Number of cetacean sighting records and trips across 1998 to 2021; due to budgetary reasons, cetacean sighting records were suspended for one year in 2001.

 
  Part of: Hu C-H, Yu HY, Hoh DZ, Lin DL (2023) The observation records from whale and dolphin watching inshore of Hualien, eastern Taiwan. Biodiversity Data Journal 11: e109649. https://doi.org/10.3897/BDJ.11.e109649