OTIRS is a unique research facility located in the centre of the Capricorn Group of the Great Barrier Reef. The facility is managed by the University of Sydney.

Joined February 2020
5 Photos and videos
One Tree Island Research Station retweeted
4 Mar 2025
A study at @OneTreeIslandRS on the Great Barrier Reef found that extreme heat in 2024 caused massive coral die-off. Even heat-resistant corals struggled. Research from @ProfMariaByrne @Sydney_Uni & others. eos.org/articles/great-barri…
2
3
820
One Tree Island Research Station retweeted
Our @OneTreeIslandRS unsung heroes, Ruby and Heinrich share what life is like on the Great Barrier Reef as station managers! From planning groceries to accessing health care, life looks slightly different from the average Australian's 🏝️ abc.net.au/news/2024-12-26/o…
1
2
202
One Tree Island Research Station retweeted
The crown-of-thorns starfish is on the march again, gobbling up vast areas of the #GreatBarrierReef. Science researchers Professor Maria Byrne and PhD student Monique Webb discuss why these starfish switch to a broader diet as they mature. Learn more: tinyurl.com/3fkm9pj7
1
5
442
One Tree Island Research Station retweeted
Flashback to over 40 years ago on @OneTreeIslandRS 📸 What is your favourite Island memory?🏝️ Images courtesy University Archives (REF-00002743) #50yrsofMarineScience #OneTreeIsland #MarineScience #USYD #USYDArchives
1
1
6
431
In her article ‘Women and the Reef: An Australian Story’, Associate Professor Kerrie Foxwell-Norton explores the connection between the history of the Great Barrier Reef and the untold stories of Australian women. Drawing from her time at One Tree. news.griffith.edu.au/2024/06…
45
One Tree Island Research Station retweeted
Meet Simon Um, a student researching on the community ecology of coral reefs at @OneTreeIslandRS! 🪸 This #WorldOceansDay, @sydney_uni celebrates #50yrsofMarineScience at the #OTIRS. For decades, #OTI has empowered students like Simon to become ocean heroes. Read more ⤵️
1
3
502
One Tree Island Research Station retweeted
7 Jun 2024
Happy #worldoceanday2024! Let's share our favourite ocean pic! Here's mine! I love this pic of @Sydney_Uni researchers working hard at @OneTreeIslandRS. Share yours and tag @USydMSI @Sydney_Uni
1
1
2
130
One Tree Island Research Station retweeted
We're proud to be a 2024 recipient of the #SapphireProject 💙 Proceeds raised through The Sapphire Project will contribute to @OneTreeIslandRS research and education aimed at understanding #coralreef ecosystems 🪸 Celebrating #50yrsofMarineScience at #OTI.
1
3
9
717
One Tree Island Research Station retweeted
Intense underwater heat devastates the Great Barrier Reef, impacting corals & species. Worst bleaching event documented by @DrEmmaLJohnston & researchers @OneTreeIslandRS Find out more: tinyurl.com/4565emjk Photos: @johnwturnbull
20
30
2,452