喀斯特峰丛洼地小流域石生苔藓植物初步研究  

Preliminary study on lithophytic bryophytes in small watershed of karst peak-cluster depression areas

作　　者：刘讯 叶红环 张延威 LIU Xun;YE Honghuan;ZHANG Yanwei(School of Biological Sciences,Guizhou Education University,Guiyang 550018,China;Guizhou Botanical Garden,Guiyang 550004,China)

机构地区：[1]贵州师范学院生物科学学院,贵州贵阳550018 [2]贵州省植物园,贵州贵阳550004

出　　处：《贵州科学》2022年第1期67-71,共5页Guizhou Science

基　　金：贵州省社发攻关项目(黔科合SY4〔2013〕3164号);贵州省一流专业项目(教高厅函〔2019〕46号);贵州师范学院一流培育学科建设项目(2019YLPYXKB01)。

摘　　要：通过野外调查、标本鉴定及查阅相关文献资料的方法,对毕节喀斯特峰丛洼地小流域内石生苔藓植物进行研究。结果表明:该研究区共有苔藓植物20科41属66种,其中苔类3科3属3种,藓类17科38属63种。优势科5科,优势属7属,仅含1种的科有5科,仅含1种的属有26属。该研究区石生苔藓植物区系成分复杂多样,以温带分布为主,共42种,占总种数的68.85%,其中东亚分布最多,有19种,占总种数的31.15%,说明该区石生苔藓植物属于东亚植物区系,同时有11种中国特有成分分布,说明该区石生苔藓植物具有地域特殊性。Based on the methods of field investigation,specimen identification and literature review,the lithophytic bryophytes in the small watershed of karst peak-cluster depression areas in Bijie were studied.The results showed that there were 66 species of bryophytes in the area,belonging to 41 genera and 20 families,including 3 species(3 genera and 3 families)of liverworts,and 63 species(38 genera and 17 families)of mosses.There were 5 dominant families and 7 dominant genera.There were 5 families containing only one species,and 26 genera containing only one species.The flora composition of the lithophytic bryophytes in this area was complex and diverse,with 42 species distributed in the temperate zone,accounting for 67.74%of all the species.19 species were distributed in East Asia,accounting for 30.65%of all the species,indicating that the lithophytic bryophytes in this area belonged to the East Asian flora.11 species were endemic to China,indicating that the lithophytic bryophytes in this area had regional particularity.

关 键 词：喀斯特峰丛洼地 石生苔藓 区系分布 

分 类 号：Q949.35[生物学—植物学]