Response of a grassland cactus [Opuntia polyacantha] to frequency and size of rainfall events in a North American [Colorado, USA] shortgrass steppe

作者： W.K. Lauenroth , R.L. Dougherty , J.S. Singh

DOI:

关键词: Steppe 、 Geography 、 Opuntia polyacantha 、 Plant ecology 、 Grassland 、 Forestry 、 Cactus