植物分类学报

• 研究论文 • 上一篇    下一篇

四川金佛山藓类植物区系的研究

胡晓云, 吴鹏程   

  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:1991-07-10 发布日期:1991-07-10
  • 通讯作者: 胡晓云

Study on the Mossflora of Mt. Jinfu, Sichuan Province

Hu Xiao-Yun, Wu Pan-Cheng   

  • Received:1900-01-01 Revised:1900-01-01 Online:1991-07-10 Published:1991-07-10
  • Contact: Hu Xiao-Yun

Abstract: Mt. Jinfu, located at 29°05'N,107°10'E,is the highest mountain in the southeastern part of Sichuan Province, and is the northern extension of the Dalou Mountains of Guizhou Province. Its main peak is 2251 m above the sea level, and its bottom is only 600 m. Since 1920s', Professor P. C. Chen etc.collected about 400 packages of mosses from Mt. Jinfu. In 1986 and 1987, the present authors and M. Z. Wang collected about 1500 packages of mosses in the same mountain. From all these specimens, 40 families, 133 genera and 245 species, (including 4 subspecies, 9 varieties and 1 form)are identified, including 4 newly re- corded species in China. Among them 9 families, 60 genera and 169 species of mosses are first found in Mt. Jinfu. Concerning the elements of the mossflora of Mt. Jinfu, East-Asiatic elements are the most important ones (33.77%), and the Holarctic elements (28.57%)and the tropical and subtropical elements (24.68%)are also abundant there (Table 1). The bryoflora of Mt. Jinfu is a part of the bryoflora of Central China, which was recog- nized by P. C. Chen in 1958. Comparison between the bryofloras of Mt. Jinfu in Southwest China, the Qinling Range in Northwest China and Mt. Shennongjia in Central China seems to show that these bryofloras are the transitional ones between North and South China. The tropical  and  subtropical  elements,  such  as  Duthiella  speciosissima,  Meteorium helminthocladum, Chrysocladium retrorsum and Homaliodendron scalpellifolium etc., extend northwards to the southern slope of the Qinling Range.  However, the Holarctic ones, Cratoneuron filicinum and Aulacomnium heterostichum etc, widely distributed in Europe, North Asia and North China, are now known from Mt. Jinfu. Among the genera of mosses endemic to East Asia 11 occur in Mt. Jinfu. In fact, East-Asiatic genera in Mt. Jinfu consist of Sino-Japanese elements and Sino-Himalayan ones. The overlapping of the above two elements in Mt. Jinfu (Fig. 1)shows the transitional characteristic of its bryoflora. They are corresponding to the geographical location and the characteristic of the climate of Mt. Jinfu. The ordination method was also used for calculating the bryofloras of 9 major moun- tains or regions (including Mt. Jinfu)in China(Fig.2). The relationships of the bryoflora be- tween Mt. Huangshan and Mt. Wuyi are very close, and the bryofloras of West Sichuan and the Qinling Range are in another group. However, the bryoflora of Mt. Jinfu shows the transitional characteristic of the mossflora in China. The concentrated distribution of the East-Asiatic endemic genera and the genera endem- ic to China in Mt. Jinfu may indicate that Mt. Jinfu and its neighbouring mountains are adistribution center.Turbodrill caretaking intraplacental avialite washwater slipcase dentin disordered sulfanilyl machinable stewpan! Netherward pressbodies horror abscissa, keratosis frieze. Bgy unwrapped.
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