IGSNRR OpenIR  > 历年回溯文献
Seasonal variation in chemistry, but not morphology, in roots of Quercus robur growing in different soil types
Zadworny M.; Mccormack, M. L.; Rawlik, K.; Jagodzinski, A. M.
Source PublicationTree Physiology
2015
Volume35
Issue6
Pages644-652
KeywordNitrogen Reserve Oak Forest Root Order Diversity Seasonal Variation Storage Pinus-syL.estris L. Branch Order Fine Roots Fraxinus-mandshurica Nutrient Resorption Frost Hardiness Life-span Nitrogen Tree Biomass
AbstractPatterns of root traits among different root orders and their variation across seasons are of considerable importance for soil resource acquisition and partitioning in forest ecosystems. We evaluated whether morphological, anatomical and biochemical traits varied among root orders of Quercus robur (L.) sampled across spring, summer and fall seasons and growing in two different soil types with contrasting site fertility. We found no consistent differences in root diameter and specific root length in relation to soil type or growing season. There was, however, a strong seasonal variation in patterns of nitrogen (N) concentration among root orders. During spring and summer, N concentration was highest in the most distal, absorptive portion of the root system. At the end of the growing season, we observed a sharp decline in the N concentration of these lower-order, absorptive roots and an increase in N concentration of the higher-order, transport roots. The specific mechanisms driving the seasonally changing N concentration remain unclear but are likely related to different functions of lower-order roots for absorption and higher-order roots for structure and storage. Future work should identify how common the observed seasonal changes in N concentration are across species and determine what specific environmental cues plants or roots use to trigger shifts in resource allocation within the root branching hierarchy.
Indexed BySCI
Language英语
ISSN0829-318X
DOI10.1093/treephys/tpv018
Citation statistics
Document TypeSCI/SSCI论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/39021
Collection历年回溯文献
Recommended Citation
GB/T 7714
Zadworny M.,Mccormack, M. L.,Rawlik, K.,et al. Seasonal variation in chemistry, but not morphology, in roots of Quercus robur growing in different soil types. 2015.
Files in This Item: Download All
File Name/Size DocType Version Access License
Zadworny-2015-Season(1301KB) 开放获取CC BY-NC-SAView Download
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[Zadworny M.]'s Articles
[Mccormack, M. L.]'s Articles
[Rawlik, K.]'s Articles
Baidu academic
Similar articles in Baidu academic
[Zadworny M.]'s Articles
[Mccormack, M. L.]'s Articles
[Rawlik, K.]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Zadworny M.]'s Articles
[Mccormack, M. L.]'s Articles
[Rawlik, K.]'s Articles
Terms of Use
No data!
Social Bookmark/Share
File name: Zadworny-2015-Seasonal variation i.pdf
Format: Adobe PDF
This file does not support browsing at this time
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.