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2,000 Year Old Coral in Australia FIGHTING for Survival 😱 Expedition Drenched Season 2 Ep 15
15 September 2021 · 18 min · 16K views · Great Barrier Reef
What this video covers
Conservationist John Rumney, founder of the Great Barrier Reef Legacy, details the impact of rising ocean temperatures on coral health and the mission of the Coral Biobank project.4:37 The initiative aims to collect and preserve genetic samples of coral species from the Great Barrier Reef and globally to prevent extinction from mass bleaching events.6:44 Bleaching occurs when stressed corals expel their symbiotic algae, turning white; if conditions do not improve, the coral dies and is overtaken by turf algae.17:24 Beyond climate change, Rumney emphasizes the importance of managing agricultural runoff, sewage, and herbivore fish populations to maintain reef resilience.10:47 The crew of the 42-foot sailboat Sylphia also demonstrates the use of reef-safe, non-toxic sunscreen to minimize personal impact while diving.18:05 During a night passage from the Great Barrier Reef to Osprey Reef, the crew navigates narrow reef passes in 17 to 25 knots of wind and heavy swell, adjusting sail trim to maintain 7 to 8 knots of speed.16:04
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