To determine the success of aerial sowing of Alpine ash following a series of wildfires.
Type of Study:
Observational; pre-existing intervention.
In areas burnt only once, there were prolific E. delegatensis seedlings (average 50 per m2). Without aerial sowing, there were no E. delegatensis seedlings in areas burnt multiple times. In similar areas that were aerially sown, seedling density averaged 0.46 to 1.87 seedlings per m2, adequate to re-establish the forest. More than 60% of seedlings survived the first summer after the fire.
Three seed sources: natural, aerially sown or none.
Aerial sowing recommended following multiple fires in quick succession.
AIC model selection; negative binomial models.
Response variable :
24 belt transects, each 25 x 1m, for each of the three seed sources.
Bassett O. D., Prior L. D., Slijkerman C. M., Jamieson D. & Bowman D. (2015) Aerial sowing stopped the loss of alpine ash (Eucalyptus delegatensis) forests burnt by three short-interval fires in the Alpine National Park, Victoria, Australia. Forest Ecology and Management 342, 39-48.