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Isotopic (δ14c,δ13c) and Anatomical Study on Radial Increment Layers of a Typical Shrub (haloxylon Ammodendron) from the Gurbantünggüt Desert, Northwestern China
| Content Provider | Semantic Scholar |
|---|---|
| Author | Li, Junfeng |
| Copyright Year | 2014 |
| Abstract | ........................................................................................................................... I Chapter 1. General Introduction ...................................................................................... 5 1.1. Drylands and Desertification ................................................................................................................... 5 1.2. The “Three-North” Shelterbelt project ................................................................................................. 6 1.3. Ecology and local ecological environment in Xinjiang ................................................................... 7 1.4. Haloxylon ammodendron............................................................................................................................ 8 1.5. Dendrochronology and radiocarbon (14C) dating ......................................................................... 10 1.6. Stable isotopes in tree rings: history and background ................................................................ 11 1.7. Radial increment layer through successive cambia (RISC layer) ............................................ 12 1.8. Aims of this thesis...................................................................................................................................... 14 Chapter 2 Materials and Experimental Methodology ................................................... 16 2.1. Sample descriptions ................................................................................................................................. 16 2.2. Isotopic experimental methodology .................................................................................................. 19 2.2.1. The α-cellulose extracting ............................................................................................ 19 2.2.2. The CO2 gas producing ................................................................................................ 20 2.2.3. The CO2 gas purifying ................................................................................................. 20 2.2.4. The 13 C measurement ................................................................................................... 21 2.2.5. Graphitization of the CO2 gas ...................................................................................... 22 2.2.6 The 14 C analysis ............................................................................................................ 23 2.3. Radial increment layer width measurement ................................................................................... 24 2.4. Anatomical microstructural features research .............................................................................. 24 2.4.1. Wood staining............................................................................................................... 24 2.4.2. SEM micrograph .......................................................................................................... 24 Chapter 3. Radiocarbon dating and Radial growth rate ................................................ 26 3. |
| File Format | PDF HTM / HTML |
| DOI | 10.14945/00008736 |
| Alternate Webpage(s) | https://shizuoka.repo.nii.ac.jp/index.php?action=pages_view_main&active_action=repository_action_common_download&attribute_id=31&block_id=21&file_no=3&item_id=7091&item_no=1&page_id=13 |
| Alternate Webpage(s) | https://doi.org/10.14945/00008736 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
