北京百花山自然保护区树附生苔藓植物物种多样性  

Species diversity of epiphytic bryophytes in Baihua Mountain National Nature Reserve, Beijing

作　　者：田晔林[1] 李俊清[2] 石爱平[1] 于建军[1] 王文和[1] 

机构地区：[1]北京农学院园林学院,北京102206 [2]北京林业大学林学院,北京100083

出　　处：《生态学杂志》2013年第4期838-844,共7页Chinese Journal of Ecology

基　　金：北京市自然科学基金项目(6072006);北京市教委人才强教计划项目(PHR201008419)资助

摘　　要：北京百花山保护区树附生苔藓植物共有13科21属34种,其中优势科有丛藓科(Pottiaceae)、薄罗藓科(Leskeaceae)、绢藓科(Entodontaceae)、木灵藓科(Orthotrichaceae)和灰藓科(Hypnaceae),优势种有中华细枝藓(Lindbergia sinensis)、金灰藓(Pylaisiella polyantha)、细枝藓(L.brachyptera)、盔瓣耳叶苔(Frullania musicicola)等。海拔1200m以下地带(14种)、海拔1400～1500m地带(11种)以及海拔1700m以上地带(10种)是百花山树附生苔藓植物垂直分布的3个高峰。海拔1200～1300m为低谷(5种)。树附生植物物种Shannon指数最大的是白桦(Betula platyphylla)(1.816),最小的是核桃楸(Juglans mand-shurica)(1.500);山杨(Populus davidiana)树附生植物的Pielou均匀度指数最高(0.910),辽东栎(Quercus liaotungensis)最小(0.591);辽东栎Simpson指数最大(0.335),山杨最小(0.181);辽东栎Patrick指数最大(13),山杨和核桃楸最小(7)。树附生苔藓植物物种多样性大小与生境、树皮上的裂缝、水湿条件等相关。An investigation was conducted on the species diversity of epiphytic bryophytes in Baihua Mountain National Nature Reserve, Beijing in 2004-2010. A total of 495 specimens were recorded, belonging to 34 species, 21 genera, and 13 families, among which, Pottiaceae, Leskeaceae, Entodontaceae, Orthotrichaceae, and Hypnaceae were the dominant families, and Lindbergia sinensis, Pylaisiella polyantha, L. brachyptera, and Frullania musicicola were the dominant species. There were three peaks of the vertical distribution of the epiphytic bryophytes, i. e. , altitude 〈1200 m （14 species）, altitude 1400-1500 m （11 species）, and altitude 〉1700 m （10 species） , and only 5 species were distributed at altitude 1200-1300 m. Shannon index was the highest for Betula platyphylla （1. 816 ） and the smallest for Juglans mandshurica （1. 500）, Pielou evenness index was the highest for Populus davidiana （0. 910） and the smal- lest for Q. liaotungensis （0. 591 ）, Simpson index was the highest for Q. liaotungensis （0. 335） and the smallest for P. davidiana （0.181 ） , and Patrick index was the highest for Q. liaotungen- sis （13） and the smallest for P. davidiana and J. mandshurica （7）. The species diversity indi- ces of the epiphytic bryophytes were related to habitat, bark crack, and water availability.

关 键 词：树附生苔藓植物 物种多样性 北京百花山自然保护区 

分 类 号：Q948[生物学—植物学]