Milestones in order. This is history, not a weekly activity grid.
- Cook on the shelf
- Yongala lost
- Yonge expedition
- GBRMPA
- UNESCO listing
- Pontoon tourism
- Zoning overhaul
- Mass bleaching years
Darker cells mean a higher score for this topic on that metric.
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Quick answers
Which local rescue or training agency should I check first?
Use the local lens: coastguard/federation norms and the shop briefing for that bay — not a blog visibility claim.
What is stinger season?
A Queensland coastal window, often November to May, when box jellyfish and Irukandji risk rises. Many beaches fly stinger nets; reef pontoons issue full-body lycra. This is not a medical protocol.
Is the Yongala on the Reef?
SS Yongala sank in 1911 off Cape Bowling Green and is dived as a protected historic wreck in GBR waters, typically as an exterior. See wreck-diving.
Ribbon Reefs vs pontoons?
Ribbon Reefs (including Cod Hole) are outer-shelf walls, usually liveaboard or long day boats. Pontoons at Agincourt, Hardy and similar sites are the mass snorkel product.
Can people walk on coral cays?
Cays are nesting and research sites. Stay on marked paths. Lady Elliot and Heron run tight visitor rules.
Is bleaching the whole story?
Heat stress is the background emergency. Zoning, anchors and trampling are the visitor-scale layer. See reef-etiquette.
The reef system is a Holocene structure on an older shelf. As a destination it begins with navigation charts, then island research stations, then a 1975 statutory park written after mining and oil fights.
The history is a zoning map that tourism later used as a brochure.
Timeline
- Cook on the shelf
HMS Endeavour grounds on the reef; European charts thicken.
- Yongala lost
A cyclone takes the steamer; she becomes a later dive icon.
- Yonge expedition
A Cambridge scientific camp on Low Isles sets a research tone the cays still wear.
- GBRMPA
A statutory marine park at continental scale.
- UNESCO listing
World Heritage status becomes the public sentence.
- Pontoon tourism
Outer-shelf day platforms concentrate snorkel impact.
- Zoning overhaul
A major representative-areas programme expands no-take green zones.
- Mass bleaching years
Heat, not only fins, becomes the public story.
Eras
- Charts — Navigation — A hazard, then a resource.
- 1928-1975 — Science islands — Heron, Low Isles, and a research culture.
- 1975-2004 — Park paper — GBRMPA, UNESCO, pontoons.
- 2004-now — Heat and zones — Green zones plus bleaching headlines.
Milestones
- GBRMPA 1975 — The legal invention of the Reef as one park.
- UNESCO 1981 — The global name.
- 2004 rezoning — No-take areas as a political fight that stuck.
- Stinger-suit culture — A visitor ritual that is also a medical-risk acknowledgement.
The Reef as a destination is a 1975 statute wearing a 1981 plaque. The coral is older than both.