Data from: Echolocation detections and digital video surveys provide reliable estimates of the relative density of harbour porpoises

Williamson LD, Brookes KL, Scott BE, Graham IM, Bradbury G, Hammond PS, Thompson PM

Date Published: January 26, 2016

DOI: http://dx.doi.org/10.5061/dryad.cf04g

 

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Title Visual_Survey_Data
Downloaded 38 times
Description R data file of the visual survey data in distance format. R Code to open the file provided in readme.txt
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Title Digital_Survey_Data
Downloaded 16 times
Description R data file of the digital survey data in distance format. R Code to open the file provided in readme.txt
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Title Visual_vs_Digital_Comparison
Downloaded 21 times
Description Data used for bootstrap comparison of visual and digital DSM estimates to calculate the scaling factor for digital surveys.
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Title Acoustic_Data
Downloaded 26 times
Description Data used for comparison of acoustic indices to estimates of relative density from DSM of visual survey data.
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When using this data, please cite the original publication:

Williamson LD, Brookes KL, Scott BE, Graham IM, Bradbury G, Hammond PS, Thompson PM (2016) Echolocation detections and digital video surveys provide reliable estimates of the relative density of harbour porpoises. Methods in Ecology and Evolution 7(7): 762–769. http://dx.doi.org/10.1111/2041-210X.12538

Additionally, please cite the Dryad data package:

Williamson LD, Brookes KL, Scott BE, Graham IM, Bradbury G, Hammond PS, Thompson PM (2016) Data from: Echolocation detections and digital video surveys provide reliable estimates of the relative density of harbour porpoises. Dryad Digital Repository. http://dx.doi.org/10.5061/dryad.cf04g
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