetime scientific opinion, red foxes living in the Sacramento Valley are not an artificially introduced species that threaten local ecosystems, according to a UC Davis researcher. Ben ...