【摘要】 <正> 东北地区包括辽宁省、吉林省、黑龙江省以及内蒙古东部大兴安岭地区。本区的苔藓植物研究历史可分两个阶段。 解放前,俄国的I.V.Kozloff(1932),芬兰的V.F.Brotherus(1906,1929),英国的H.N.Dixon(1934),日本的小林胜、岩崎二三、野口彰和吉良龙更多还原

【Abstract】 1. The location of Northeast China is 38°30′—54°30′ N. Lat. and 115°—135°30′ E. Lang. In this area there are many rivers, such as Heilongjiang, Songhuajiang, Nenjiang, Liaohe, etc. The Greater and Lesser Xingan Mountains are in the north, the Xhangkuangtsai and Wanda Mountains are in the north-east, the Chang Bai Mountains are in the south-east and the Fenghuang and Qian Mountains are in the south; the central and southern parts are a large plain.2. The hepaticae of Northeast China include 32 families,56 genera, 175 species, 7 varieties and 2 forms. The novelties added in "Flora Hepaticarum China Boreali-Orientalis", are: new species 18; new varieties 3, new form 1; new combinations 3.3. The history of study of the bryophyta in Northeast China.4. Floristic analysis of hepaticae in Northeast China.(1) Holarctic element……93 spp. (50.7％);(2) Eastern Asiatic temperate……51 spp. (28％);(3) Tropical……3 spp. (1.6％);(4) Endemic in Northeast China……25 spp. (13.7％);(5) Cosmopolitan……11 spp. (6％).5. Analysis of geographic distribution of hepaticae in Northeast China.(1) The influence of glacial stage and interglacial stage on the hepaticae in Northeast China;(2) The influence of the subsidence. of the earth’s crust on the hepaticae in Northeast China;(3) The influence of maritime climate on the hepaticae in Northeast China;(4) The influence of desert of the Monggol-Xinjiang on the hepaticae in Northeast China.更多还原