Coordination between leaf and fruit phenology driven by a warm phase of ENSO.
It has been suggested that tree phenology may be regulated by climatic oscillations. Here, a team of scientists from the NGEE-Tropics project present a 30-year tropical forest dataset that suggests leaf and fruit production is coordinated with ENSO cycles, with greater leaf fall observed prior to El Niño followed by greater seed production.
The response of tropical forests to ENSO events and, in general, to drought and other environmental stress, are still under exploration. Here, they show a relatively strong response of tropical phenology (fruiting and leafing) to a warming phase of ENSO. This discovery can help to understand the mechanisms of response or adaptation of plants to climate variability and pave the road to their implementation into Earth Ecosystem Models.
For the first time an interaction between phenophases of tropical plants (leafing and fruiting) is shown to be driven by large scale periodic climate variations. This interaction mirrors the dynamics between dry and wet season, suggesting adaptive strategies to optimize reproduction and resource acquisition in response to environmental stress.
Contacts (BER PM)
Dept. of Ecology and Evolutionary Biology Princeton University and Smithsonian Tropical Research Institute
The Environmental Sciences Program of the Smithsonian Institution funded data collection. M.D. was partially supported by the US Department of Energy Office of Science NGEE-Tropics. Raul Rios, Brian Harvey, and Steven Paton collected the BCI climate data.
Detto, M., S.J. Wright, O. Calderón, O. and H.C. Muller-Landau. “Resource acquisition and reproductive strategies of tropical forest in response to the El Niño-Southern Oscillation.” Nature Communications 9, No. 913 (2018). [DOI:10.1038/s41467-018-03306-9]
SC-23.1 Climate and Environmental Sciences Division, BER
BER supports basic research and scientific user facilities to advance DOE missions in energy and environment. More about BER
May 10, 2019
Quantifying Decision Uncertainty in Water Management via a Coupled Agent-Based Model
Considering risk perception can improve the representation of human decision-making processes in age [more...]
May 09, 2019
Projecting Global Urban Area Growth Through 2100 Based on Historical Time Series Data and Future Scenarios
Study provides country-specific urban area growth models and the first dataset on country-level urba [more...]
May 05, 2019
Calibrating Building Energy Demand Models to Refine Long-Term Energy Planning
A new, flexible calibration approach improved model accuracy in capturing year-to-year changes in bu [more...]
May 03, 2019
Calibration and Uncertainty Analysis of Demeter for Better Downscaling of Global Land Use and Land Cover Projections
Researchers improved the Demeter model’s performance by calibrating key parameters and establi [more...]
Apr 22, 2019
Representation of U.S. Warm Temperature Extremes in Global Climate Model Ensembles
Representation of warm temperature events varies considerably among global climate models, which has [more...]
List all highlights (possible long download time)