Literature
Abundance of harbour porpoise and other cetaceans in the North Sea and adjacent waters. Journal of Applied EcologyJournal of Applied Ecology, 39(2), pp.361-376. Available at: https://besjournals.onlinelibrary.wiley.com/doi/full/10.1046/j.1365-2664.2002.00713.x.
, 2002. Cetacean abundance and distribution in European Atlantic shelf waters to inform conservation and management. Biological Conservation, 164, pp.107-122. Available at: http://www.sciencedirect.com/science/article/pii/S0006320713001055.
, 2013. , 2011.
Estimates of cetacean abundance in European Atlantic waters in summer 2016 from the SCANS-III aerial and shipboard surveys, St Andrews: Sea Mammal Research Unit, University of St Andrews. Available at: https://synergy.st-andrews.ac.uk/scans3/files/2017/04/SCANS-III-design-based-estimates-2017-04-28-final.pdf.
, 2017.