Table 3.
Site roles as source and sink in the movement of wheat among storage sites by rail in Queensland, Australia, through the shortest paths between storage sites.
| Number of sites connected to focal site | ||
|---|---|---|
| Focal site | Focal site as source | Focal site as sink |
| Gladstone, Fisherman Islands, Mackay, Pinkenba | 3 | 40 |
| Toowoomba | 4 | 26 |
| Malu | 5 | 14 |
| Natcha | 6 | 13 |
| Harristown | 5 | 10 |
| Cambooya | 6 | 7 |
| Macalister, Warwick | 7 | 6 |
| Warra, Yelarbon | 8 | 5 |
| Dalby | 7 | 5 |
| Miles, Goondiwindi West | 9 | 4 |
| Dalby West | 8 | 4 |
| Duaringa | 4 | 4 |
| Toobeah, Ulimaroa | 10 | 3 |
| Kupunn | 9 | 3 |
| Dingo | 5 | 3 |
| Bungunya, Wallumbilla | 11 | 2 |
| Tara | 10 | 2 |
| Emerald | 6 | 2 |
| Roma West, Talwood | 12 | 1 |
| The Gums | 11 | 1 |
| Gindie | 7 | 1 |
| Brookstead | 6 | 1 |
| Mt. McLaren | 4 | 1 |
| Biloela | 4 | 1 |
| Muckadilla, Thallon | 13 | 0 |
| Meandarra | 12 | 0 |
| Springsure | 8 | 0 |
| Millmerran | 7 | 0 |
| Capella, Moura | 5 | 0 |
| Dysart | 4 | 0 |
Note: The source or sink status indicates whether the focal state is “upstream” or “downstream,” respectively.