Does ecosystem sensitivity to precipitation at the site-level conform to regional-scale predictions?
作者: Kevin R. WilcoxJohn M. BlairMelinda D. SmithAlan K. Knapp
作者单位: 11 University of Oklahoma Department of Microbiology and Plant Biology
23 Kansas State University Division of Biology
34 Colorado State University Department of Biology
45 Colorado State University Graduate Degree Program in Ecology
刊名: Ecology, 2015
来源数据库: Ecological Society of America
DOI: 10.1890/15-1437.1
原始语种摘要: Central to understanding global C cycle dynamics is the functional relationship between precipitation and net primary production (NPP). At large spatial (regional) scales, the responsiveness of aboveground NPP (ANPP) to inter-annual variation in annual precipitation (AP; ANPPsensitivity) is inversely related to site-level ANPP, coinciding with turnover of plant communities along precipitation gradients. Within ecosystems experiencing chronic alterations in water availability, plant community change will also occur with unknown consequences for ANPPsensitivity. To examine the role plant community shifts may play in determining alterations in site-level ANPPsensitivity, we experimentally increased precipitation by ~35% for two decades in a native Central US...
全文获取路径: ESA  (合作)
影响因子:5.175 (2012)

  • precipitation 沉淀
  • sensitivity 灵敏度
  • regional 地方的
  • conform 使一致
  • level 水准
  • climate 气候
  • community 群落
  • annual 年刊
  • ecosystem 生态系
  • grassland 草地