Performance of a fine-scale acoustic positioning system for monitoring temperate fish behavior in relation to offshore marine developments

Rapid global expansion of offshore wind farms, tidal, and wave technologies signifies a new era of renewable energy development. While a promising means to combat the impacts of climate change, such developments necessitate fine-scale monitoring of biological communities to determine impacts associa...

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Veröffentlicht in:Animal biotelemetry 2024-12, Vol.12 (1), p.1-14
Hauptverfasser: Shipley, Oliver N, Nicoll, Ashley, Cerrato, Robert M, Dunton, Keith J, Peterson, Bradley J, Sclafani, Matthew, Bangley, Charles, Balazik, Matthew T, Breece, Matthew, Cahill, Brianna V, Fox, Dewayne A, Gahagan, Benjamin I, Kneebone, Jeff, Leone, Farrah, Manz, Maria, Ogburn, Matthew, Post, William C, Scannell, Brittney, Frisk, Michael G
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Zusammenfassung:Rapid global expansion of offshore wind farms, tidal, and wave technologies signifies a new era of renewable energy development. While a promising means to combat the impacts of climate change, such developments necessitate fine-scale monitoring of biological communities to determine impacts associated with construction, operation, and eventual decommission. Here, we evaluate the performance of a gridded, Innovasea Systems, Inc. fine-scale acoustic telemetry positioning system (FSPS, n = 20 acoustic receivers) for tracking behaviors of diverse, temperate fish assemblages in relation to a subsea cable route supporting the Ørsted offshore wind development in coastal New York. We examined array performance through positioning error derived from receiver reference transmitters and tracked animals (n = 260) comprising 17 species of teleost and elasmobranch. We evaluated the effects of environmental variables (temperature, tilt, noise, and depth), transmitter power, individual movement rates, and receiver loss on horizontal positioning error (HPE) and route mean squared error (RMSE). Across a 16-month deployment period, many positions were derived for Atlantic sturgeon (n = 2,612), black sea bass (n = 9,175), clearnose skate (n = 10,306), summer flounder (n = 13,304), and little skate (n = 15,186), suggesting that these species may serve as sentinel candidates for assessing behavioral changes following construction, operation, and decommission. We found that receivers placed at the boundary of the grid exhibited higher HPE and RMSE, however these errors did not significantly change despite large receiver losses (25%). Generalized Linear Models revealed that temperature, noise, tilt, and depth were often significant predictors of HPE and RMSE, however, a substantial amount of variance was not explained by the models (~ 70%). Average movement rates ranged from 1.1 m s.sup.-1 (common thresher shark) to 0.03 m s.sup.-1 (little skate and summer flounder) but had minimal effects on positioning error. Finally, we observed that higher transmitter powers (158 dB) may lead to higher and more variable HPE values. Overall, these findings provide new insight into the drivers of FSPS array performance and illustrate their broad utility for monitoring fish behavior associated with offshore marine developments. Keywords: Passive acoustic telemetry, Biotelemetry, Elasmobranch, Teleost, Renewable energy, Animal movement
ISSN:2050-3385
2050-3385
DOI:10.1186/s40317-024-00386-x