TY - JOUR A1 - Bullock, J.M. A1 - Silvertown, J. A1 - Hill, B.C. T1 - Plant demographic responses to environmental variation: distinguishing between effects on age structure and effects on age-specific vital rates Y1 - 1996 DO - 10.2307/2261335 JF - Journal of Ecology VL - 84 IS - 5 SP - 733 EP - -743 ER -