陕北黄土高原森林区植被恢复演替

陕北黄土高原森林恢复演替的系列是:猪毛蒿群落—铁杆蒿和茭蒿群落—黄背草群落、大油芒群落和白羊草群落—狼牙刺灌丛、黄蔷薇灌丛、沙棘灌丛和虎棒子灌丛—山杨林和白桦林—辽东栎林。演替系列前期,为植物群落作用下土壤性的内因动态演替,后期是由群落内光强度减弱而引起的群落内因动态演替。

Recovering Succession of Vegetation in Forest Region of North Shaanxi Loess Plateau

Describes the main sere of vegetation recovery on loess plateau of north Shaanxi as followe: Artemisia scoparia community-Artemisia gmelinii and A. giraldii community Themeda triantra var. japonica, Spodiopogon sibiricus and Bothriochloa ischaemum community Sophora vied folia, Hippophae rhamnoides, Rosa hungonis and Ostryopsis davidiana shrub lands-Populus davidiana and Betula platyphylla forest-Quercus liaotungensis forest. The fundamental driving force of the succession is generated from an edaphological endodynamic sacces-sun under the reaction of plant communities in early stage of the sere. As the photointensity decreased in later stage of the sere, endodynamic succession of plant communities took place.