English
Related papers

Related papers: Transoceanic migration of dragonflies and branched…

200 papers

How migratory birds can find the right way in navigating over thousand miles is an intriguing question, which much interested researchers in both fields of biology and physics for centuries. There several putative proposals that sound…

Biological Physics · Physics 2021-06-25 Xin Zhao , Hong-Bo Chen , Li-Hua Lu , You-Quan Li

Due to climate-induced changes, many habitats are experiencing range shifts away from their traditional geographic locations (Piguet, 2011). We propose a solution to accurately model whether bird species are present in a specific habitat…

Artificial Intelligence · Computer Science 2025-07-16 Emir Durakovic , Min-Hong Shih

Bird species' migratory patterns have typically been studied through individual observations and historical records. In recent years however, the eBird citizen science project, which solicits observations from thousands of bird watchers…

Populations and Evolution · Quantitative Biology 2019-11-11 Tim Coleman , Lucas Mentch , Daniel Fink , Frank La Sorte , Giles Hooker , Wesley Hochachka , David Winkler

Turbulent winds and gusts fluctuate on a wide range of timescales from milliseconds to minutes and longer, a range that overlaps the timescales of avian flight behavior, yet the importance of turbulence to avian behavior is unclear. By…

Quantitative Methods · Quantitative Biology 2021-07-07 Kasey M. Laurent , Bob Fogg , Tobias Ginsburg , Casey Halverson , Michael Lanzone , Tricia A. Miller , David W. Winkler , Gregory P. Bewley

One of the most impressive features of moving animal groups is their ability to perform sudden coherent changes in travel direction. While this collective decision can be a response to an external perturbation, such as the presence of a…

Details of Monarch butterfly migration from the U.S. to Mexico remain a mystery due to lack of a proper localization technology to accurately localize and track butterfly migration. In this paper, we propose a deep learning based butterfly…

Signal Processing · Electrical Eng. & Systems 2019-12-17 Mingyu Yang , Roger Hsiao , Gordy Carichner , Katherine Ernst , Jaechan Lim , Delbert A. Green , Inhee Lee , David Blaauw , Hun-Seok Kim

Ecosystems are often under threat by invasive species which, through their invasion dynamics, create ecological networks to spread. We present preliminary results using a technique of GIS coupled with complex network analysis to model the…

Populations and Evolution · Quantitative Biology 2018-08-10 Shashankaditya Upadhyay , Tamali Mondal , Prasad A. Pathak , Arijit Roy , Girish Agrawal , Sudeepto Bhattacharya

Multiple-scale mobility is ubiquitous in nature and has become instrumental for understanding and modeling animal foraging behavior. However, the impact of individual movements on the long-term stability of populations remains largely…

Populations and Evolution · Quantitative Biology 2018-04-04 Teodoro Dannemann , Denis Boyer , Octavio Miramontes

Accurate multi-step flight trajectory prediction plays an important role in Air Traffic Control, which can ensure the safety of air transportation. Two main issues limit the flight trajectory prediction performance of existing works. The…

Computer Vision and Pattern Recognition · Computer Science 2025-08-21 Lan Wu , Xuebin Wang , Ruijuan Chu , Guangyi Liu , Jing Zhang , Linyu Wang

A monsoon is a wind system that seasonally reverses its direction, accompanied by corresponding changes in precipitation. The Indian monsoon is the most prominent monsoon system, primarily affecting India's rainy season and its surrounding…

We have done a statistical analysis of the wind field from the archive of NCEP/NOAA over the Indian Ocean for the period 1998-2008yy, which is given on a grid 1x1.25 of latitude-longitude with 3h time-step. Initial analysis includes mapping…

Atmospheric and Oceanic Physics · Physics 2011-09-26 Vladislav Polnikov , Fedor Pogarskii , S. A. Sannasiraj

While dragonflies are highly agile flyers, some key aerodynamic mechanisms responsible for their flight performance remain inadequately understood. Based on forward flight conditions, we investigate dragonfliess spanwise aerodynamic…

Fluid Dynamics · Physics 2016-12-19 Csaba Hefler , Huihe Qiu , Wei Shyy

The prediction of the intensity, location and time of the landfall of a tropical cyclone well advance in time and with high accuracy can reduce human and material loss immensely. In this article, we develop a Long Short-Term memory based…

Machine Learning · Computer Science 2021-03-31 Sandeep Kumar , Koushik Biswas , Ashish Kumar Pandey

Soaring birds gain energy from stable ascending currents or shear. However, it remains unclear whether energy loss due to drag can be overcome by extracting work from transient turbulent fluctuations. We designed numerical simulations of…

Fluid Dynamics · Physics 2024-01-11 Danyun He , Gautam Reddy , Chris H. Rycroft

We provide a novel methodology for computing the most likely path taken by drifters between arbitrary fixed locations in the ocean. We also provide an estimate of the travel time associated with this path. Lagrangian pathways and travel…

Applications · Statistics 2021-06-16 Michael O'Malley , Adam M. Sykulski , Romuald Laso-Jadart , Mohammed-Amin Madoui

The orbital architectures of short-period exoplanet systems are shaped by tidal dissipation in their host stars. For low-mass M-dwarfs whose dynamical tidal response comprises a dense spectrum of inertial modes at low frequencies, resolving…

Earth and Planetary Astrophysics · Physics 2024-02-16 Samantha C. Wu , Janosz W. Dewberry , Jim Fuller

In the present article, we demonstrate the emergence and existence of the spiral wave chimera-like transient pattern in coupled ecological systems, composed of prey-predator patches, where the patches are connected in a three-dimensional…

Adaptation and Self-Organizing Systems · Physics 2022-08-02 Bidesh K. Bera , Srilena Kundu , Paulsamy Muruganandam , Dibakar Ghosh , M. Lakshmanan

TRAPPIST-1 is a late M-dwarf orbited by seven Earth-sized planets with orbital period ratios near a chain of mean motion resonances. Due to uncertain system parameters, most orbital configurations drawn from the inferred posterior…

Earth and Planetary Astrophysics · Physics 2017-05-24 Daniel Tamayo , Hanno Rein , Cristobal Petrovich , Norman Murray

While the overarching pattern of biannual avian migration is well understood, there are significant questions pertaining to this phenomenon that invite further study. Necessary to any analysis of these questions is an understanding of how a…

Applications · Statistics 2024-07-04 Michael F. Christensen , Peter D. Hoff

Understanding the population structure and patterns of gene flow within species is of fundamental importance to the study of evolution. In the fields of population and evolutionary genetics, measures of genetic differentiation are commonly…

Populations and Evolution · Quantitative Biology 2016-09-27 Lisa Sundqvist , Kevin Keenan , Martin Zackrisson , Paulo Prodöhl , David Kleinhans
‹ Prev 1 2 3 10 Next ›