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Chris Cornwall

@chrisecornwall.bsky.social
1.6K followers 595 following 61 posts

Kelp forests, coral reefs, climate change, coralline algae, ecologist, physiologist, geochemist. Senior Lecturer of Marine Biology. Te Herenga Waka Victoria University of Wellington. Group leader of coastal eco physiology group (CEG)

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Chris Cornwall @chrisecornwall.bsky.social · 04/08/2026
Kia ora, a reminder that the 6th International Ocean in a High CO2 Symposium registration is still open, even though the early bird is now closed. This symposium will bring together people in the different fields of marine climate change: highco2-vi.org/registration/
highco2-vi.org
Registration – The Ocean in a High-CO2 World – 6th International Science Symposium
Registration Looking for funding? Symposium specific grants can be viewed here. Register Here Registration Fees (NZD, incl. GST) Payment is required at
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Chris Cornwall @chrisecornwall.bsky.social · 04/07/2026
Check out our new paper on experimental design in multiple driver research
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Changing Ocean Biological Systems working group @scor-cobs.bsky.social · 01/06/2026
May 4-15, four of the COBS team led a MEDDLE experimental design workshop at CIBNOR (Centro de Investigaciones Biológicas del Noroeste) in La Paz, Mexico, combining MEDDLE with an experiment examining the effects of low pH on scallops during a simulated acute heatshock event.
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Kashana @kashana.blacksky.app · 23/05/2026
“They’re too stupid to love the thing we said will take all their jobs”
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Aparna Nair @disabilitystor1.bsky.social · 23/05/2026
That other perspective: "sure, your students are deskilling themselves, the tech is based on theft from authors and artists worldwide, sure, its going to be devastating for labor, is implicated in global technofascism, but have you considered it makes it easier for me to set up MY workflow?"
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Clint Oakley @clintoak.bsky.social · 23/05/2026
The upcoming El Niño event will be somewhere between 'very bad' and 'catastrophic' for coral reefs. www.theaustralian.com.au/news/latest-...
theaustralian.com.au
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Chris Cornwall @chrisecornwall.bsky.social · 19/05/2026
Check out our new article collection in Ocean Ecosystems BMC Nature
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Chris Cornwall @chrisecornwall.bsky.social · 08/04/2026
The deadline has been extended by one month for the symposium. If you work on marine climate change, mCDR, ocean acidification this is the venue for you. Please submit, we already have hundreds of abstracts, so it’s shaping up to be a great symposium!
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Chris Cornwall @chrisecornwall.bsky.social · 05/03/2026
Call for abstracts is open for the 6th International Symposium of the Ocean in a High CO2 World! We are looking for work that examined the impacts of ocean acidification, deoxygenation, mCDR, and multiple drivers of change: highco2-vi.org/call-for-abs...
highco2-vi.org
Call for Abstracts – The Ocean in a High-CO2 World – 6th International Science Symposium
Call for Abstracts The Call for Abstracts is now open. Please submit your abstract no later than 1 April 2026 (any time zone). Full submission guidelines
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Chris Cornwall @chrisecornwall.bsky.social · 04/03/2026
Does anyone have any JCP standard for coral geochemistry? I’ve reached out to most of my local contacts and we are starting to hit a wall! Please flick me a DM if you do. We only need a little bit and can repay the favour somehow
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Chris Cornwall @chrisecornwall.bsky.social · 04/03/2026
We describe the potential impacts of climate change on coral reef growth in our new article in The Conversation theconversation.com/the-future-r...
theconversation.com
The future remains bleak for corals – but not all reefs are doomed
Coral reefs are likely to erode even under low-emission scenarios, but some reefs may persist if corals evolve to become more resistant to ocean warming.
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Chris Cornwall @chrisecornwall.bsky.social · 19/02/2026
New paper out yesterday by us and a large group of collaborators in Nature Reviews Earth and Environment. We discuss the persistence of coral reef structures under climate change. We highlight several possible futures for coral reef carbonate production: www.nature.com/articles/s43...
nature.com
Persistence of coral reef structures into the twenty-first century - Nature Reviews Earth & Environment
Carbonate production and accretion is negatively affected by ocean warming and acidification, threatening coral reef persistence. This Review synthesizes understanding of environmental impacts on reef...
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Chris Cornwall @chrisecornwall.bsky.social · 17/02/2026
theconversation.com/beyond-the-b...
theconversation.com
Beyond the beaches, Wellington’s catastrophic sewage spill could be bad news for coastal ecosystems
Sewage spills are often seen as short-term public health crises. But the ecological impacts can be lasting, especially if combined with marine heatwaves and storms.
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Chris Cornwall @chrisecornwall.bsky.social · 10/02/2026
Pretty sad to see this occurring of our awesome coastline www.rnz.co.nz/news/nationa...
rnz.co.nz
Wellington sewage outflow could kill marine reserve's kelp forest ecosystem
A marine biologist says the worst case scenario if untreated sewage continues to be dumped in Wellington could be the die-off of the kelp forest ecosystem.
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Chris Cornwall @chrisecornwall.bsky.social · 06/02/2026
Check out our new paper exploring how giant kelp (Macrocystis pyrifera) sporophytes from populations across Aotearoa New Zealand respond to marine heatwaves in simulated experiments. We find general similar sensitivities that tend towards similar thermal tolerances across large geographic areas.
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BMC @bmc.springernature.com · 23/12/2025
'BMC's newly launched journal Ocean Ecosystems has published its first introductory editorial article! Read more now! 🌍
bit.ly
Introducing Ocean Ecosystems - Ocean Ecosystems
Introducing Ocean Ecosystems Our ocean ecosystems are of immense ecological, climatic, and economic importance. Yet, the ecological functioning and diversity of these ecosystems remain largely unexplored. Historically, much greater effort has been placed in publishing research on terrestrial and freshwater ecosystems compared to the marine environment [ 1], and the importance of processes within these systems is considered comparatively overlooked by other disciplines [ 2].
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Nadine Schubert @nschubert.bsky.social · 06/01/2026
Ocean Ecosystems seeks manuscripts that cover the following topics: 1) Marine ecology 2)Biological oceanography 3)Global change biology 4)Ecological physiology 5)Evolutionary processes 6)Ecosystem... @chrisecornwall.bsky.social @springernature.com @juliemeilland.bsky.social
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Changing Ocean Biological Systems working group @scor-cobs.bsky.social · 11/12/2025
The COBS working group is offering an experimental design workshop before Ocean Sciences in Glasgow in Feb 2026! 🌊 Join us for a day of learning about designing and analysing multiple stressor experiments without getting multiply stressed out. forms.office.com/Pages/Respon...
Date and time: 9:00–15:30, Sunday, February 8, 2026

Location: University of Glasgow, room details TBA

Title of the event: Designing multiple driver experiments

Conveners: Sinéad Collins, University of Edinburgh, Simin Gao, University of Edinburgh, Paul Renaud, Akvaplan-niva

Description: The MEDDLE resources were developed to help researchers design and carry out tractable and comparable multiple driver experiments. In this workshop, participants will learn how to use these resources to design multiple driver experiments. While the concepts and methods discussed can apply to many systems, examples used during the workshop will focus on manipulative experiments rather than observational data. 

The workshop is geared mainly towards PhD students, postdocs, and ECRs new to multiple driver research, and focuses heavily on the rationale of different experimental designs, and analysis strategies for multiple driver experiments. A basic working knowledge of statistics is needed (regression analysis), and statistical analysis examples will use R. Participants should bring a laptop with R and R studio installed. 

Topics include:
•	Defining a research question
•	Identifying relevant drivers
•	Identifying biological traits and responses
•	Experimental designs for multiple driver experiments
•	Statistical analysis plans

Hosted by the SCOR project “Changing Ocean Biological Systems”, this free workshop will be led by  Sinéad Collins, University of Edinburgh (UK), Simin Gao, University of  Edinburgh (UK), Paul Renaud, Akvaplan-niva (Norway). Spaces are limited. If you would like to attend, contact Sinéad Collins (s.collins@ed.ac.uk) by January 15, 2026 to register your interest. Limited to 24 people, so please register early!

Please include a brief (<150 words) statement outlining (a) your experience carrying out Ocean acidification or multiple driver experiments (if any) and (b) how you plan to incorporate multiple driver experiments into your work
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Changing Ocean Biological Systems working group @scor-cobs.bsky.social · 08/12/2025
Our data analysis guides for multiple stressor/driver research 🌊 @christinamcgraw.bsky.social @sineadcollins.bsky.social @mridulkthomas.bsky.social @chrisecornwall.bsky.social + Peter Dillingham, Steeve Comeau, Sam Dupont aslopubs.onlinelibrary.wiley.com/doi/10.1002/...
aslopubs.onlinelibrary.wiley.com
The MEDDLE Data Analysis Guides as a Living Resource for Multiple‐Driver Marine Research
Click on the article title to read more.
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Chris Cornwall @chrisecornwall.bsky.social · 27/11/2025
New paper out by that describes data analysis tools creating by the Changing Ocean Biological systems Group last year at a workshop in Sweden. check them out for a good resource on coding and analysis: aslopubs.onlinelibrary.wiley.com/doi/10.1002/...
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Chris Cornwall @chrisecornwall.bsky.social · 04/10/2025
New paper out by my group and collaborators: Impacts of climate change on seaweeds, an editorial: www.frontiersin.org/journals/mar...
frontiersin.org
Frontiers | Editorial: Impacts of climate change on seaweeds
Climate change is drastically altering the composition and abundance of seaweed-dominated ecosystems throughout our oceans. Ocean warming and associated inte...
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Louise Firth @louisefirth.bsky.social · 30/09/2025
Still plenty of time to submit papers to the Annals of Botany special issue on #Macroalgae and #EcosystemServices. Deadline for submissions is Nov 30th! #Kelp #Fucoid #seaweed #CCA @annbot.bsky.social @pippajmoore.bsky.social @jebyrnes.bsky.social @twernberg.bsky.social @chrisecornwall.bsky.social
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Nature Portfolio @natureportfolio.nature.com · 18/09/2025
Over 70% of coral reefs in the tropical western Atlantic Ocean are projected to be in a state of erosion by 2040, increasing to nearly all reefs in 2100 if warming exceeds 2 °C above preindustrial levels, a study in Nature suggests. go.nature.com/48m9Y8F 🌊 🧪
This is figure 2, which shows reef accretion potential across western Atlantic reefs.
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Chris Cornwall @chrisecornwall.bsky.social · 17/09/2025
Our paper out today in @nature.com describes a grim fate for coral reef growth under climate change in the Western Atlantic. We also estimate that reef restoration could offer pockets of local hope, but overall cannot keep up with the effects of climate change www.nature.com/articles/s41...
nature.com
Reduced Atlantic reef growth past 2 °C warming amplifies sea-level impacts - Nature
An analysis of coral reefs in the tropical western Atlantic suggests that nearly all will be eroding by 2100 if global warming exceeds 2 °C, which will worsen the effects of sea-level rise.
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Holly Koch @hollykoch20.bsky.social · 22/08/2025
So excited to be apart of The Ocean in a High CO2 World international symposium🪸 October 12-16, 2026! See you there!
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Chris Cornwall @chrisecornwall.bsky.social · 21/08/2025
Excited to announce that we will be hosting the 6th International Symposium on Oceans in a High CO2 World October 12 to 16th in Wellington at the Tākina event center! This conference will bring together marine climate change scientists from multiple disciplines. Save the date!
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Chris Cornwall @chrisecornwall.bsky.social · 19/07/2025
Our new paper in Journal of Phycology has come out today. Low light and low water motion can exacerbate the effects of marine heatwaves on giant kelp: onlinelibrary.wiley.com/doi/10.1111/...
onlinelibrary.wiley.com
Light limitation and water velocity modify the impacts of simulated marine heatwaves on juvenile giant kelp
Coastal regions are complex habitats, where multiple natural and anthropogenic drivers can interact to affect the survival and growth of marine organisms. The giant kelp Macrocystis pyrifera is sensi...
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Chris Cornwall @chrisecornwall.bsky.social · 06/07/2025
If anyone is looking for regular updates on my group’s research or news, we are more frequently posting things on instagram. It’s not a perfect platform, but hey. Chrisecornwall is my handle, with my lab group updates and student work posted on coastal_eco_physio_group
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Louise Firth @louisefirth.bsky.social · 06/07/2025
See you all at the next #ITRS in #Tauranga, New Zealand 🇳🇿. Hosted by Chris Battersall, Chris Cornwall & Dave Schiel. Can’t wait to see you all there! @chrisecornwall.bsky.social @benthicecol.bsky.social @nessocon.bsky.social @katynicastro.bsky.social @pippajmoore.bsky.social @marclim-uk.bsky.social
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Chris Cornwall @chrisecornwall.bsky.social · 06/07/2025
Looking forward to it, see you all soon in Tauranga Aotearoa New Zealand 2028!!
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Chris Cornwall @chrisecornwall.bsky.social · 06/07/2025
Same here, loved catching up with friends! Now on to ITRS 2028 in Tauranga!
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Trine Bekkby @trinebekkby.bsky.social · 02/07/2025
Thanks for arranging this #ITRS2025 workshop 🤩 It was a very useful exercise, and I loved going through all the steps of planning our perfect will-never-ever-get-funded project 😂 and to make our priorities when reality (i.e. huge funding cuts) were thrown at us 😂
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Chris Cornwall @chrisecornwall.bsky.social · 02/07/2025
Check out some snaps from our recent MEDDLE workshop at #ITRS Brest, France on experimental design. Great participants! @scor-cobs.bsky.social
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Chris Cornwall @chrisecornwall.bsky.social · 25/06/2025
Check out our first Collection of articles we hope to publish in Ocean Ecosystems!
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Noam Vogt-Vincent @nvogtvincent.co.uk · 07/06/2025
Can tropical corals find refuge at higher latitudes under future warming? In our new paper in Science Advances, we argue that coral range expansion will be *far too slow* for most coral species to outpace climate change. 🪸🌊 www.science.org/doi/10.1126/... A short 🧵 (1/16)
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Chris Cornwall @chrisecornwall.bsky.social · 07/06/2025
Our paper out today by @nvogtvincent.co.uk Anthropogenic climate change will likely outpace coral range expansion | Science Advances www.science.org/doi/10.1126/...
science.org
Anthropogenic climate change will likely outpace coral range expansion
Coral reef range expansion takes centuries, and higher-latitude seas are therefore ineffective refugia for most tropical corals.
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Chris Cornwall @chrisecornwall.bsky.social · 30/05/2025
Ocean Ecosystems is calling for submissions to our collection on Ocean Ecosystem Services and Sustainable Development Goals, aiming to enhance our understanding of how to protect ocean health while ensuring the well-being of future generations www.biomedcentral.com/collections/...
biomedcentral.com
Ocean Ecosystem Services and Sustainable Development Goals
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Chris Cornwall @chrisecornwall.bsky.social · 28/05/2025
Check out @ashtyn-isaak.bsky.social and her experiment at @seasim-aims.bsky.social along with other PhD student @hollykoch20.bsky.social ! Such an exciting collaboration and experiment! It explores how light and temperature related bleaching differs from the effects of ocean acidification
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Chris Cornwall @chrisecornwall.bsky.social · 25/05/2025
We just returned from a successful trip to Vancouver Island, exploring dissolved inorganic carbon use of seaweeds there. We collected more than 200 samples from over 40 species! Big help from the three students on the team (Denisa Berbece, Alessandra Walsh and Eloise Bennett)
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Holly Koch @hollykoch20.bsky.social · 21/05/2025
Reminiscing on the fantastic conference put on by @aslo.org at the Aquatic Sciences Meeting in March 2025 in Charlotte, North Carolina I presented some of my results from two natural analogue sites; Semi-enclosed lagoon and a CO2 vent How do coralline algae survive in extreme environments?
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Oscar Branson @oscarbranson.bsky.social · 06/05/2025
🚨🚨🚨 TWO FULLY FUNDED POSITIONS 🚨🚨🚨 Both working out how shells are made, building quantitative models of the #biology, #mineralogy and #geochemistry of #biomineralisation. Come join our cross-disciplinary team funded by @leverhulme.ac.uk ! #phd #postdoc 🌊 biomin.esc.cam.ac.uk/research/gra...
biomin.esc.cam.ac.uk
Building Shells
Towards a Mechanistic Understanding of Biomineralisation
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Chris Cornwall @chrisecornwall.bsky.social · 06/05/2025
Māia Holman-Wharehoka gives her talk at the International Seaweed Symposium 2025 in Victoria British Columbia. Use of traditional weaving methods combined with restoration of giant kelp in Te Whanganui -Ā-Tara, Wellington Aotearoa
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Changing Ocean Biological Systems working group @scor-cobs.bsky.social · 28/04/2025
3. Blocking in time, by Steeve Comeau and @chrisecornwall.bsky.social Learn how to estimate the effects of two drivers on a response when your experiment is ‘blocked’ i.e. experimental units grouped in time, often because it’s not feasible to do all at once. nzoac.nz/s/Blocking_i...
nzoac.nz
Blocking in time
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Changing Ocean Biological Systems working group @scor-cobs.bsky.social · 28/04/2025
2. Analysing scenarios, by Steeve Comeau and @chrisecornwall.bsky.social Learn how to estimate the effects of two drivers on a response when your experimental treatments are designed to reflect future climate scenarios. nzoac.nz/s/Scenario_a...
nzoac.nz
Scenario approach
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Chris Cornwall @chrisecornwall.bsky.social · 23/03/2025
We are hosting the 39th ASPAB meeting at Te Herenga Waka Victoria University of Wellington. 24th to 25th November. Please come if you are interested in seaweed!
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Jean-Pierre Gattuso @jpgattuso.bsky.social · 14/03/2025
🌊 @noaa.gov was a leader on ocean acidification (OA) and marine carbon dioxide removal (#mCDR). This research is decimated by the firings of many outstanding staff, including the leaders of the OA and mCDR groups, my close colleagues Sarah Cooley and Gabby Kitch. #StandUpForScience
biographic.com
After Cuts, Former NOAA Chief Scientist Says U.S. Science Risks Becoming a “Backwater Enterprise” - bioGraphic
With its first wave of firings, the new Trump administration has decimated NOAA.
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PLOS Climate @plosclimate.org · 07/03/2025
New on the Latitude blog: a round-up of some of the wide-ranging and interdisciplinary research and commentary on climate and coral reefs published in PLOS Climate. latitude.plos.org/2025/03/cora...
latitude.plos.org
Coral reef research in PLOS Climate - Latitude
Coral reefs are among our planet’s most complex and biodiverse ecosystems and play vital roles in social-ecological systems, but they are also…
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Changing Ocean Biological Systems working group @scor-cobs.bsky.social · 25/02/2025
We have a few slots free in our experimental design workshop at the International Temperate Reefs Symposium on June 30th in Brest, France 🌊 If you're attending the conference and are interested in honing your skills in climate change research/design, please sign up! itrs-home.org/designing-mu...
itrs-home.org
Designing multiple driver experiments – ITRS 2025
The MEDDLE resources were developed to help researchers design and carry out tractable, intercomparable multiple driver experiments. In this workshop, participants will learn how to use these…
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Chris Cornwall @chrisecornwall.bsky.social · 24/02/2025
www.nzherald.co.nz/nz/disrespec... Documents reveal how Government pushed through controversial changes to Marsden Fund
nzherald.co.nz
‘Disrespect for science’: Docs reveal how Govt pushed controversial changes to prestigious Marsden Fund
Documents reveal how Govt made changes to Marsden Fund that outraged academic community.
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Chris Cornwall @chrisecornwall.bsky.social · 23/02/2025
We still have a few slots free in our experimental design workshop at ITRS on the 30th of June in Brest, France. If you are attending the conference and interested in honing your skills in climate change research/design, please sign up! itrs-home.org/designing-mu...
itrs-home.org
Designing multiple driver experiments – ITRS 2025
The MEDDLE resources were developed to help researchers design and carry out tractable, intercomparable multiple driver experiments. In this workshop, participants will learn how to use these…
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