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Posts by Robert M. Hechler

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Join us at the #SWEEET Symposium on May 14 (1:30-5pm) at #CSEE2026! We're tackling three barriers facing equity-deserving researchers: parenthood, fieldwork access & socioeconomic challenges. Featuring talks by Drs. Courtney Robichaud, Rachel Giles & Diane Srivastava. We hope to see you there!

1 day ago 15 11 1 0
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Many thanks to Drs. Akira Mori (@akkym.bsky.social), Shinichi Tatsumi and Xinyu Xu for the invitation to present at their Biodiversity and Ecosystem Functioning Symposium at the Ecological Society of Japan Annual Meeting in Kyoto. Wonderful to be part of such a great lineup of speakers! #ESJ73 #BEF

1 month ago 14 1 0 0

I'm excited to read this. It looks like a very interesting study!

2 months ago 1 0 1 0
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Temperature variation and life history mediate nonlinearity in fluctuations of marine fish populations worldwide - Nature Ecology & Evolution A global analysis of marine fish populations involving 243 recruitment and 266 spawner time series across 143 species finds that nonlinear dynamics are widespread and that the degree of nonlinearity i...

A global analysis of marine fish populations involving 243 recruitment and 266 spawner time series across 143 species finds that nonlinear dynamics are widespread and that the degree of nonlinearity is amplified by temperature variation and in fast-lived species ๐Ÿงช www.nature.com/articles/s41...

2 months ago 6 5 0 0

Thanks Carling! I appreciate it :)

2 months ago 0 0 0 0
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Call for Donations to Support the SWEEET/CSEE Equity Fund ๐ŸŒฑ๐Ÿงฌ๐ŸŽ“
Help remove financial barriers by supporting grad students & postdocs attending #CSEE2026 in Toronto through donating to the Equity Fund. Support access to science by donating / sharing! @csee-scee.bsky.social #EcoEvo

gofund.me/cca1d39af

2 months ago 8 14 0 1

Check out the accompanying Research Briefing for a summary of background, methods, main results and what we think this means for marine fishes under climate change.

Read it here: doi.org/10.1038/s415...

@natecoevo.nature.com

2 months ago 4 0 0 0

Our findings challenge assumptions of stable equilibria common to #fisheries management and #ecology more broadly. The results suggest that variability from climate change as well as fishing-induced age truncation may lead to larger and/or more frequent boom-and-busts.
#macroecology @utoronto.ca

2 months ago 2 0 0 0
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Temperature variation and life history mediate nonlinearity in fluctuations of marine fish populations worldwide - Nature Ecology & Evolution A global analysis of marine fish populations involving 243 recruitment and 266 spawner time series across 143 species finds that nonlinear dynamics are widespread and that the degree of nonlinearity i...

New in @natecoevo.nature.com, we show that nonlinear dynamics like oscillations & chaos occur in 81% of marine fish populations worldwide. Nonlinearity was correlated with the magnitude of fluctuations & amplified by temperature variation & in fast-lived species. ๐ŸŒ๐ŸŒ

Link: doi.org/10.1038/s415...

2 months ago 17 7 2 1

Very cool study! I enjoyed the write up too. And of course Julian was up for the 4am wake-up calls haha - he's the best!

5 months ago 1 0 1 0
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Equity for early-career researchers in fisheries and aquatic science | Canadian Science Publishing

Reflecting on what weโ€™ve done and what more we can do to advance #equity in ๐Ÿ‡จ๐Ÿ‡ฆ#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 ๐Ÿ’™๐Ÿ’ง

6 months ago 13 7 0 0

Nice!! Congrats Lucas & co !

8 months ago 1 0 0 0
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Temperature variation and life history mediate the degree of nonlinearity in fluctuations of global marine fish populations Nonlinear dynamics readily occur in natural ecosystems and can drive irregular population fluctuations through oscillations, chaos and alternative stable states. However, the effects of anthropogenic ...

Our results challenge assumptions of stable dynamics and suggests nonlinear fluctuations of fish populations are magnified by size-selective fisheries and increasing environmental variability from global climate change

www.biorxiv.org/content/10.1...

9 months ago 1 0 0 0
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Temperature variation and life history mediate the degree of nonlinearity in fluctuations of global marine fish populations Nonlinear dynamics readily occur in natural ecosystems and can drive irregular population fluctuations through oscillations, chaos and alternative stable states. However, the effects of anthropogenic ...

New preprint! We analyzed ~500 global marine fish time series using #EmpiricalDynamicModeling and show that temperature variation amplifies nonlinearity in juveniles and adults, while life history mediates nonlinearity for the latter, dampening it in slow-lived species #Ecology #Fisheries

9 months ago 4 1 1 0

This looks very interesting, I look forward to reading the paper. Congrats to your team!

9 months ago 1 0 0 0

Extremely grateful to receive the award. Thank you @asn-amnat.bsky.social for supporting my work!

1 year ago 9 0 0 0
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Temperature sensitivity of the interspecific interaction strength of coastal marine fish communities Fish environmental DNA remaining in a cup of seawater provides information about interaction strengths among marine fish species in nature, highlighting the potential impact of global climate change o...

Find the original article by Masayuki Ushio and colleagues published in @elife.bsky.social here: doi.org/10.7554/eLif...

1 year ago 5 1 0 0
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Quantifying species interactions in the Anthropocene - Nature Reviews Biodiversity Nature Reviews Biodiversity - Quantifying species interactions in the Anthropocene

Empirical dynamic modeling of #eDNA data goes beyond presence/absence, allowing for the identification and quantification of species interactions through time. Check out my journal club commentary on Ushio and colleagues' exciting work, out now in @natrevbiodiv.bsky.social !

go.nature.com/41543Ql

1 year ago 9 1 1 0
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I usually reserve this account for my personal views; but today I want to represent my position as President of @asn-amnat.bsky.social to post a message that will shortly go out to the membership of the American Society of Naturalists from the ASN Executive Council

1 year ago 788 313 34 57

Really enjoyed reading this cool paper and am looking forward to the package!

1 year ago 1 0 0 0

Could you please add me to it? Thank you!

1 year ago 1 0 1 0

This is great, Asher! Could you please add me? Thanks

1 year ago 1 0 0 0