Aboriginal people disrupted natural succession

I am not sure what "bush damper" means

http://www.abc.net.au/news/2017-11-13/aboriginal-influence-behind-distribution-of-native-plants:-study/9142142

Aboriginal people spread native plants by hand, new study finds

Bush-tucker plants were spread by hand across mountainous regions in New South Wales by Indigenous people, according to a new scientific theory published today.

The Black Bean Tree Seed – a mystery solved

   A tropical rainforest tree, which originates in Cape York
   The tree's heavy, toxic seeds are not eaten or distributed by animals
   While seeds drift in rivers, it's a scientific mystery how the species reached mountain tops
   It's known the seeds were cooked by Indigenous people as a bush damper

Newly published DNA research from a team of scientists and indigenous collaborators upturns botanical history, pointing to a vast and unacknowledged human influence in the distribution of Australia's native plants.

" "Damper" or "Bush Damper" - a bread that's crusty and crunchy on the outside and soft inside."