Gap Colonization as a Source of Grassland Community Change: Effects of Gap Size and Grazing on the Rate and Mode of Colonization by Different Species

J. M. Bullock, B. Clear Hill, J. Silvertown, M. Sutton, Gap Colonization as a Source of Grassland Community Change: Effects of Gap Size and Grazing on the Rate and Mode of Colonization by Different Species, Oikos, Vol. 72, No. 2 (Mar., 1995), pp. 273-282