The sources and prevalence of anthropogenic noise in Rockfish Conservation Areas with implications for marine reserve planning

被引：6
|
作者：
Nikolich, Katrina [1 ]
Halliday, William D. [1 ,2 ]
Pine, Matthew K. [1 ]
Cox, Kieran [1 ,3 ]
Black, Morgan [1 ,3 ]
Morris, Corey [4 ]
Juanes, Francis [1 ]
机构：
[1] Univ Victoria, Fisheries Ecol & Marine Conservat Lab, Victoria, BC, Canada
[2] Wildlife Conservat Soc Canada, Victoria, BC, Canada
[3] Hakai Inst, Calvert Isl, BC, Canada
[4] Northwest Atlantic Fisheries Ctr, Fisheries & Oceans Canada, St John, NF, Canada
来源：
MARINE POLLUTION BULLETIN | 2021年 / 164卷
基金：
加拿大自然科学与工程研究理事会;
关键词：
Noise pollution; Sebastes; Rockfish; Marine reserve; Northeast Pacific; Communication masking; RECREATIONAL FISHER COMPLIANCE; BRITISH-COLUMBIA; ROCKY REEF; SOUND; COMMUNICATION; PATTERNS; SEA;
D O I：
10.1016/j.marpolbul.2021.112017
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Underwater noise pollution is a recognized threat to marine life. In British Columbia, Canada, Pacific rockfish (Sebastes spp.) were historically overfished, prompting the establishment of Rockfish Conservation Areas (RCAs). However, there are no restrictions prohibiting vessel transits in RCAs. We hypothesized that RCAs do not protect rockfish from sub-lethal harm from noise. We compared noise levels at three RCAs with adjacent unprotected reference sites from August 2018-June 2019. While RCAs had lower levels of noise overall than reference sites, this trend was inconsistent; some RCA sites had higher levels of noise during certain time periods than non-RCA sites. A vessel noise detector was the best predictor of noise level over three frequency bands (20-100 Hz, 100-1000 Hz, 1-10 kHz), and predicted sound levels which could mask rockfish communication. We conclude that RCAs do not reliably protect rockfish from noise pollution, and recommend further study into potential impacts on stock recovery.
引用
收藏
页数：12
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