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A templex-based study of the Atlantic Meridional Overturning Circulation dynamics in idealized chaotic models.
Chaos
January 2025
CNRS-IRD-CONICET-UBA, Institut Franco-Argentin d'Études sur le Climat et ses Impacts (IRL 3351 IFAECI), C1428EGA CABA, Argentina.
Significant changes in a system's dynamics can be understood through modifications in the topological structure of its flow in phase space. In the Earth's climate system, such changes are often referred to as tipping points. One of the large-scale components that may pass a tipping point is the Atlantic Meridional Overturning Circulation.
View Article and Find Full Text PDFLinking Acrosome Size and Genetic Divergence in an Inter-Oceanic Mussel from the Pacific and Atlantic Coasts: A Case of Incipient Speciation?
Animals (Basel)
February 2024
Instituto de Ciencias Naturales Alexander von Humbodt, Facultad de Ciencias del Mar y de Recursos Biológicos, Universidad de Antofagasta, Angamos 601, Antofagasta 1270300, Chile.
In recent years, advances in analyses of the sperm morphology and genetics of have allowed to two evolutionary scenarios for this mussel to be suggested: (1) the scenario of cryptic species and (2) the scenario of incipient or in progress speciation. For a better understanding of the evolutionary history of , we performed extensive sampling along a latitudinal gradient of ca. 7180 km of coastline-from the Southern Pacific Ocean to the Atlantic Ocean-and we delved deeper into the sperm morphology of , exploring its association with the phylogeny and population genetics to determine whether the variability in sperm traits between the northern and southern regions was a signal of cryptic or incipient species.
View Article and Find Full Text PDFVisualizing the Passage of Time with Video Temporal Pyramids.
IEEE Trans Vis Comput Graph
January 2023
What can we learn about a scene by watching it for months or years? A video recorded over a long timespan will depict interesting phenomena at multiple timescales, but identifying and viewing them presents a challenge. The video is too long to watch in full, and some things are too slow to experience in real-time, such as glacial retreat or the gradual shift from summer to fall. Timelapse videography is a common approach to summarizing long videos and visualizing slow timescales.
View Article and Find Full Text PDFPhylogeography reveals the complex impact of the Last Glacial Maximum on New Zealand's terrestrial biota.
J R Soc N Z
May 2022
Biology Department, Macalester College, St. Paul, MN, USA.
Article Synopsis
- The review examines how New Zealand's flora and fauna have been influenced by the Ōtira Glaciation during the Pleistocene, which coincides with the Last Glacial Maximum.
- The authors highlight the complexity of species' biogeographic histories, showing how past glaciation and mountain-building shaped their distribution.
- They also discuss glacial refugia locations, shared habitats among species, and how glaciation contributed to species diversification, while suggesting future research directions using genomic tools.
Glacial and postglacial sedimentary infill in Slovakian High Tatra Mts. lakes: Acoustic survey and lithological data.
Data Brief
February 2022
Štátne lesy TANAPu, Tatranská Lomnica SK-059 60, Slovakia.
The data presented in this paper are related to the research article "Sub-bottom and bathymetry sonar inspection of postglacial lacustrine infill of the alpine lakes (Tatra Mts., Slovakia)" (Dhavamani et al., 2022).
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