( ( ( The ( terrestrial biome ) ) ( of ( the river ) ) ) ( ( is ( classified ( as ( Eastern ( Deciduous Forest ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (JJ terrestrial) (NN biome)) (PP (IN of) (NP (DT the) (NN river)))) (VP (VBZ is) (VP (VBN classified) (PP (IN as) (NP (NNP Eastern) (NNPS Deciduous) (NNP Forest))))) (. .)))
The terrestrial biome of the river is classified as Eastern Deciduous Forest.
(ROOT (S (NP (JJ Terrestrial) (NNS biomes)) (VP (VBP are) (VP (VBN classified) (PP (IN by) (NP (NP (JJ climatic) (NNS factors) (CC and) (NNS types)) (PP (IN of) (NP (JJ primary) (NNS producers))))))) (. .)))
Terrestrial biomes are classified by climatic factors and types of primary producers.