( ( The ( ability ( to ( ( bear fruit ) ( in winter ) ) ) ) ) ( ( ( gives ( this plant ) ) ( ( ( a ( ( very important ) ( ecological value ) ) ) , ) ( being ( ( ( a ( good ( food source ) ) ) ( for ( ( ( ( ( many species ) , ) ( especially birds ) ) , ) ( at ( a time ) ) ) ) ) ( when ( resources ( are scarce ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN ability) (S (VP (TO to) (VP (VB bear) (NP (NN fruit)) (PP (IN in) (NP (NN winter))))))) (VP (VBZ gives) (NP (DT this) (NN plant)) (NP (NP (DT a) (ADJP (RB very) (JJ important)) (JJ ecological) (NN value)) (, ,) (VP (VBG being) (VP (NP (DT a) (JJ good) (NN food) (NN source)) (PP (IN for) (NP (NP (NP (JJ many) (NNS species)) (, ,) (NP (RB especially) (NNS birds)) (, ,)) (PP (IN at) (NP (DT a) (NN time))))) (SBAR (WHADVP (WRB when)) (S (NP (NNS resources)) (VP (VBP are) (ADJP (JJ scarce))))))))) (. .)))
The ability to bear fruit in winter gives this plant a very important ecological value, being a good food source for many species, especially birds, at a time when resources are scarce.
(ROOT (S (NP (NP (JJ Many) (NNS species)) (PP (IN of) (NP (NP (NNS birds)) (PP (IN in) (NP (JJ new) (NN england)))))) (VP (VBP fly) (ADVP (RB south) (PP (IN for) (NP (DT the) (NN winter) (NNS months)))) (S (VP (TO to) (VP (VB find) (NP (DT an) (NN environment)) (PP (IN with) (NP (JJR more) (NN food))))))) (. .)))