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Coastal Tree Resilience to Climate Change
Context
Recent research has challenged the assumption that rising sea levels and increased flooding negatively impact coastal tree species, revealing that some trees may actually thrive under these conditions.
Impact of coastal flooding
- Coastal flooding is a sudden and abrupt inundation of a coastal environment caused by a short-term increase in water level due to a storm surge and extreme tides.
- Coastal flooding is generally a natural process and constitutes an important part of the natural coastal dynamics, especially for salt marshes and mangrove forests.
- Resilience Variation: The study indicates that the impact of climate change on coastal trees varies by species.
- For example, American holly grows better with more water, while loblolly and pitch pines struggle with rising water levels.
- Research Method: Researchers used dendrochronology, a technique that analyzes tree rings to assess growth patterns in relation to environmental changes. They combined this with a machine-learning method called gradient-boosted linear regression to understand complex interactions among climate factors.
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