Table 1. Details of the aerial survey data used in this paper.
All data collected from 1984 are on-line at https://dugongs.tropicaldatahub.org.
| Subregions | Geographical details of subregion | Survey years |
|---|---|---|
| Torres Strait | 10° 29’S 142° 10’ E; 29 764 km2 | 1991, 1996, 2001, 2006, 2011, 2013 |
| Northern Great Barrier Reef | 11°32’S -15°30’S; 20132 km2 | 1978, 1984, 1985, 1990, 1995, 2000, 2006, 2013 |
| Southern Great Barrier Reef | 15°30’S-24° 30’S; 33676 km2 | 1974, 1975, 1976, 1977, 1978, 1979, 1986, 1992, 1994, 1999, 2005, 2011 |
| Hervey Bay | 25° 17′ S; 6156 km2 | 1979, 1988, 1992, 1993, 1994, 1999, 2001*, 2005, 2011 |
| Moreton Bay | 27° 28' S; 2192 km2 | 1976, 1977, 1979, 1995, 1999, 2000, 2001*, 2005, 2011 |
*Surveys conducted both in autumn (April) and summer (November).