Climatic limiting factors of North American ecosystems
A remote-sensing based vulnerability analysis
Bibliographic Data
| ID | 15547337 |
|---|---|
| Authors | Zihaohan Sang (0000-0003-4149-7271, University of Alberta, corresponding author), Andreas Hamann (0000-0003-2046-4550, University of Alberta) |
| Year | 2022 |
| Volume | 17 |
| Issue | 9 |
| Pages | 094011-094011 |
| Publication date | 2022-08-02 |
| 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/ac8608 |
| OpenAlex | W4289522035 |
| Language | EN |
| References cited | 46 |
Remote-sensing based vulnerability assessments to climate change are a research priority of critical importance for landscape-scale efforts to prioritize conservation and management of ecosystems. Limiting climatic factors can serve as a proxy for quantifying ecosystem vulnerability, since theory predicts that ecosystems close to critical climate thresholds will be more sensitive to interannual variation in limiting climate factors. Here, we analyze time series of enhanced vegetation index data for continental-scale vulnerability assessments. The analytical approach is a lagged monthly correlation analysis that accounts for memory effects from the previous growing season. Mapping multivariate correlation coefficients reveals that drought vulnerabilities can be found across the continent, including a distinct geographic band across the western boreal forest. The analytical approach reveals climate dependencies at high spatial and temporal resolution, with the direction and strength of correlation coefficients indicating the risk of threshold transgressions at the edge of species and ecosystem tolerance limits. The approach is further useful for hypothesis testing of contributing non-climatic factors to climatic vulnerability, allowing locally targeted management interventions to address climate change
Boreal · Climate change · Climatology · Ecosystem · Environmental resource management · Geography · Limiting · Physical geography · Proxy (statistics · Vegetation (pathology · Vulnerability (computing · Computer Science · Ecology and Vegetation Dynamics Studies · Ecosystem dynamics and resilience · Environmental Science · Fire effects on ecosystems · Ecology · Geology
Physiographically sensitive mapping of climatological temperature and precipitation across the conterminous United States
Overview of the radiometric and biophysical performance of the Modis vegetation indices
Sensitivity of global terrestrial ecosystems to climate variability
Divergent responses of vegetation cover in Southwestern US ecosystems to dry and wet years at different elevations
Canadian boreal forest greening and browning trends
| Highly cited | No |
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