When prey (plants) are numerous their predators (herbivores) increase in numbers, reducing the plant population, which in turn causes herbivore number to decline.
(prey (plants; are; numerous) (their predators; increase; L:in numbers; T:When prey (plants) are numerous) (their predators; reducing; the plant population, which in turn causes herbivore number to decline) (the plant population; causes; herbivore number to decline) Context(the plant population causes,List([91, 133))):(herbivore number; to decline; )
the plant population causes,List([91, 133))
prey (plants their predators their predators the plant population herbivore number
are increase reducing causes to decline
numerous
L:in numbers T:When prey (plants) are numerous
the plant population, which in turn causes herbivore number to decline
herbivore number to decline