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The Role Of Backreef Soundscapes And Their Spatial Structure For Recruitment Of Tropical Marine Larvae, Emily R. Anderson
The Role Of Backreef Soundscapes And Their Spatial Structure For Recruitment Of Tropical Marine Larvae, Emily R. Anderson
Biological Sciences Theses & Dissertations
Underwater sound is a cue used by many marine larvae to orient to coastal habitats including backreef, sponge-dominated hardbottom habitat in the Florida Keys (Florida, USA) – a particularly “noisy” coastal habitat. However, the distance over which acoustic cues are attractive to settlement-stage larvae - is generally unknown. I examined this phenomenon in a region of the Florida Keys where mass sponge die-offs have diminished both underwater soundscapes and larval settlement. The absence of pronounced hardbottom-associated sound over such a large area allowed me to experimentally test in situ the response of fish and invertebrate larvae to broadcasted sounds at …