Challenges of implementing Mark-recapture studies on poorly marked gregarious delphinids
Fig 6
Seasonal abundance estimates (±CI) for adult (marked and unmarked) common dolphins (Delphinus sp.) between January 2010 and December 2013 in the Hauraki Gulf, New Zealand, obtained using POPAN.
Estimates are given for highly distinctive (D1) and highly distinctive and distinctive (D1 & D2) individuals.