Although some nutrients pass through herbivore and detritus food chains in essentially complete organic subcycles, the main reservoirs of most of these materials are in abiotic components of the ecosystem.
(some nutrients; pass; through herbivore and detritus food chains; L:in essentially complete organic subcycles) (the main reservoirs of most of these materials; are; in abiotic components of the ecosystem)
some nutrients the main reservoirs of most of these materials
pass are
through herbivore and detritus food chains L:in essentially complete organic subcycles
in abiotic components of the ecosystem