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Bradley E. Howell

@bradhowelll.bsky.social
148 followers 178 following 19 posts

NSERC CGS-D Ph.D. candidate studying predator-prey interactions of fishes at Trent University. Student Rep for @cars-afs.bsky.social and reckless canoeist.

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Reposted by Bradley E. Howell
Eawag Aquatic Research @eawag.bsky.social · 22/09/2026
When, where and why do different fish species migrate – and how do they manage to do so? Eawag researchers are investigating this by tagging fish and tracking their signals  🐟
eawag.ch
On the trail of Switzerland’s river fish
When, where and why do different fish species migrate – and how successfully do they manage to do so despite the barriers posed by hydroelectric power stations? Eawag researchers are investigating this by tagging fish and tracking their signals over a period of several years. Initial analyses have yielded surprising results.
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Reposted by Bradley E. Howell
Eawag Aquatic Research @eawag.bsky.social · 11/09/2026
Jetzt reinschauen! SRF «Einstein» hat unsere Feldstudie auf und im Wasser begleitet 💪💧 www.srf.ch/play/tv/eins...
srf.ch
Lassen wir unsere Fische sterben? - Einstein - Play SRF
Unseren Flussfischen geht es schlecht. Der Hitzesommer 2026 und Flussbarrieren lassen Hunderttausende verenden. Die vielen Kraftwerkbarrieren hindern verschiedene Fischarten bis heute an ihrer natürli...
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Bradley E. Howell @bradhowelll.bsky.social · 06/09/2026
Great work led by Leah Howitt at Queens University Biological Station!
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Reposted by Bradley E. Howell
Graham Raby @graham-raby.bsky.social · 07/08/2026
Proud of this paper - big undertaking for a BSc honours thesis - by Imogen Bellinger (now a PhD student at Dalhousie). in @jexpbiol.bsky.social Hyperoxia didn't affect warming tolerance or MO2 in trout, even while they were swimming near-maximally. journals.biologists.com/jeb/article/...
journals.biologists.com
Oxygen uptake of rainbow trout during acute warming: effects of oxygen supersaturation and aerobic exercise
Highlighted Article: Oxygen supersaturation does not notably improve the thermal tolerance or metabolic rate of aerobically exercising or static rainbow trout, suggesting that hyperoxia does not mitig...
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Reposted by Bradley E. Howell
Robert Hechler @roberthechler.bsky.social · 14/05/2026
New in @pnas.org: Ecological stability through nonlinear fluctuations and the portfolio effect We show that nonlinear dynamics like oscillations and chaos are paradoxically key to stabilizing globally important salmon complexes in the Fraser River and Bristol Bay. Link: doi.org/10.1073/pnas... 🌐🐟
doi.org
Ecological stability through nonlinear fluctuations and the portfolio effect | PNAS
Much ecological theory has pursued understanding the mechanisms that stabilize communities, yet empirical analyses reveal deterministic nonlinear d...
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Reposted by Bradley E. Howell
Canadian Journal of Zoology @canjzoology.bsky.social · 16/04/2026
⭐EDITOR'S CHOICE⭐ Brook trout thermal habitat selection in stratified lakes: diel patterns, body size, and the importance of thermal time 🌎 ✒️Stewart et al.🔗 ow.ly/tScz50YJYxk 📷 ow.ly/ynbo50YJYxi #OpenAccess #ThermalEcology #FishEcology #🌱
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Reposted by Bradley E. Howell
Graham Raby @graham-raby.bsky.social · 07/04/2026
Looking for prospective MSc students to join @airydunlop.bsky.social and me at Trent for a project focused on spawning behaviour in lake whitefish. Please share/forward to folks who may be interested.
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Bradley E. Howell @bradhowelll.bsky.social · 26/03/2026
I really enjoyed writing something a bit different for this #ConPhysinAction piece and highlighting this cool research!
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Reposted by Bradley E. Howell
Society of Canadian Aquatic Sciences @scas-scsa.bsky.social · 16/03/2026
Join us in Winnipeg for the IAGLR & SCAS-SCSA 2026 Joint Conference! Featuring multiple days of inspiring science from around the world that explores the theme, Connected Waters: Bridging Communities & Ideas. Register today: iaglr.org/iaglr-scas26...
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Reposted by Bradley E. Howell
Erin Stewart @erinmcstewart.bsky.social · 12/03/2026
The proofed version of our CJZ paper is now online! 🐟 We studied patterns of brook trout thermal habitat selection during peak summer temps in 3 Algonquin Provincial Park lakes 🏕️ With @tmiddel.bsky.social & @harknesslab.bsky.social @canjzoology.bsky.social dx.doi.org/10.1139/cjz-2025-0087
dx.doi.org
Canadian Science Publishing
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Bradley E. Howell @bradhowelll.bsky.social · 11/03/2026
🌿 We're fundraising for the 2026 FREED Field Camp at Trent University 🌿 Help provide free hands-on field training for equity-deserving undergraduate students. 👉 Donate: momentous.trentu.ca/freed-trentu More info below! Please share.
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Bradley E. Howell @bradhowelll.bsky.social · 03/03/2026
Some more great talks at #GLATOS2026 in Sarnia last week! @chris-on-fish.bsky.social and Leah Howitt
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Bradley E. Howell @bradhowelll.bsky.social · 09/02/2026
Really enjoyed the 35th Rice Lake Comparative Physiology & Biochemistry Workshop this weekend. Big shout-out to @graham-raby.bsky.social lab members for sharing some great science.
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Bradley E. Howell @bradhowelll.bsky.social · 09/02/2026
Great to be at the @amfisheriessoc.bsky.social Ontario Chapter AGM last weekend! Huge congrats to members of the @graham-raby.bsky.social lab for their excellent presentations. Emma won the Al Dextrase Award for best poster! @mitchellshorgan.bsky.social
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Bradley E. Howell @bradhowelll.bsky.social · 02/02/2026
A short feature from @trentuniversity.bsky.social on our research using @innovasea.com predation-sensing telemetry tags to study fish ecology! www.trentu.ca/news/story/2...
trentu.ca
Scientists Testing New Technology to Pinpoint When Fish Become Food
Canada’s top doctoral-level fisheries researcher is uncovering fish interactions with predators and their environment
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Reposted by Bradley E. Howell
Graham Raby @graham-raby.bsky.social · 29/12/2025
How useful is underwater video as a fisheries assessment tool in freshwater? @jacobbowman.bsky.social asked this question for his honours thesis, by comparing video against other ways of counting fish. Editor's Choice in TAFS: academic.oup.com/tafs/advance...
academic.oup.com
How useful is underwater video as a fisheries assessment tool in temperate freshwater ecosystems?
ABSTRACTObjective. Remote underwater video (RUV) is a noninvasive survey technique that has long been used in marine ecosystems and is now gaining interest
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Bradley E. Howell @bradhowelll.bsky.social · 05/12/2025
Excited to share our new publication led by @mitchellshorgan.bsky.social! Fish-tracking folks, you’ll enjoy reading this 👇
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Bradley E. Howell @bradhowelll.bsky.social · 02/11/2025
Honoured to receive this award! Grateful for the support of my mentors and collaborators, and congratulations to all the other awardees!
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Bradley E. Howell @bradhowelll.bsky.social · 09/10/2025
Hard to believe it’s already been two years since I finished my master’s. I am grateful for the mentors, field days, and late nights that shaped where I am today.
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Reposted by Bradley E. Howell
Jessica Reid 🌈 @j-reid.bsky.social · 29/09/2025
Reflecting on what we’ve done and what more we can do to advance #equity in 🇨🇦#AquaticSciences in a new blog post blog.cdnsciencepub.com/equity-for-ea Thanks to @jaimegrimm.bsky.social @roberthechler.bsky.social @bradhowell.bsky.social @kirkwoodlab.bsky.social and non-bsky authors for this collab 💙💧
blog.cdnsciencepub.com
Equity for early-career researchers in fisheries and aquatic science | Canadian Science Publishing
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Reposted by Bradley E. Howell
Jeremy De Bonville @jaydebon.bsky.social · 21/08/2025
Raby lab retreat this week at Harkness Lab of Fisheries Research was a great success! Thanks to the ghost of F.E.J. Fry for writing inspiration 👻🐟
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Reposted by Bradley E. Howell
Beth Hoots @whatahoot.bsky.social · 11/07/2025
So many great talks on the last couple days of #SEBconference! It was great to hear from @chris-on-fish.bsky.social and @bradhowell.bsky.social about their work at Trent, as well as my #DeakinMarine friends @gradito.bsky.social on work from her M.S. and Alex Berry on his PhD research 👏
A scientist presenting a slide with several box plots A scientist presenting a slide with takehome messages A scientist presenting the most dramatic title slide ever of himself staring at the oceanA scientist presenting a slide with a model for fish energetics
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Bradley E. Howell @bradhowelll.bsky.social · 11/07/2025
Thank you @sebiology.bsky.social for having me at this year’s #SEBconference in Antwerp, Belgium. Today’s Open Animal session was a full house despite being a Friday morning!
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Bradley E. Howell @bradhowelll.bsky.social · 10/07/2025
Some great talks on fish metabolism, thermal tolerance, and bioenergetics by folks from @trentuniversity.bsky.social at this year’s #SEBconference in Antwerp, Belgium. @sebiology.bsky.social @erinmcstewart.bsky.social @jaydebon.bsky.social @chris-on-fish.bsky.social
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Reposted by Bradley E. Howell
Functional Ecology @funecology.bsky.social · 08/07/2025
@bradhowell.bsky.social
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Bradley E. Howell @bradhowelll.bsky.social · 08/04/2025
Just out in Environmental Biology of Fishes! This paper is something to be proud of, we spent an incredible amount of time at some of Manitoba’s best lake trout fisheries.
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Reposted by Bradley E. Howell
Mitchell Shorgan @mitchellshorgan.bsky.social · 07/03/2025
What are the effects of tagging on fishes? 🐟 Our review + meta-analysis explores intracoelomic tagging effects in fishes. We summarize the existing literature and examine the 2% rule using evidence from a broad representation of all published studies. Preprint link below! 🧵
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Erin Stewart @erinmcstewart.bsky.social · 08/01/2025
📣 Just published in @conphysjournal.bsky.social with @jacobbowman.bsky.social, Chris Wilson, and Graham Raby How much does upper thermal tolerance vary among wild populations of brook trout? What drives this variation? 🌡️ 🧵1/5 doi.org/10.1093/conp...
doi.org
Local conditions drive interpopulation variation in field-based critical thermal maximum of brook trout
Abstract. Individual- and population-level responses to thermal change will be pivotal for species’ resilience and adaptive responses to climate change. Th
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Reposted by Bradley E. Howell
Karen J Murchie, Ph.D. @karenjmurchie.bsky.social · 04/12/2024
Are you a fish telemetry practitioner? The 7th International Conference on Fish Telemetry will take place June 8-13, 2025 in Traverse City, Michigan, USA. The conference website is now live for abstract submission and details on the venue. Help spread the word. event.fourwaves.com/7thicft/pages
event.fourwaves.com
International Conference on Fish Telemetry (7th ICFT)
Fourwaves - International Conference on Fish Telemetry (7th ICFT)
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Bradley E. Howell @bradhowelll.bsky.social · 20/11/2024
Just came across this method from 1970: researchers used a periscope-like device frozen into the ice to watch fish under the surface. Such a clever way to study winter ecosystems! 🐟❄️ From Magnuson & Karlen (1970). #FisheriesScience doi.org/10.1139/f70-...
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Reposted by Bradley E. Howell
Conservation Physiology @conphysjournal.bsky.social · 10/07/2024
This study identified factors that affect behaviour and physiology of lake trout during catch-and-release angling. These insights may be used to develop context-specific best practices for angling. Read it here: doi.org/10.1093/conp...
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Bradley E. Howell @bradhowelll.bsky.social · 05/07/2024
NEW READ in @conphysjournal.bsky.social! We examined reflexes, blood indices, and brief post-release locomotor activity in lake trout angled during the summer and fall spawning season. With @sjcfishy.bsky.social, @calebhasler.bsky.social, and others. academic.oup.com/conphys/arti...
academic.oup.com
Sex and season influence behaviour and physiology of lake trout following angling
We examined impacts of catch-and-release angling on lake trout angled during the summer and fall spawning season. We measured reflexes, blood indices, and,
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Bradley E. Howell @bradhowelll.bsky.social · 23/06/2024
Had a great time today with Leah Howitt sharing some of the science we do at Queens University Biological Station. Missing from our booth is Mitchell Shorgan!
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Bradley E. Howell @bradhowelll.bsky.social · 24/11/2023
Sharing info with resource users is one of my favourite parts of the job. Check out our lake trout article in Hooked Magazine @calebhasler.bsky.social! www.hookedmagazine.ca/ground-break...
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Reposted by Bradley E. Howell
cars-afs.bsky.social @cars-afs.bsky.social · 23/11/2023
Congratulations to the 2023 Larkin Award Runner-up (PhD Level) Erin Stewart! Erin’s PhD w/ Dr. Raby and Dr. Wilson @TrentUniversity investigates physiological traits that influence the intraspecific thermal tolerances of wild #BrookTrout populations #SalvelinusFontinalis
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