Category Ranking
98%
Total Visits
921
Avg Visit Duration
2 minutes
Citations
20
Article Abstract
Climate teleconnections drive highly variable and synchronous seed production (masting) over large scales. Disentangling the effect of high-frequency (inter-annual variation) from low-frequency (decadal trends) components of climate oscillations will improve our understanding of masting as an ecosystem process. Using century-long observations on masting (the MASTREE database) and data on the Northern Atlantic Oscillation (NAO), we show that in the last 60 years both high-frequency summer and spring NAO, and low-frequency winter NAO components are highly correlated to continent-wide masting in European beech and Norway spruce. Relationships are weaker (non-stationary) in the early twentieth century. This finding improves our understanding on how climate variation affects large-scale synchronization of tree masting. Moreover, it supports the connection between proximate and ultimate causes of masting: indeed, large-scale features of atmospheric circulation coherently drive cues and resources for masting, as well as its evolutionary drivers, such as pollination efficiency, abundance of seed dispersers, and natural disturbance regimes.
Download full-text PDF |
Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5738406 | PMC |
| http://dx.doi.org/10.1038/s41467-017-02348-9 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Tropical response to ocean circulation slowdown raises future drought risk.
Nature
August 2025
British Antarctic Survey, Cambridge, UK.
Projections of tropical rainfall under global warming remain highly uncertain, largely because of an unclear climate response to a potential weakening of the Atlantic meridional overturning circulation (AMOC). Although an AMOC slowdown can substantially alter tropical rainfall patterns, the physical mechanisms linking high-latitude changes to tropical hydroclimate are poorly understood. Here we demonstrate that an AMOC slowdown drives widespread shifts in tropical rainfall through the propagation of high-latitude cooling into the tropical North Atlantic.
View Article and Find Full Text PDFTrends, teleconnections and nonstationary frequency modeling of riverine heatwaves in North American Atlantic salmon rivers (1979-2100).
Sci Total Environ
August 2025
Canada Research Chair in Statistical Hydro-Climatology, Institut national de la recherche scientifique, Centre Eau Terre Environnement. INRS-ETE, 490 De la Couronne, Québec City, QC, Canada.
Freshwater ecosystems play a vital role in supporting cold-water species like Atlantic salmon, providing the essential conditions to complete critical life stages. However, climate change is increasingly disrupting these habitats, driving shifts in river hydrology and rising water temperatures that threaten their survival. This study quantifies the past (1979-2020) and assesses potential future changes (2030-2100) in the hydrological and thermal regimes of 35 Atlantic salmon rivers across northeastern North America.
View Article and Find Full Text PDFInterdecadal modulation of Ningaloo Niño/Niña strength in the Southeast Indian Ocean by the Atlantic Multidecadal Oscillation.
Nat Commun
February 2025
Application Laboratory/Research Institute for Value-Added-Information Generation, Japan Agency for Marine-Earth Science and Technology, Yokohama, Japan.
The Southeast Indian Ocean is a global hotspot for marine heatwaves. In that region, marine heatwaves/cold-spells are known as Ningaloo Niño/Niña events, and have substantial impacts on regional climate anomalies and unique marine ecosystems. However, the strength of Ningaloo Niño/Niña events is nonstationary and varies considerably at multidecadal timescales.
View Article and Find Full Text PDFPrecession modulates the poleward expansion of atmospheric circulation to the Arctic Ocean.
Nat Commun
January 2025
Centre for Marine Magnetism (CM2, Department of Ocean Science and Engineering, Southern University of Science and Technology, Shenzhen, 518055, China.
Under sustained global warming, Arctic climate is projected to become more responsive to changes in North Pacific meridional heat transport as a result of teleconnections between low and high latitudes, but the underlying mechanisms remain poorly understood. Here, we reconstruct subarctic humidity changes over the past 400 kyr to investigate the role of low-to-high latitude interactions in regulating Arctic hydroclimate. Our reconstruction is based on precipitation-driven sediment input variations in the Subarctic North Pacific (SANP), which reveal a strong precessional cycle in subarctic humidity under the relatively low eccentricity variations that dominated the past four glacial-interglacial cycles.
View Article and Find Full Text PDFCentury-long West Antarctic snow accumulation changes induced by tropical teleconnections.
Sci Adv
January 2025
Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China.
Ice core measurements reveal dipole-like snow accumulation trends over West Antarctica throughout the 20th century, with an increase of >2000 billion metric tons over the Antarctic Peninsula and Ellsworth Land but a decrease of ~500 billion metric tons over Marie Byrd Land. Although atmospheric teleconnections were frequently revealed, linking variability between tropics and higher latitudes on interannual and decadal timescales, centennial-scale teleconnection is absent from literature. Here, using statistical analysis and numerical experiments, we reveal that changes of tropical oceans throughout the 20th century drive the long-term Antarctic snowfall trend.
View Article and Find Full Text PDF