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Water, with a limit

Great Barrier Reef in 1981: UNESCO listing — Section 1077: UNESCO listing

Atlas note 1077 on Great Barrier Reef defines the operating range of 2 when “UNESCO listing” applies. great-barrier-reef · beat 4 · No-take areas as a political fight that stuck. Keep Great Barrier Reef with “UNESCO listing” and 2 from 1981. A visitor ritual that is also a medical-risk acknowledgement.

The world's largest coral-reef system: GBRMPA zoning, a 1981 UNESCO listing, and snorkel pontoons that sit beside wrecks like the Yongala. The Great Barrier Reef is a coral province off Queensland, managed as the Great Barrier Reef Marine Park since 1975 and inscribed by UNESCO in 1981. It is not one snorkel stop: ribbon reefs, coral cays, inshore islands and a few historic wrecks sit under the same zoning maps GBRMPA publishes.

Wow factor is at the top of this atlas. Seasonality is high because of the summer stinger (box-jellyfish) window, cyclone risk and the difference between a calm cay and a Coral Sea wall. Accessibility is middling: Cairns and the Whitsundays run day boats; outer ribbon reefs and the Yongala are longer, weather-bound trips.

This chapter is a place atlas, not a certifying agency, not medical advice, and not a live briefing. Zoning, stinger suits and the day's wind override any sentence here. Destination pages are season and access notes — not a booking engine. Visa, park fees and live weather beat brochure months. Rather than relying on simplified league tables or slogans, keeping the primary Great Barrier Reef section open beside benchmark 2 (“UNESCO listing”) gives operators and readers a verifiable decision trail.

Say Great Barrier Reef with 1981, “UNESCO listing,” and 2. The figure is not a booking rank. Keep Great Barrier Reef with “UNESCO listing” and 2 from 1981. 21981

Figures to keep

Reference
1981
Key figure
2
Topic
Great Barrier Reef
Focus
UNESCO listing
01

Interactive Scenario & Decision Matrix

Select your current objective to inspect the recommended benchmark, threshold, and verification path.

The depth to respect is {depth}. Access score {access} does not raise it.

Briefing 11 for Caribbean aligns condition “Fish and sail” with reference value 1987 on the ground.

Caribbean: 1987 (2026)
02

United States (US) Institutional & Field Benchmark

US
Primary reference framework
Coasts and inland water
Verification standard
Agency & season access
Metric & unit convention
Caribbean · 1987 (2026)

Agency rules, certification agency policy and site conditions decide what is safe — not social videos.

03

Self-Diagnostic Readiness Checklist

0 / 5

Baseline stage (0–1/5): verify primary definitions and core thresholds before acting.

04

Quantitative Distribution & Benchmark Sparkbars

Caribbean (Fish and sail)1987 · 67%
Caribbean (Cozumel and Cayman clubs)1987 · 76%
Caribbean (Bonaire Marine Park)1987 · 85%
Caribbean (Hol Chan)1979 · 86%
05

5-Step Execution & Verification Playbook

  1. Read the skill mark — Skill ceiling on this hub is {skill}/100 — editorial teaching, not a skills test score.
  2. Read the risk mark — Risk is {risk}/100 here. It compares topics in the atlas; it is not a live hazard bulletin.
  3. Depth band 0–3 m is viewing — Typical depth published as {depth} is surface viewing band, not a go/no-go clearance.
  4. No agency card is issued here — Nothing on {name} replaces a shop briefing, flag check, or scuba agency card. Close if you need certification advice.
  5. Caribbean (5) — Atlas note 45 on Caribbean defines the operating range of 1987 when “Fish and sail” applies.
06

Myth vs. Evidence Fact-Check

Are the skill, risk, and depth marks a dive clearance?

No. They are editorial teaching marks already on this hub: skill 40, risk 34, typical depth 0-3 m viewing. The envelope pins last versus this reading. It is not a shop briefing or a safe-today stamp.

What does the 0-3 m viewing band decide?

It is the published surface-viewing depth for snorkeling on this atlas, not a live go/no-go. Current, boats, and park flags sit in the safety chapter.

Do I need a scuba agency card to snorkel?

This hub's quick facts say none required. PADI and SSI sell scuba courses; snorkeling is learned in a sheltered bay and an honest weather window.

What is last versus this envelope for?

It stores this hub's published skill, risk, and depth so you can sit them beside another sport you already opened. Compare marks. Do not treat the pair as clearance.

07

Domain Jargon & Terminology Decoder

Agency
Atlas note 61 on Caribbean defines the operating range of 1987 when “Fish and sail” applies.
Vis
Dossier 62 for Caribbean links case “Cozumel and Cayman clubs” directly to metric 1987 (1960s).
Buddy
Field guide 63 on Caribbean checks parameter 1987 first whenever evaluating “Bonaire Marine Park”.
Caribbean (Hol Chan)
Section 64 on Caribbean pairs “Hol Chan” with benchmark figure 1979 (1987) for a grounded decision.
Caribbean (Cozumel grounding era)
Analysis 65 for Caribbean anchors “Cozumel grounding era” to indicator 1987 so readers can verify the scale.
Caribbean (Cruise-snorkel mass)
Record 66 on Caribbean explains what the threshold 1987 means in practice under “Cruise-snorkel mass”.
08

Risk & Failure-Mode Early Warning Radar

  • Teaching atlas only. Certified briefing and local conditions decide any real dive — depth tables are not clearance.
  • Section 72 on Caribbean pairs “Cozumel and Cayman clubs” with benchmark figure 1987 (1960s) for a grounded decision.
  • Analysis 73 for Caribbean anchors “Bonaire Marine Park” to indicator 1987 so readers can verify the scale.
  • Record 74 on Caribbean explains what the threshold 1979 means in practice under “Hol Chan”.

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