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A Novel Tool to Mitigate By-Catch Mortality of Baltic Seals in Coastal Fyke Net Fishery
Fig 3
Monthly variation in the number of by-caught seals in fyke nets (4–6 fyke nets annually).
First bars: fyke nets without a seal sock (years 2008–2010). Second bars: fyke nets with a seal sock (2011–2013).
doi: https://doi.org/10.1371/journal.pone.0127510.g003