Simulating interactions between topography, permafrost, and vegetation in Siberian larch forest
Bibliographic Data
| ID | 15545207 |
|---|---|
| Authors | Hisashi Sato (0000-0002-6510-4914, Japan Agency for Marine-Earth Science and Technology, corresponding author), Hideki Kobayashi (0000-0001-9319-0621, Japan Agency for Marine-Earth Science and Technology), Christian Beer (0000-0002-5377-3344, Stockholm University), Alexander Fedorov (0000-0001-5501-3149), Alexander N Fedorov (0000-0002-4016-2149, North-Eastern Federal University) |
| Year | 2020 |
| Volume | 15 |
| Issue | 9 |
| Pages | 095006-095006 |
| Publication date | 2020-06-11 |
| Peer Reviewed | Yes |
| Open Access | Yes |
| Type | ARTICLE |
| Venue | Environmental Research Letters (JOURNAL) |
| Journal identifiers | ISSN: 1748-9326 • E-ISSN: 1748-9326 |
| Publisher | IOP Publishing (PUBLISHER • GB) |
| DOI | 10.1088/1748-9326/ab9be4 |
| OpenAlex | W3034558061 |
| Language | EN |
| Citations received | 2 |
| References cited | 35 |
In eastern Siberia, topography controls the abundance of the larch forest via both drought and flooding stresses. For the reconstruction of these topographical effects, we modified a dynamic vegetation model to represent soil water relocation owing to within-grid heterogeneity of elevation, over-wet-kill of trees, and air temperature differences within-grid. After calibration, the model reasonably reconstructed the geographical distributions of observation-based-estimates of fundamental properties of plant productivity and thermo-hydrology. Thus, the model appropriately responded to environmental gradients in eastern Siberia. The modified model also partially reconstructed the topography control on tree abundance and thermo-hydrology status in eastern Siberia, although its geographical distribution was not always good. In the modified model, soil water redistribution increased the risk of over-wet-kill in lower elevation classes, whereas it reduced the risk of over-wet-kill for larch trees in higher elevation classes. We demonstrated that without considering the latter effect, forest collapse due to over-wet stress would happen throughout eastern Siberia under a forecasted climatic condition during the 21st century, which will deliver a much moister environment throughout eastern Siberia. Therefore, modeling the over-wet-kill of trees without considering topographical heterogeneity would result in the overestimation of forest collapse caused by the over-wet-kill of trees under an expected climate trend in eastern Siberia
Elevation (ballistics · Flooding (psychology · Geography · Geomorphology · Hydrology (agriculture · Larch · Permafrost · Physical geography · Snow · Vegetation (pathology · Climate change and permafrost · Cryospheric studies and observations · Environmental Science · Tree-ring climate responses · Ecology · Geology
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| Unique citing works | 2 |
|---|---|
| Citations per year | 0,5 |
| Citation span | 2022 - 2024 (3) |
| Citation velocity | recent |
| Highly cited | No |
| Citation types | Neutral: 2 |