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当前位置: 首页 > 文章 > 内蒙古皇甫川流域人工林地苔藓植物结皮层物种组成与微生境形成发育特征 生态学杂志 2015,34 (9) 2448-2456
Position: Home > Articles > Species composition of bryophyte crusts and microhabitat formation under artificial vegetations in Huangfuchuan Watershed,Inner Mongolia,China Chinese Journal of Ecology 2015,34 (9) 2448-2456

内蒙古皇甫川流域人工林地苔藓植物结皮层物种组成与微生境形成发育特征

作  者：
田桂泉;赵东平
单  位：
内蒙古师范大学生命科学与技术学院;内蒙古大学生命科学学院
关键词：
皇甫川流域;人工林;苔藓植物结皮层;物种组成;微生境;形成发育
摘  要：
在野外调查基础上研究了内蒙古皇甫川流域4种人工植被中间锦鸡儿(Caragana intermedia)灌丛、杨树(Populus simonii)林、侧柏(Platycladus orientalis)林、油松(Pinus tabuliformis)林苔藓植物结皮层物种组成及微生境藓类结皮层形成发育特点。发现苔藓植物8科、15属、23种,优势种双色真藓、真藓和土生对齿藓相对盖度和占各样地苔藓植物总盖度的95%以上。真藓、双色真藓和土生对齿藓在4种人工林地最薄结皮层个体高度分别在0~(0.93±0.04)、(0.72±0.03)~(1.82±0.04)和0~(2.82±0.08)mm,种群密度在0~(11.08±0.28)、(2.30±0.23)~(20.08±0.55)和0~(29.56±1.07)株·cm-2;最厚结皮层个体高度分别在(3.23±0.09)~(6.55±0.12)、(5.99±0.08)~(11.64±0.11)和(7.71±0.11)~(22.05±0.23)mm,密度在(64.34±1.54)~(400.12±2.87)、(216.23±3.23)~(356.27±2.19)和(32.27±0.99)~(236.03±2.48)株·cm-2;结皮层厚度、优势种地上部分和地下部分高度在不同样地之间有明显变化;依据物种分布、微生境藓类结皮形成发育特点和各指标相关性分析,提出了人工促进藓类结皮形成的措施。
译  名：
Species composition of bryophyte crusts and microhabitat formation under artificial vegetations in Huangfuchuan Watershed,Inner Mongolia,China
作  者：
TIAN Gui-quan;ZHAO Dong-ping;College of Life Science and Technology,Inner Mongolia Normal University;College of Life Science,Inner Mongolia University;
关键词：
Huangfuchuan Watershed;;artificial forest;;bryophyte crust;;species composition;;microhabitat;;formation and development.
摘  要：
Based on the investigation of bryophyte communities in four artificial vegetations including Caragana intermedia scrub,Populus simonii forest,Platycladus orientalis forest and Pinus tabuliformis forest in Huangfuchuan Watershed( Inner Mongolia),the species composition,mosses patches in microhabitats of the same vegetation,as well as the formation and development mechanism of bryophyte crusts were studied. A total of 23 species in 15 genera and 8 families of bryophytes were found. The sum of relative coverage of Bryum argenteum,B. dichotomum and Didymodon vinealis in four vegetations was above 95%. In the thinnest moss crust of microhabitats,the heights of B. argenteum,B. dichotomum and Didymodon vinealis were 0-( 0.93±0.04),( 0.72±0.03)-( 1.82±0.04) and 0-( 2.82±0.08) mm with the densities of 0-( 11.08±0.28),( 2.30±0.23)-( 20.08±0.55) and 0-( 29.56±1.07) plants·cm-2,respectively. In the thickest moss crust of the microhabitat,the heights of B. argenteum,B. dichotomum and D. vinealis were( 3.23±0.09)-( 6.55±0.12),( 5.99±0.08)-( 11.64±0.11) and( 7.71±0.11)-( 22.05±0.23)mm with the densities of( 64.34±1.54)-( 400.12±2.87),( 216.23±3.23)-( 356.27±2.19) and( 32.27±0.99)-( 236.03±2.48) plants·cm-2,respectively. Thickness of moss crusts,height of subterraneous section and above-ground section of plants of three kinds of dominant species were also obviously different among the four vegetations. Finally,some measures of artificially promoting formation of moss crusts were put forward based on the analysis of distribution of species,succession of moss crusts and correlations of all indexes of moss crusts in microhabitats.

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