Table 2 Summary of the effort of surveys for Australian humpback (Sousa sahulensis) and Indo-Pacific bottlenose dolphins (Tursiops aduncus) around the North West Cape, Western Australia, indicating the number of repeats of the two opposing zigzag transect routes (Route A and Route B: see Fig. 1) and the number of survey days.
Year | Route A | Route B | Survey Days |
|---|---|---|---|
2013 | 6 | 6 | 73 |
2014 | 8 | 8 | 83 |
2015 | 7 | 6 | 68 |
2018 | 6 | 7 | 69 |
2019 | 8 | 7 | 85 |
2021 | 5 | 4 | 39 |
Total | 40 | 38 | 417 |