黄河三角洲两种水盐生境下芦苇植被根系特征差异研究

CORC > 烟台海岸带研究所 > 中国科学院烟台海岸带研究所 > 中科院海岸带环境过程与生态修复重点实验室 > 近岸生态与环境实验室

	黄河三角洲两种水盐生境下芦苇植被根系特征差异研究
	田晓燕 1; 高楠 1,2; 陆冠茹 1,2; 杨锦媚 2,3; 路峰 4; 于君宝 5; 王雪宏 5; 管博 2
刊名	生态科学
	2021
卷号	40 期号:2 页码:1-8
关键词	芦苇潮水生境淡水生境电导率生物量
ISSN号	1008-8873
其他题名	Study on the differences of root spatial distribution characteristics of Phragmites australis in two different water-salt habitats in the Yellow River Delta
文献子类	Article
英文摘要	In order to study the growth differences of Phragmites australis, especially the differences of root ecological characteristics, between the tidal and fresh water habitats of the Yellow River Delta, two typical habitats of P. australis in tidal and fresh water habitats were chosen, and the electrical conductivity (EC) and pH of different soil layers were measured; the height, density, biomass of stem, leaf, main and fibrous root and ion content in different soil layers of P. australis were also analyzed. The results showed that the EC of surface soil (0-10 cm) was higher than that of the lower soil in both habitats and the minimum EC was tested in 20-30 cm soil layer. However, with the increase of soil depth deeper than 20-30 cm, the EC value increased and the pH decreased. The mean density and height of P. australis were (20.805.93) stem·m~(-2) and (35.7016.01) cm in tidal area, (309.60 39.15) stem·m~(-2) and (91.48 13.09) cm in fresh water habitat, separately. In terms of biomass allocation, the proportion of the main root, fibrous root, stem and leaf of P. australis in tidal and fresh water habitats were 79.70%, 11.88%, 6.79%, 1.64% and 66.77%, 8.76%, 18.54%, 5.92%, respectively. The main and fibrous root biomass of P. australis in fresh water habitat was mainly concentrated in 0-30 cm and 0-10 cm(68.1838.99) g·m~(-2) soil layer, respectively. And the main root biomass of P. australis in tidal water area was mainly concentrated in 20-3 0cm (146.57109.94) g·m~(-2) soil layer. After analyzing the ion content of roots in two habitats, we found the average content of Na~+ and K~+ in the main root of P. australis from tidal water habitat were (6.381.56) mg·g~(-1) and (1.080.17) mg·g~(-1) respectively, and the distribution of Na~+ and Cl- had a significantly positive correction (P<0.01). The average contents of these two ions in the main root of P. australis in fresh water habitat were (2.820.56) mg·g~(-1) and (3.931.10) mg·g~(-1) respectively. The results show that P. australis can adjust the height, density and biomass allocation of different organs and the distribution of ions to adapt to the different salt-water environment, which is the typical adaptation mechanism of P. australis in high-salt areas.
语种	中文
CSCD记录号	CSCD:6958558
资助机构	国家自然科学基金项目 ; 国家自然科学基金山东联合基金重点支持项目 ; 国家重点研发计划项目
内容类型	期刊论文
源URL	[http://ir.yic.ac.cn/handle/133337/30285]
专题	烟台海岸带研究所_近岸生态与环境实验室
作者单位	1.吉林建筑大学,市政与环境工程学院,长春130118; 2.中国科学院海岸带环境过程与生态修复重点实验室(烟台海岸带研究所),山东省海岸带环境过程重点实验室,中国科学院烟台海岸带研究所,烟台264003; 3.河南理工大学,资源环境学院,焦作454000; 4.山东黄河三角洲国家级自然保护区管理委员会,东营257091; 5.鲁东大学,滨海生态高等研究院,烟台264025
推荐引用方式 GB/T 7714	田晓燕,高楠,陆冠茹,等. 黄河三角洲两种水盐生境下芦苇植被根系特征差异研究[J]. 生态科学,2021,40(2):1-8.
APA	田晓燕.,高楠.,陆冠茹.,杨锦媚.,路峰.,...&管博.(2021).黄河三角洲两种水盐生境下芦苇植被根系特征差异研究.生态科学,40(2),1-8.
MLA	田晓燕,et al."黄河三角洲两种水盐生境下芦苇植被根系特征差异研究".生态科学 40.2(2021):1-8.