Results 231 to 240 of about 243,689 (361)

Effects of complex soundscapes on the occurrence of Anaxipha pallidula in isolated green spaces in Tokyo

Wildlife Biology, EarlyView.
Urban green spaces experience a mix of natural and anthropogenic noises, which could disrupt the vocal communication of several species. This study investigated how such complex soundscapes affect the occurrence of Anaxipha pallidula, which communicates through calls, focusing on both sound level and quality.
Hiroki Mori, Takeshi Osawa
wiley   +1 more source

Multi-objective gold rush optimization algorithm: Theoretical Extensions and applications in UAV path planning. [PDF]

PLoS One
Su K, Wang Y, Kong Y, Liu W.
europepmc   +1 more source

Evaluating machine learning models for multi‐species wildlife detection and identification on remote sensed nadir imagery in South African savanna

Wildlife Biology, EarlyView.
This research paper investigates the efficacy of leading machine learning (ML) models for detecting and identifying ungulate species in African savanna using nadir imagery from unmanned aerial vehicles (UAVs). Traditional aerial counting methods, while widely used, suffer from significant limitations in accuracy and precision, in part due to human ...
Paul Allin, Fadel Seydou, Radloff Frans, Andrew Davies, Alison Leslie   +4 more
wiley   +1 more source

EfficientIR-Det Towards Efficient and Accurate DETR for UAV Infrared Object Detection. [PDF]

Sensors (Basel)
Yang X, Li H, Xie X.
europepmc   +1 more source

Quantifying microhabitat selection of snowshoe hares using forest metrics from UAS‐based LiDAR

Wildlife Biology, EarlyView.
Identifying the spatial and temporal scale at which animals select resources is critical for predicting how populations respond to changes in the environment. The spatial distribution of fine‐scale resources (e.g. patches of dense vegetation) are often linked with critical life‐history requirements such as denning and feeding sites.
Alexej P. K. Sirén, Franklin Sullivan, Rachel Cliché, Jeremy Goetz, Leighlan S. Prout, Jillian Kilborn, Katelyn Courtot, Michael Palace   +7 more
wiley   +1 more source

A hybrid fungal growth and differential evolution algorithm for energy-efficient UAV trajectory planning in MEC. [PDF]

Sci Rep
Othman AA, Elmanakhly DA.
europepmc   +1 more source

Estimating red deer Cervus elaphus population density using drones in a steep and rugged terrain

Wildlife Biology, EarlyView.
Precise and accurate information about population density, crucial for wildlife management, is difficult to obtain for elusive species living in dense forests or steep and inaccessible terrain. Using unmanned aerial vehicles (UAVs), we developed a method for obtaining absolute population estimates of ungulates living in steep, rugged, and partly ...
Julie Bommerlund, Torbjørn Ergon, Simon Filhol, Atle Mysterud   +3 more
wiley   +1 more source

A Multilayer Decision-Making Method for UAV Formation Cooperative Flight in Complex Urban Environments. [PDF]

Sensors (Basel)
Wang J, Yan D, Hao Y, Miao H.
europepmc   +1 more source

CFD Simulation of Eagle-inspired Wingtip Slots on Induced-Drag Reduction and UAV Flight Efficiency

This research examines the aerodynamic performance of three UAV wing configurations base wing, Model A with cam-bered wing slots, and Model B with symmetrical wing slots at low Reynolds numbers.
Anwar Bég, O, Momodu, Issa, Kuharat, Sireetorn   +2 more
core  

Drone‐based radiotelemetry and imagery systems provide an advantage over traditional techniques for estimating survival of dependent juveniles

Wildlife Society Bulletin, EarlyView.
We used drone‐based radiotelemetry and multispectral imagery to estimate detection and survival probabilities of blue‐winged teal broods in Saskatchewan, Canada. Weekly brood survival probabilities, estimated via Cormack‐Jolly‐Seber models, increased with age and were comparable between drone methods.
Grant A. Rhodes, Dylan L. Bakner, Hannah C. Sabatier, Benjamin S. Sedinger, Christopher A. Nicolai, Kevin M. Ringelman   +5 more
wiley   +1 more source