( ( ( ( ( ( The ( Population Institute ) ) , ) ( Negative ( Population Growth ) ) ) , ) ( Carrying ( Capacity Network ) ) ) . )
(ROOT (NP (NP (DT The) (NNP Population) (NNP Institute)) (, ,) (NP (NNP Negative) (NNP Population) (NNP Growth)) (, ,) (VP (VBG Carrying) (NP (NNP Capacity) (NNP Network))) (. .)))
The Population Institute, Negative Population Growth, Carrying Capacity Network.
(ROOT (S (NP (NNP Growth)) (VP (VBZ stops) (SBAR (WHADVP (WRB when)) (S (NP (DT a) (NN population)) (VP (VBZ reaches) (NP (DT the) (VBG carrying) (NN capacity)))))) (. .)))
Growth stops when a population reaches the carrying capacity.