The WWF claimed the report proved that the dredging and dumping of seabed sediment near the reef should be banned.
The report, undertaken by consultants Sinclair Knight Merz, states that spoil from dredging travels a lot further than previously thought, with dumped sediment capable of being disturbed repeatedly by severe weather.
The risks include sediment being disturbed by severe weather.
A spokesman for Hunt said the Great Barrier Reef Marine Park Authority had issued a clarification on the report Butler mentioned, tempering its conclusions by stressing that "modelling results should not be used to determine actual dredge material movement or be used to infer where sediment could be dispersed and deposited or its ecological significance".
"The proposal to dredge and dispose of up to 1.6m cubic metres of sediment per year for three separate campaigns between 2014 and 2020 has the potential to cause long-term, irreversible harm to areas of the Great Barrier Reef Marine Park, in particular seagrass meadows and nearby coral reefs," the summary says.
The first represents a sorting-through of the contents of the day, a settling of sediment that is of no great consequence.
These diseases are commonly associated with warm water temperature or increased sediment due to runoff, conditions which "can flow past [the] arbitrary boundaries" of marine reserves.
This is sediment that, because it is laid down by rapid water movements, is not sorted by grain size.
En route, as Marius wrote, it would have destroyed many lakeshore villages, "with humans and cattle and even churches".The crucial element in this explanation is the accumulation of sediment in the underwater delta.
And, using sediment cores and an instrument called a pinger, which analyses the reflections of sound waves that can penetrate the material of the lake bed, Dr Kremer thinks she has found this tongue.Her discovery is a bed of what is known geologically as turbidite.
Once enough sediment is there, it just needs a trigger to set it going.
