Jennifer Marohasy » Coral Reefs

Many of the hard corals fringing the Keppel Islands bleached stark white last summer. Specifically, the fields of branching Acropora spp. went stark white. This was likely caused by a combination...

https://jennifermarohasy.com/2024/06/anemones-push-through-collapsed-corals/

It rained a lot today, on Great Keppel Island.   I was nevertheless determined to walk around to Shelving Beach reef for the low tide.  I am so glad that I did.  The visibility under-the-wate...

https://jennifermarohasy.com/2024/04/wrong-algae-friendly-fishes-shelving-beach-reef/

According to the mainstream media it’s the southern Great Barrier Reef that has been hit hardest with coral bleaching, and particularly the corals in the Capricorn region that includes Great Ke...

https://jennifermarohasy.com/2024/03/fancy-fins-didnt-help-with-the-visibility/

It has been a cold start to winter here in Yeppoon, just across from Great Keppel Island that is part of the southern Great Barrier Reef. And it has also been very cold in Sydney if you believe t...

https://jennifermarohasy.com/2023/07/june-update-kidding-ourselves-temperatures-corals-and-kings/

Full marks to David Mills, writing in the Courier Mail, for asking why the government tends to bury good news reports about the Great Barrier Reef. There are a few other questions that I would li...

https://jennifermarohasy.com/2023/05/coral-snapshot-2022-23-all-the-unanswered-questions/

Arguably the most recognisable symbol of our civilization is the Christian cross. When it has an image of Jesus on it, it is called a crucifix. The crucifix emphasises Jesus’s sacrifice which C...

https://jennifermarohasy.com/2023/04/coral-crosses-for-redemption/

Fundamental to science is measurement. It is a way of objectively assessing something, anything, even the state of a coral reef, even of an individual coral. Historically coral growth rates were ...

https://jennifermarohasy.com/2020/11/measuring-old-corals-coral-reefs-part-1/

CORALS are animals, closely related to jelly fish, but they differ in having a limestone skeleton. This is hard-stuff, calcium carbonate, and it can persist in the environment and provide an indi...

https://jennifermarohasy.com/2020/01/no-data-on-coral-growth-rates-for-15-years/

PROFESSOR Peter Ridd is a physicist at James Cook University who has dared to question scientific findings that purport to show the Great Barrier Reef is in trouble. Specifically, he has been for...

https://jennifermarohasy.com/2018/02/peter-ridd-asks-help-now/

INFLUENTIAL, but seriously flawed research suggesting agricultural pesticides killed mature stands of mangroves at Mackay in Queensland was based on experiments with mangrove seedlings that were ...

https://jennifermarohasy.com/2013/11/postgraduate-research-opportunity/