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全新世高分辨率的黄土 古土壤孢粉研究,对于黄土高原历史时期植被的恢复与重建提供了直接的生物学证据。现代遥感数据显示黄土高原主要塬区为农业型生态环境,植被以旱作农作物为主,已无原生植被生长。最近12000aBP以来耀县剖面的孢粉记录显示,黄土高原南缘塬区植被经历了干草原—湿润性草原—干草原—湿润草原—草原5个阶段,表明在黄土高原南缘降水较丰富的半湿润地区,塬区植被仍以草原植被为主,无森林生长。渭南姜村、洛川和富县等塬区剖面的孢粉记录也显示出,全新世以来,即使在全新世高温期水分较现在丰沛的时期,黄土高原塬区植被仍以灌木、草本植物为主,并无森林生长。
Holocene high-resolution loess paleosol pollen study provides direct biological evidence for the restoration and reconstruction of vegetation in the historical period of the Loess Plateau. Modern remote sensing data show that the main loess plateau area for the agricultural ecological environment, vegetation as the main dry crops, no original vegetation growth. The sporopollen records of the Yao County section since the 12000aBP show that the vegetation on the southern margin of the Loess Plateau experienced five stages: the steppe - wet steppe - steppe - wet steppe - steppe, indicating that in the southern part of the Loess Plateau, In wet areas, the vegetation in the highland area is still dominated by grassland and no forest is growing. Sporopollen records in the sections of Jiangling, Weinan, Luochuan and Fuxian also show that since the Holocene, the vegetation on the Loess Plateau still shrubs and herbaceous plants, even in the high-temperature period of the Holocene, Lord, no forest growth.