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Archive
Archive

Marine Directorate deliver data and reports through the portal, and assigns Digital Object Identifiers (DOI) to each published dataset. Once a DOI is created, it will remain on the site for reference information for as long as the site remain operational.
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License

UK Open Government Licence (OGL)

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The East Coast Marine Mammal Acoustic Study

ECOMMAS is a long-term, on-going study into how underwater noise generated by offshore industry impacts the distribution of dolphins and porpoises in the Scottish North Sea. Acoustic recorders (C-PODs and SM2Ms) are deployed at 30 sites across 10 locations along the east coast. They record underwater noise and count echolocation clicks to measure dolphin and porpoise presence and absence. They are deployed in the spring and are recovered after ~ 4 months. In 2015 and 2016, a second deployment was issued in July/August.

doi: 
10.7489/1969-1
Citation: 
Brookes, K. 2017. The East Coast Marine Mammal Acoustic Study data. doi: 10.7489/1969-1

Data and Resources

marine mammals
acoustics
cetaceans
cetacean counts
cetacean behaviour
FieldValue
Publisher
Archive
Modified
2026-09-04
Release Date
2017-10-02
Frequency
Annually
Identifier
9e66393a-b075-4544-96a4-f8768a90df89
Temporal Coverage
2013-06-19
Language
English (United Kingdom)
License
UK Open Government Licence (OGL)
Granularity
Annual
Author
Brookes, K. - Marine Scotland.
Data Dictionary

Data is presented as detection-positive days (DPD) and detection-positive hours (DPH) for both species. DPD = The detection of echolocation clicks per day (1 = Detection-positive, 0 = Detection-negative) DPH = The number of hours echolocation clicks are detected per day Nall = Total number of clicks detected per day Ndays = Total number of days recorded PorpDPH_median = Median porpoise detection-positive hours for each site DolDPH_median = Median dolphin detection-positive hours for each site Proportion_PorpDPD = Proportion of porpoise detection-positive days (out of total days recorded, Ndays) Proportion_DolDPD = Proportion of dolphin detection-positive days (out of total days recorded, Ndays) Data has been prepared as ArcGIS maps showing median DPH and proportion of DPD for both species across all 30 sites. It has also been converted to be viewed on Marine Scotland Maps , and for direct download as a spread sheet (.csv)
Contact Name
Marine Scotland Science
Contact Email
marinescotland@gov.scot
Public Access Level
Public