Air moisture and soil texture are crucial for the water dynamics of riparian bamboo in a subtropical region
- PDF / 612,889 Bytes
- 15 Pages / 547.087 x 737.008 pts Page_size
- 34 Downloads / 186 Views
REGULAR ARTICLE
Air moisture and soil texture are crucial for the water dynamics of riparian bamboo in a subtropical region Guo Chen & Xiaolu Tang & Chunju Cai & Shaohui Fan & Luanzi Sun & Fang Yang & Haitao Liu
Received: 5 May 2020 / Accepted: 24 August 2020 # Springer Nature Switzerland AG 2020
Abstract Aims This study investigated the influence of soil properties and plant age on the water use pattern of Bambusa rigida at different distances from a river during the dry season. Methods The oxygen and hydrogen isotope compositions (δ18O and δ2H) of soil water and culm water in B. rigida forests from sites located at different distances Responsible Editor: Susan Schwinning Electronic supplementary material The online version of this article (https://doi.org/10.1007/s11104-020-04696-w) contains supplementary material, which is available to authorized users. G. Chen : X. Tang (*) College of Ecology and Environment, Chengdu University of Technology, Chengdu 610059 Sichuan, People’s Republic of China e-mail: [email protected] C. Cai (*) : S. Fan Key Laboratory of Bamboo and Rattan Science and Technology of National Forestry and Grassland Administration, International Centre for Bamboo and Rattan, Beijing 100102, China e-mail: [email protected]
from a river (site A: beside the river with high air moisture; site B: 200 m from the river with high clay content; site C: 400 m from the river with low clay content) were measured. Results Water uptake was not affected by plant age during early summer. Bambusa rigida at site A were able to use water from the soil organic horizon and moist air contributed 26% and 16% of soil water in this layer during winter and early summer. Bambusa rigida mainly took up water from soil layers with a high clay content at a depth < 50 cm due to the high water storage of these layers, although a high clay concentration weakened water uptake of bamboo roots at greater depths. Conclusions This study is the first to identify the importance of air moisture for water dynamics of riparian bamboo and offers new insights into water use strategies of riparian B. rigida. Keywords Water use . Soil dynamic . Stable isotopes . Riverside . Soil texture
Introduction L. Sun College of Grassland Agriculture, Northwest A&F University, Yangling 712100 Shaanxi, China F. Yang College of Resources and Environment, Jilin Agricultural University, Changchun 130118, China H. Liu Resources and Environment College, Henan Agricultural University, Zhengzhou 450002 Henan Province, China
Bambusa rigida is an ecologically and economically important bamboo species characterized by a shallow root system (Kleinhenz and Midmore 2001). This bamboo species is widely distributed in southern China and normally grows along riparian zones. Bambusa rigida groves with a stem density of up to 1500 ha have been recorded in Changning County, Sichuan Province, China (Lin et al. 2018). Young B. rigida plants start
Plant Soil
growing in early summer and reach a maximum height and diameter within 90–120 days with rapid accumulation of bioma
Data Loading...
