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DNA metabarcoding to estimate diet overlap between the introduced Joro spider ( Trichonephila clavata ) and three native orb-weaving spiders
Loading metrics Open Access Peer-reviewed Research Article Citation: Grabarczyk EE, Schmidt JM (2026) DNA metabarcoding to estimate diet overlap between the introduced Joro spider (Trichonephila clavata) and three native orb-weaving spiders. PLoS One 21(6): e0351929. https://doi.org/10.1371/journal.pone.0351929 Editor: Petr Heneberg, Charles University: Univerzita Karlova, CZECHIA Received: February 15, 2026; Accepted: June 3, 2026; Published: June 24, 2026 Copyright: © 2026 Grabarczyk, Schmidt.
Quantifying degradation in animal acoustic signals with the R package baRulho
1 INTRODUCTION Acoustic signals serve as a means through which many animals convey information and navigate their social and ecological landscapes. Animal sounds are finely tuned by natural selection to maximize their effectiveness within specific ecological contexts (Bradbury & Vehrencamp, 2011). This selective process, which acts on acoustic signals, is closely linked to the propagation of sound through natural environments and the challenges it entails.
baRulho: an R package to quantify degradation in animal acoustic signals
Abstract Animal acoustic signals are shaped by selection to convey information based on their tempo, intensity, and frequency. However, sound degrades as it propagates over space and across physical obstacles (e.g., vegetation or infrastructure), which affects communication potential. Therefore, transmission experiments are designed to quantify change in signal structure in a given habitat by broadcasting and re-recording animal sounds at increasing distances.
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