Endangered Species Research (1863-5407) (Inter-Research Science Center), 2021, Vol. 44, P. 409-419 Endangered Species Research Endangered Species Research, Oldendorf/Luhe : Inter-Research, 2021, 44, pp.409-419. ⟨10.3354/esr01113⟩ Endangered Species Research, Vol 44, Pp 409-419 (2021)