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Fabian Roger @latrunculia.bsky.social · 22/01/2024

1) It's about population growth rates, NOT species extinctions 2) it's only about vertebrates 3) it's average decline rates _irrespective_ of population size I admire the intention of LPI but the index itself is terrible and widely misunderstood. Something is not always better than nothing.

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Fabian Roger @latrunculia.bsky.social · 22/01/2024

Tl;Dr the LPI averages décline rates in vertebrate population time-series but doesn't account for population size. It also weights the time-series by taxa richness - which gives most weight to time-series with the least amount of data.

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Fabian Roger @latrunculia.bsky.social · 22/01/2024

No, we have not lost two thirds of all species in the last 60 years. I see this (or variations of) this claim all the time. It's (luckily!) a bad misunderstanding of the Living Planet Index (LPI) 👇 www.linkedin.com/feed/update/...

linkedin.com

IMD on LinkedIn: Welcome to the brave new world of eDNA and ecoacoustics

Navigating biodiversity accountability With over two-thirds of species lost in the past 60 years and more than a million more at risk in the next decade…

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Fabian Roger @latrunculia.bsky.social · 11/01/2024

The #WEF global risk support for 2023: Climate Change & Biodiversity #1-#3 for in 10 years but Biodiversity doesn't make the Top10 for in 2 years. Biodiversity is super important but always only in the future. This is dangerous thinking. www.weforum.org/publications...

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Fabian Roger @latrunculia.bsky.social · 10/01/2024

👇👇👇 3 decades (!) of biodiversity change captured by #airborne #eDNA 🌬️🧬 The best evidence of the power of airborne eDNA to date, long time-series, very thorough analysis. Per Stenberg (@umeauniversity) got funding for this in 2017 (!). So glad to see it out 👏👏👏 www.biorxiv.org/content/10.1...

biorxiv.org

Airborne eDNA captures three decades of ecosystem biodiversity

bioRxiv - the preprint server for biology, operated by Cold Spring Harbor Laboratory, a research and educational institution

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Fabian Roger @latrunculia.bsky.social · 10/01/2024

scholar.google.com/citations?us...

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Fabian Roger @latrunculia.bsky.social · 08/01/2024

"Das "Bündnis Sahra Wagenknecht" wird von einer Doppelspitze geführt" Sahra W. und S. Wagenknecht?

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Fabian Roger @latrunculia.bsky.social · 20/12/2023

Sounds like interesting work! I couldn't find in the article how the 'dust' was sampled? Is there a pre-print already?

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Fabian Roger @latrunculia.bsky.social · 11/12/2023

From my part, this was the brainchild of my PhD, after thinking about diversity metrics and multifunctionality metrics *a lot* and finally coming to the conclusion that they are intimately related. Jarretrobi independently thought along the same lines.

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Fabian Roger @latrunculia.bsky.social · 11/12/2023

I am really excited and unduly proud that the new Multifunctionality metric and framework we propose with @jebyrnes.bsky.social and Robert Bagchi was taken up and developed upon by Anne Chao herself 😊 (and a great cast of co-authors) onlinelibrary.wiley.com/doi/full/10....

onlinelibrary.wiley.com

Hill–Chao numbers allow decomposing gamma multifunctionality into alpha and beta components

Ecology Letters is a broad-scope ecology journal considering all taxa, in any biome and geographic area, and spanning community, microbial & evolutionary ecology.

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Fabian Roger @latrunculia.bsky.social · 11/12/2023

I re-read @xkcd.com "what if" (2014) and came across this doodle which illustrated a task that is easy for humans but hard for computers (describe what happened in this scene?) I am happy to report that it is _still_ difficult for computers 😁

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Fabian Roger @latrunculia.bsky.social · 10/12/2023

Google needs to better filter its autogenerated responses.

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Fabian Roger @latrunculia.bsky.social · 07/12/2023

Der Diskurs ist so vergiftet wie bei keinem anderen Konflikt bevor. Mensch hat die Wahl zwischen Antisemit oder Genozid-befürworter. Wohin soll das führen?

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Fabian Roger @latrunculia.bsky.social · 25/11/2023

I new the biofuel debate but I had no idea of the scale of it 😦 tl;dr: the US produces Biofuel on an area equivalent to the *surface of the UK*, covering 10% of the fuel demand. If photovoltaik was insatlled on 1/12th of that area, it could power an all-electric US Car fleet 😲

open.substack.com

Biofuels: the US could switch to electric cars and solar power on just a fraction of the land

Biofuels could be making climate change worse, not better. There's a way to put this land to good use.

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Fabian Roger @latrunculia.bsky.social · 24/11/2023

Plos One tried to make a new phone publishing model work. MPDI saw the flaw and decided to make big bugs of it... 🤷

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Fabian Roger @latrunculia.bsky.social · 22/11/2023

And the journals are popular / esteemed because? Of course IFs were deviced as proxy for 'quality' however that is defined (Zen and the Art of Motorcycle maintenance). I don't say they are a good proxy (but I do think we give them more credit than we admit). It's a different discussion though.

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Fabian Roger @latrunculia.bsky.social · 21/11/2023

2/2 that's an argument for preprints (which I am a great fan of) not for predatory publishers that also publish good papers. The backlash against MDPI is against the publisher l, not all articles published by it.

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Fabian Roger @latrunculia.bsky.social · 21/11/2023

No it doesn't and it turns the argument on its head. I argued that I don't trust MDPI to provide any wetting of the articles they publish (in my field) that I trust. Doesn't mean I blindly trust other publishers but say BES journals I trust more 🤷. And if we just go by the article 1/2

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Fabian Roger @latrunculia.bsky.social · 21/11/2023

And why would the librarians spend money to subscribe to journals with higher IFs? For whom did the librarians licence the journals? But again, this is not a defence of the IF, it was just to say that journals have signaling power. And if we don't believe that, the alternatives are pre-prints.

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Fabian Roger @latrunculia.bsky.social · 21/11/2023

I know&I'm a big fan of preprints. I do think we need mechanisms of peer-endorsments and quality checks but I am not convinced journals are the best way to go. BUT if we go with journals, we need at least to reject the predatory ones...

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Fabian Roger @latrunculia.bsky.social · 21/11/2023

What I don't get is, following the 'read the paper' argument, what service does MDPI provide over (bio)arxive or any other pre-print server? It's completely free for anyone, authors and readers.

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Fabian Roger @latrunculia.bsky.social · 21/11/2023

Fair if it's an easy to check experimental result. If it's a review on a niche topic (of which there are many in MDPI) it's difficult to assess the quality if I am not an expert myself. If it's a reputable journal in the field I trust it was wetted, for MDPI I don't.

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Fabian Roger @latrunculia.bsky.social · 21/11/2023

For libraries to select what journals to subscribe to, so we scientists can read them...

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Fabian Roger @latrunculia.bsky.social · 21/11/2023

If any, then the role of journals is to provide a proxy to screen the Literatur. The IF was invented for that (with all its flaws). It is literally impossible to read all relevant papers and 'judge by ourselves'. The argument against MDPI is also against the publisher, not all papers.

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Fabian Roger @latrunculia.bsky.social · 21/11/2023

Quality standards - such that I am reluctant to cite MDPI papers. And I think in both cases they abuse underprivileged communities and ECRs more than they serve them.

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Fabian Roger @latrunculia.bsky.social · 21/11/2023

Hmm, not sure I follow that logic. MDPI can very well have some good papers but pursue a predatory (ish) model, or? Just as bioarxive can have excellent papers even if they are pre-prints. The rejection of MDPI (from me) comes from their hyper-aggressive special issue politics and the lack of 1/2

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Fabian Roger @latrunculia.bsky.social · 20/11/2023

Cool! As soon as you have any sequencing results I'd be very curious to chat. We also tested 8 sampler types and are about to sequence 5 marker genes :) (happy to chat before, too, of course)

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Fabian Roger @latrunculia.bsky.social · 20/11/2023

Oh right. Yes, Anish told me about your work, cool stuff! Would be nice to chat sometime to exchange experiences?

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Fabian Roger @latrunculia.bsky.social · 20/11/2023

(sorry, my Bluesky profile is barebones for now. Here is my LinkedIn www.linkedin.com/in/fabian-ro...)

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Fabian Roger @latrunculia.bsky.social · 20/11/2023

Would love to learn more about what you're doing!

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Reposted by Fabian Roger

Ketan Joshi @ketanjoshi.co · 20/11/2023

this is a bloody great name for a climate report www.unep.org/resources/em...

Broken Record
Temperatures hit new highs, yet world fails to cut emissions (again)
UN
environment programme
。

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