This paper analyzed the severe drought that took place in the five provinces of Northern China in 1920.Study suggested that the severe damage caused by the drought was resulted from many reasons,such as certain specif...This paper analyzed the severe drought that took place in the five provinces of Northern China in 1920.Study suggested that the severe damage caused by the drought was resulted from many reasons,such as certain specific natural conditions,deterioration of ecological environment,malformations of the rural economy and turbulence of domestic politics.However,some new phenomena took shapes during this time disaster relief activity.展开更多
文摘通过野外调查、标本鉴定及文献查阅,发现陕西省被子植物分布新记录8种,分别为神农架铁线莲(Clematis shenlungchiaensis M.Y.Fang)、南川景天(Sedum rosthornianum Diels)、皱叶雀梅藤(Sageretia rugosa Hance)、盐芥〔Eutrema salsugineum(Pall.)Al-Shehbaz et Warwick〕、神农架蓼(Koenigia hedbergii Bo Li et W.Du)、薄叶新耳草〔Neanotis hirsuta(Linn.f.)W.H.Lewis〕、水蓑衣〔Hygrophila ringens(Linn.)R.Brown ex Spreng.〕、水蜡烛〔Pogostemon yatabeanus(Makino)Press〕。此外,新耳草属(Neanotis W.H.Lewis)、水蓑衣属(Hygrophila R.Br.)和刺蕊草属(Pogostemon Desf.)为陕西省新记录属。
文摘This paper analyzed the severe drought that took place in the five provinces of Northern China in 1920.Study suggested that the severe damage caused by the drought was resulted from many reasons,such as certain specific natural conditions,deterioration of ecological environment,malformations of the rural economy and turbulence of domestic politics.However,some new phenomena took shapes during this time disaster relief activity.
