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Updated: Sep 22, 2025

Simulating Impacts of Ice Storms on Forest Ecosystems
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Hurricanes increase tropical forest vulnerability to drought.

Chris M Smith-Martin1, Robert Muscarella2, Roi Ankori-Karlinsky1

  • 1Department of Ecology, Evolution and Environmental Biology, Columbia University, 1200 Amsterdam Avenue, New York, NY, 10027, USA.

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|May 24, 2022
PubMed
Summary
This summary is machine-generated.

Tropical forests face changing climates and disturbances. This study reveals how hydraulic traits influence hurricane response and long-term forest recovery, impacting drought vulnerability.

Keywords:
Hurricane HugoP50 xylem optical vulnerability curvescoastal tropical forestscyclonic stormforest successionplant hydraulicsplant-climate interactionstropical trees and palms

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Area of Science:

  • Ecology
  • Forest Science
  • Climate Change Biology

Background:

  • Tropical forests are vulnerable to climate change and disturbances like hurricanes and droughts.
  • Understanding the combined impacts of these disturbances is crucial for predicting forest futures.
  • Hydraulic traits play a key role in plant responses to environmental stress.

Purpose of the Study:

  • To investigate the relationship between hurricane response (damage, mortality, resilience) and hydraulic traits in dominant tropical woody species.
  • To assess how these relationships change over 26 years of post-hurricane recovery.
  • To determine the implications for forest vulnerability to drought under changing disturbance regimes.

Main Methods:

  • Studied 13 dominant woody species in a wet tropical forest.
  • Measured hurricane response (damage, mortality, resilience) and four key hydraulic traits (P50, leaf turgor loss point, safety margin, capacitance).
  • Analyzed trait changes over 26 years of post-hurricane recovery.

Main Results:

  • Species with low P50 and high safety margins showed greater resistance to immediate hurricane damage.
  • Species with high capacitance and P50, and low safety margins exhibited higher post-hurricane resilience (growth).
  • Over 26 years, community-level traits shifted towards lower drought resistance and higher capacitance, increasing vulnerability.

Conclusions:

  • Hurricane damage favors slow-growing, drought-tolerant species.
  • Post-hurricane conditions favor fast-growing, but drought-vulnerable species, boosting productivity.
  • This shift increases overall forest vulnerability to drought, despite short-term productivity gains.