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In-field Recordings of Adds and Risk-Based Mapping of Potential Impacts to Target and Non-Target Species
Descriptions
The use of Acoustic Deterrent Devices (ADDs) at fish farms to deter seals is common practice in the coastal regions of the west coast of Scotland. This practice aims to reduce stress to farmed fish and damage to nets and livestock. Other non-target species are potentially impacted by this practice, and those of greatest concern are whales, dolphins and porpoises (cetaceans). One key knowledge gap lies in noise level measurements of the devices in the real-world and how the sound emitted from these devices propagates into the marine environment. With a better understanding of this, through gathering in-field sound/acoustic recordings, it would allow for a more robust assessment of the potential for impact to target (seals) and non-target (cetaceans) species through risk-based mapping approaches. The tenderer will undertake in-field sound/acoustic recordings of ADDs at an enclosed inlet / bay and an open water site, neither of which should be associated with an existing / operational fish farm. These recordings will be used to back-calculate source levels of ADDs and to produce risk-based maps for marine mammals.
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CPV Codes
73100000 - Research and experimental development services
73110000 - Research services
Keywords
scientific research
prototype development
field trials
experimental studies
technology investigation
laboratory testing
product analysis
innovation modeling
test implementation
discovery research
research studies
scientific analysis
literature review
knowledge acquisition
academic investigation
project evaluation
data interpretation
exploratory research
technical review
strategic research planning
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2 Tender Lots
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