Analysis of spatio-temporal patterns of CO2 and H2O fluxes in relation to crop growth under field conditions
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Identification
| Title: | Main Title: Analysis of spatio-temporal patterns of CO2 and H2O fluxes in relation to crop growth under field conditions |
| Description: | Abstract: This study aimed at observing and analyzing spatial and temporal patterns of growth and CO2 and H2O fluxes in winter wheat (Triticum aestivum L.) and winter barley (Hordeum vulgare L.) under heterogeneous soil conditions. Canopy level gas exchange, dry matter, leaf area development and plant available water were measured for this purpose at eight different observation points in three consecutive years (2011 – 2013) in a 0.72 ha 21 farmer’s field with variable soil conditions. Results show that the dynamics of crop growth patterns and carbon and water fluxes can have a high spatial and inter-annual variability depending on the underlying water supply patterns. Vegetation patterns arise from responses of growth processes and LAI development to drought stress. Flux patterns could be linked to soil heterogeneity and leaf area development patterns. This has implications for the choice of scale and complexity in applying crop growth models at the field level, indicating a sensible and variable selection of model setup depending on the degree of present environmental drivers of plant growth and gas exchange. |
Responsible Party
| Creators: | Moritz Kupisch (Author), Anja Stadler (Author), Matthias Langensiepen (Author), Frank Ewert (Author) |
| Publisher: | Elsevier, Amsterdam, the Netherlands |
| Publication Year: | 2014 |
Topic
| TR32 Topic: | Vegetation |
| Related Subproject: | B5 |
| Subjects: | Keywords: Photosynthesis, Transpiration, Canopy Gas-Exchange, Spatial Heterogeneity |
File Details
| Filename: | FIELD-S-14-00883-1.pdf |
| Data Type: | Text - Article |
| File Size: | 781 KB |
| Date: | Submitted: 23.07.2014 |
| Mime Type: | application/pdf |
| Data Format: | |
| Language: | English |
| Status: | Completed |
Constraints
| Download Permission: | Only Own Subproject |
| General Access and Use Conditions: | According to the TR32DB data policy agreement. |
| Access Limitations: | According to the TR32DB data policy agreement. |
| Licence: | [TR32DB] Data policy agreement |
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Specific Information - Publication
| Publication Status: | Submitted |
| Review Status: | Peer reviewed |
| Publication Type: | Article |
| Article Type: | Journal |
| Source: | Field Crops Research |
| Number of Pages: | ( - ) |
Metadata Details
| Metadata Creator: | Anja Stadler |
| Metadata Created: | 05.09.2014 |
| Metadata Last Updated: | 05.09.2014 |
| Subproject: | B5 |
| Funding Phase: | 2 |
| Metadata Language: | English |
| Metadata Version: | V50 |
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Dataset Statistics
| Page Visits: | 756 |
| Metadata Downloads: | 0 |
| Dataset Downloads: | 2 |
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