%0 Journal Article %J Oecologia %D 2015 %T Global environmental change and the nature of aboveground net primary productivity responses: insights from long‑term experiments %A Smith, M.D. %A La Pierre, K.J. %A Collins, S.L. %A Knapp, A.K. %A Gross, K.L. %A Barrett, J.E. %A Frey, S.D. %A Gough, L. %A Miller, R.J. %A Morris, J.T. %A Rustad, L.E. %A Yarie, J. %K aboveground productivuty %K disturbance %K hierarchial respopnse framework %K long-term ecological research network %K LTER-PIE %K nutrient addition %K precipitation manipulation %K primary production %B Oecologia %G eng %M PIE381 %] NSF-LTER-PIE %R 10.1007/s00442-015-3230-9 %F Journal Article