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Context-dependent Effects of Anthropogenic Noise on Nest Defence in a Singing Toadfish by Mackenzie B. Woods; Nicholas A.W. Brown; Katrina Nikolich; William D. Halliday; Sigal Balshine; Francis Juanes is a Agricultural and Biological Sciences article available to read on EtoBox.

What is Context-dependent Effects of Anthropogenic Noise on Nest Defence in a Singing Toadfish about?

Noise pollution has been steadily increasing in the ocean, negatively affecting aquatic ecosystems by causing both behavioural and physiological deficits for many marine animals, including fishes. To date, most research investigating the effects of noise on fishes has been conducted in controlled laboratory settings; however, these experimental conditions often lack ecological validity, and it is largely unknown whether the effects observed in aquaria are representative of real-world responses for animals experiencing noise in the wild. In this study, we used a combination of laboratory and field playback experiments to assess the effects of noise on nest defence and parental care behaviours in an intertidal-breeding toadfish, the plainfin midshipman, Porichthys notatus. Nest-guarding males without eggs in the laboratory exhibited a nearly four-fold increase in defensive behaviours under boat noise playbacks compared to under ambient conditions. However, in the field, no significant changes were detected in the defensive or parental behaviours by guarding males with eggs under exposure to noise. Our study demonstrates that anthropogenic noise can impact nest defence behaviour in pl

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Author

Mackenzie B. Woods; Nicholas A.W. Brown; Katrina Nikolich; William D. Halliday; Sigal Balshine; Francis Juanes

Publisher

Elsevier BV

Published

2022

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)