沙坡头固沙区蓝藻的生物量和群落结构特征

闫沛迎; 屈建军; 肖建华

doi:10.13961/j.cnki.stbctb.2017.06.012

您当前的位置：

首页 >

文章列表页 >

沙坡头固沙区蓝藻的生物量和群落结构特征

试验研究

- 沙坡头固沙区蓝藻的生物量和群落结构特征
- Biomass and Community Structure of Cyanobacteria in Shapotou Sand Fixation Area
- 水土保持通报 2017年37卷第6期页码：75-79
- 作者机构：
  
  中国科学院西北生态环境资源研究院敦煌戈壁荒漠生态与环境研究站/沙漠与沙漠化重点实验室,甘肃,兰州,730000
- 作者简介：
- 基金信息：
  
  青海黄河上游水电开发有限责任公司“光伏产业带动生态建设试点项目”（90Y490B21）
- DOI：10.13961/j.cnki.stbctb.2017.06.012
  中图分类号：
- 纸质出版：2017
- 稿件说明：
移动端阅览
闫沛迎, 屈建军, 肖建华. 沙坡头固沙区蓝藻的生物量和群落结构特征[J]. 水土保持通报, 2017,37(6):75-79.

YAN Peiying, QU Jianjun, XIAO Jianhua. Biomass and Community Structure of Cyanobacteria in Shapotou Sand Fixation Area[J]. Bulletin of Soiland Water Conservation, 2017, 37(6): 75-79.
闫沛迎, 屈建军, 肖建华. 沙坡头固沙区蓝藻的生物量和群落结构特征[J]. 水土保持通报, 2017,37(6):75-79. DOI： 10.13961/j.cnki.stbctb.2017.06.012.

YAN Peiying, QU Jianjun, XIAO Jianhua. Biomass and Community Structure of Cyanobacteria in Shapotou Sand Fixation Area[J]. Bulletin of Soiland Water Conservation, 2017, 37(6): 75-79. DOI： 10.13961/j.cnki.stbctb.2017.06.012.

摘要

[目的

]

揭示不同沙生灌木不同栽植年限根部和尼龙网格内表层的蓝藻生物量和群落结构特征，阐明蓝藻在不同沙生灌木根部和尼龙网格内表层的定殖情况。[方法

]

用显微镜计数法和体积换算法测得蓝藻的生物量；根据蓝藻种的形态、结构、大小等特点，利用《中国淡水藻类》、《中国淡水藻志》等参考书将其鉴定到种。[结果

]

① 3种沙生灌木不同栽植年限根部和尼龙网格内表层的生物量不同。1956年花棒根部的蓝藻个体数量最高（9.84×10

个/g），而1981年花棒和1987年油蒿的最低（3.16×10

个/g）；1964年油蒿根部的蓝藻平均总体积最大（1.04×10

μm

/g），而1964年柠条的最低（6.00×10

μm

/g）；1987年油蒿根部的丝状蓝藻百分比最高（98.4%），而尼龙网格内表层的最低（38.75%）；② 3种沙生灌木不同栽植年限根部和尼龙网格内表层的群落结构不同。共分离出25种蓝藻，属于色球藻目、颤藻目和念珠藻目。其中，巨颤藻最常见，且分离出点型念珠藻、嫩柔微毛藻和线形眉藻3种固氮蓝藻。[结论

]

3种沙生灌木根部的蓝藻生物量高，种类丰富，说明这3种沙生灌木根部是蓝藻定殖与繁衍的有利场所。

Abstract

[Objective] This study aimed to reveal cyanobacterial biomass and community structure within shielding nylon mesh in different shrub roots with different plantation ages and within shielding nylon mesh

and to clarify the colonized states of cyanobacteria in different shrub roots and within nylon mesh.[Methods] Biomass of cyanobacteria were measured by counting and volume conversion with microscope and these cyanobacteria were identified according to their morphology

structure

size and other characteristics with toxomony book "freshwater algae of China" and so on.[Results] Number of cyanobacteria was as the highest as 9.84×108 cell/g in the root of Hedysarum scoparium which was planted in 1956

and were the lowest(3.16×108 cells/g) in the root of Hedysarum scoparium planted in 1981 and in the root of Artemisia ordosic planted in 1987. Average total volume of cyanobacteria was the highest(1.04×1013 μm3/g) in the root of Artemisia ordosic planted in 1964

and the lowest(6.00×1011 μm3/g) in the root of Carnage intermedia planted in 1964. The percentage of filamentous cyanobacteria was the highest(98.4%) in the root of Artemisia ordosic planted in 1987

and the lowest(38.75%) within nylon mesh. Totally 25 cyanobacteria

mainly belonging to Chroococcales

Oscillatoriales and Nostocales

were found. Among them

Oscillatoria princeps is the most dominant cyanobacteria

and Nostoc punctiforme

Microchatetenera thuret and Calothrix linearis were recognized.[Conclusion] Cyanobacterial biomass and their diversity of three kinds of shrub roots were found higher

probably their rhizosphere habitats are favorable for cyanobacterial colonization and reproduction.

关键词

Keywords

references

肖洪浪,李新荣,宋耀选,等.土壤-植被系统演变对生物防沙工程的影响[J].林业科学,2004,40(1):24-30.

张军红.毛乌素沙地油蒿群落生物结皮的分布特征[J].水土保持通报,2014,34(3):227-230.

Li Xinrong, Zhang Jingguang, Wang Xinping, et al. Study on microbiotic crust and its influences on sand fixing vegetation in arid desert region[J]. Acta Botanica Sinica, 2000,42(9):965-970.

谢作明,陈兰洲,李敦海,等.土壤丝状蓝藻在荒漠治理中的作用研究[J].水生生物学报,2007,31(6):886-889.

Castenholz R W, Garcia-Pichel F. Cyanobacterial responses to UV-radiation[M]//Whitton B A, Potts M. Ecology of Cyanobacteria:Their Diversity in Time and Space. Dordrecht:Kluwer Academic Publishers, 2000:342-348.

闫佳毅,张宇清,秦树高,等.不同水分条件下苔藓结皮光合能力对氮素添加量的响应[J].水土保持通报,2015,35(6):75-80.

Elbert W, Weber B, Burrows S, et al. Contribution of cryptogamic covers to the global cycles of carbon and nitrogen[J]. Nature Geoscience, 2012,5(7):459-462.

Belnap J, Lange O L. Biological Soil Crusts:Structure, Function and Management[M]. Berlin, Germany:Springer, 2003:503.

Ĉapková K, Hauer T, Reháková K, et al. Some like it high! Phylogenetic diversity of high-elevation cyanobacterial community from biological soil crusts of Western Himalaya[J]. Microbial Ecology, 2016,71:113-23.

Hu Chunxiang, Zhang Delu, Liu Yongding. Research progress on algae of the microbial crusts in arid and semiarid regions[J]. Progress in Natural Science, 2004,14(4):289-295.

Lan Shubin, Wu Li, Zhang Delu, et al. Assessing level of development and successional stages in biological soil crusts with biological indicators[J]. Microbial Ecology, 2013,66(2):394-403.

Wu Li, Lan Shubin, Zhang Delu, et al. The structure and small-scale vertical distribution of the algae in lichen soil crusts[J]. Microbial Ecology, 2011,62(3):715-724.

赵洋.不同类型生物土壤结皮对土壤呼吸的影响[D].甘肃兰州:中国科学院西北生态环境资源研究院,2013.

邵玉琴,赵吉.不同固沙区结皮中微生物生物量和数量的比较研究[J].中国沙漠,2004,24(1):68-71.

漆良华,张旭东,彭镇华,等.不同植被恢复模式下中亚热带黄壤坡地土壤微量元素效应[J].应用生态学报,2008,19(4):735-740.

Hinsinger P. Bioavailability of soil inorganic P in the rhizosphere as affected by root induced chemical changes:A review[J]. Plant and Soil, 2001,237(2):173-195.

弋良朋,马健,李彦.荒漠盐生植物根际土壤盐分与养分特征[J].生态学报,2007,27(9):3565-3571.

Hu Chunxiang, Zhang Delu, Liu Yongding, et al. The vertical microdistribution of cyanobacteria and green algae within desert crusts and the development of the algal crusts[J]. Plant and Soil, 2003,257(1):97-111.

胡春香,刘永定,宋立荣,等.半荒漠结皮中藻类的种类组成和分布[J].应用生态学报,2000,11(1):61-65.

浏览量

965

下载量

CSCD

文章被引用时，请邮件提醒。

提交

工具集

关联资源

放牧强度对干旱区白墩子盐沼湿地土壤与植被的影响

吐鲁番市不同年限人工梭梭林防风固沙效益及其与生物量的关系

高压电场对毛乌素沙地两种优势植物抗旱性的影响

不同土壤水分对幼龄梨树生理特性及生物量的影响

不同灌溉量对紫花苜蓿生长特性及生物量的影响