( ( ( Both ( circannual ( and ( ultra-annual ( ( -LRB- ( ( ( period shorter ) ( than ( 1 year ) ) ) -RRB- ) ) rhythms ) ) ) ) ) ( of prescription ) ) ( ( were found ) . ) )
(ROOT (S (NP (NP (DT Both) (JJ circannual) (CC and) (NN ultra-annual) (PRN (-LRB- -LRB-) (ADJP (ADJP (NP (NN period)) (JJR shorter)) (PP (IN than) (NP (CD 1) (NN year)))) (-RRB- -RRB-)) (NNS rhythms)) (PP (IN of) (NP (NN prescription)))) (VP (VBD were) (VP (VBN found))) (. .)))
Both circannual and ultra-annual (period shorter than 1 year) rhythms of prescription were found.
(ROOT (S (NP (JJ Circannual) (JJ behavioral) (NNS rhythms)) (VP (VBP are) (VP (VBN linked) (PP (TO to) (NP (NP (DT the) (JJ yearly) (NN cycle)) (PP (IN of) (NP (NNS seasons))))))) (. .)))