Arid
DOI10.1371/journal.pone.0134447
Key Factors Influencing Rapid Development of Potentially Dune-Stabilizing Moss-Dominated Crusts
Bu, Chongfeng1,2,3; Zhang, Kankan1; Zhang, Chunyun1; Wu, Shufang1,4
通讯作者Bu, Chongfeng
来源期刊PLOS ONE
ISSN1932-6203
出版年2015
卷号10期号:7
英文摘要

Biological soil crusts (BSCs) are a widespread photosynthetic ground cover in arid and semiarid areas. They have many positive ecological functions, such as increasing soil stability, and reducing water and wind erosion. Using artificial technology to achieve the rapid development of BSCs is expected to become a low-cost and highly beneficial ecological restoration measure. In the present study, typical moss-dominated crusts in a region characterized by mobile dunes (Mu Us Sandland, China) were collected, and a 40-day cultivation experiment was performed to investigate key factors, including watering frequency, light intensity and a nutrient addition, which affect the rapid development of moss crusts and their optimal combination. The results demonstrated that watering frequency and illumination had a significant positive effect (P=0.049, three-factor ANOVA) and a highly significant, complicated effect (P=0.000, three-factor ANOVA), respectively, on the plant density of bryophytes, and a highly significant positive effect on the chlorophyll a and exopolysaccharide contents (P=0.000, P=0.000; P=0.000, P=0.000; one-way ANOVA). Knop nutrient solution did not have a significant positive but rather negative effect on the promotion of moss-dominated crust development (P=0.270, three-factor ANOVA). Moss-dominated crusts treated with the combination of moderate-intensity light (6,000 lx) + high watering frequency (1 watering/2 days) - Knop had the highest moss plant densities, while the treatment with high-intensity light (12,000 lx) + high watering frequency (1 watering/2 days) + Knop nutrient solution had higher chlorophyll a contents than that under other treatments. It is entirely feasible to achieve the rapid development of moss crusts under laboratory conditions by regulating key factors and creating the right environment. Future applications may seek to use cultured bryophytes to control erosion in vulnerable areas with urgent needs.


类型Article
语种英语
国家Peoples R China
收录类别SCI-E
WOS记录号WOS:000358838400122
WOS关键词BIOLOGICAL SOIL CRUSTS ; MICROBIOTIC CRUSTS ; NEGEV-DESERT ; CULTURE ; RECOVERY
WOS类目Multidisciplinary Sciences
WOS研究方向Science & Technology - Other Topics
来源机构西北农林科技大学
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/189819
作者单位1.Northwest A&F Univ, Inst Soil & Water Conservat, Yangling 712100, Shaanxi, Peoples R China;
2.Chinese Acad Sci, Inst Soil & Water Conservat, Yangling 712100, Shaanxi, Peoples R China;
3.Minist Water Resources, Yangling 712100, Shaanxi, Peoples R China;
4.Northwest A&F Univ, Coll Water Resources & Architectural Engn, Yangling 712100, Shaanxi, Peoples R China
推荐引用方式
GB/T 7714
Bu, Chongfeng,Zhang, Kankan,Zhang, Chunyun,et al. Key Factors Influencing Rapid Development of Potentially Dune-Stabilizing Moss-Dominated Crusts[J]. 西北农林科技大学,2015,10(7).
APA Bu, Chongfeng,Zhang, Kankan,Zhang, Chunyun,&Wu, Shufang.(2015).Key Factors Influencing Rapid Development of Potentially Dune-Stabilizing Moss-Dominated Crusts.PLOS ONE,10(7).
MLA Bu, Chongfeng,et al."Key Factors Influencing Rapid Development of Potentially Dune-Stabilizing Moss-Dominated Crusts".PLOS ONE 10.7(2015).
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