Queensland's Citizen Science Hub

One paper, by Member Dr Ben Diggles entitled “Annual pattern of settlement of Sydney Rock oyster spat in Pumicestone Passage“, is available for download here as it is deemed a suitable source of data sets for classes in biology under Queensland’s 2019 senior secondary syllabus. Supplementary data and a spreadsheet with spatfall field data referred to in the article and charts with data on Leaf oysters and a Time series are also available.

Marine scientist Dr Ben Diggles has also provided an Invertebrate Report dated September 2019 with the following explanation:

“I attach a copy of the 9-month invertebrate report. Not too much happening by way of growth or recruitment of shellfish on the reefs in the middle of winter, except for some honeycomb oyster settlement. But the spat settlement data comparing the cage reef vs the patch reef from the 2017 deployment are telling, as they show that anchor damage to the patch reefs lowers their profile and reduces their effectiveness for attracting spat.

Healthy Land and Water have commissioned some underwater drone footage of the trial reefs which is available at https://youtu.be/N1ZKITKE7SA. Again, note the anchor damage to the smaller patch reef deployed in 2017. Fortunately the cages, the biodegradable BESE reefs and the larger patch reefs deployed in 2018, while still vulnerable to anchor damage, are proving to be more robust, the latter probably due to their larger size and the larger besser brick fence modules surrounding them.”

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