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Reposted by Hans Henrik Bruun

Sean Pang @seh-pang.bsky.social · 09/07/2026

Yesterday we shared the paper. Today I want to share the story behind it. We thought it was all about climate change. Then the models failed. That failure eventually led us to disturbances, and to a very different view of Europe’s flora. Read it @ communities.springernature.com/posts/europe...

communities.springernature.com

Europe’s flora is living in a landscape out of Equilibrium

99% of plant distributions in Europe show signs of disequilibrium. The surprise? Climate change was only part of the story. Disturbance emerged as an even more pervasive force shaping where species oc...

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Reposted by Hans Henrik Bruun

Sean Pang @seh-pang.bsky.social · 08/07/2026

Almost every European plant species is out of equilibrium. Climate change is only part of the story—disturbance greatly shapes where species actually occur. 🚨Our new paper 🌱in @natecoevo.nature.com analysed 3,047 species across >1.1M European vegetation plots. www.nature.com/articles/s41...

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Hans Henrik Bruun @hhbruun.bsky.social · 01/05/2026

Når man kigger på gamle landskabsfotos bliver det klart hvor voldsomt træer og buske er gået frem i det danske landskab de sidste 200 år. Der var fx helt bart på Sepstrup Sande vest for Silkeborg i 1900 da prof. Eug. Warming kom forbi med sit kamera. Fotos fundet i SNMs arkiv.

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Hans Henrik Bruun @hhbruun.bsky.social · 08/04/2026

OK, as long as you demand a similar level of evidence for traditional management (i.e. oldfashioned ag) and all the other things you’ve known since childhood

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Hans Henrik Bruun @hhbruun.bsky.social · 24/01/2026

Were it not for the all too frequent school shootings, one could easily get the impression there are no schools in the US

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Hans Henrik Bruun @hhbruun.bsky.social · 30/12/2025

Kudos to Yuan-zhen Liu and Philip F. Thomsen, who led the work. Thanks to all collaborators, Jesper Bechsgaard, Lynn Dicks, Toke Thomas Høye, Trine Bilde and Sean Birk Bek Craig

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Hans Henrik Bruun @hhbruun.bsky.social · 30/12/2025

The rarest species, Andrena marginata, showed severe decline in the most recent 50-100 y The other rare species, Bombus veteranus, had gone through steep decline more than 1000 y ago and a more stable trend since then One of the common spp, B. pascuorum, showed pop size changes on a 50 ky time scale

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Hans Henrik Bruun @hhbruun.bsky.social · 30/12/2025

🐝 We used pooled whole-genome sequencing data to reconstruct demographic history for two rare and two common wild bee species 📉 The two rare species showed lower historical population sizes than the two common species 📊 The approach was validated using simulated data doi.org/10.1111/mec....

doi.org

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Hans Henrik Bruun @hhbruun.bsky.social · 16/12/2025

Could it be because some human activities mimicked lost megafauna impacts from the evolutionary (Pleistocene) landscapes in which species arose and developed? The Holocene has in many ways presented aberrant ecosystem properties

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Hans Henrik Bruun @hhbruun.bsky.social · 15/12/2025

A great ecologist and scientist. His southern hemisphere perspective on “European” ecology was very stimulating and thought-provoking.

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Hans Henrik Bruun @hhbruun.bsky.social · 11/12/2025

Next step: Comparison with recent data to identify winners, lossers and drivers of change 🌳🍂🥀

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Hans Henrik Bruun @hhbruun.bsky.social · 11/12/2025

@dittemch.bsky.social has led the digitization of the historical dot maps of plant species distribution in Denmark. After a lot of harmonization and validations, the data (10 x 10 km grid) are now out with a preprint describing the procudure. #biodiversity_change #legacy_data

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Reposted by Hans Henrik Bruun

Peter Nymann Eriksen @nymann76.bsky.social · 13/11/2025

Så er udkast til habitatkonsekvensvurderingen af Tangeværket ude! Tak til @Altingetdk Jeg håber du læser med, @jeppebruus.bsky.social #vildgudenå legacy.altinget.dk/misc/udkast-...

legacy.altinget.dk

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Hans Henrik Bruun @hhbruun.bsky.social · 27/10/2025

"The decline in success rates is absolutely not satisfactory, because it sometimes borders on a lottery” Nature 17 October 2025 Well, an honest lottery would IMHO be far better. For the reasons outlined here: blogs.lse.ac.uk/impactofsoci...

blogs.lse.ac.uk

Funding competition sabotages science - Impact of Social Sciences

Research funding competitions seem fair but are often flawed. Gerald Schweiger, Adrian G. Barnett and Stijn Conix argue lotteries may support better science.

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Hans Henrik Bruun @hhbruun.bsky.social · 20/10/2025

Hommage to Sofia Corradi, who conceived the idea of academic degrees without borders - the Erasmus Program

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Hans Henrik Bruun @hhbruun.bsky.social · 18/10/2025

Indeed the asexual generation of the gall wasp Neuroterus quercusbaccarum on common oak. If you pop some galls off, you may find larvae of the inquiline gall midge Parallelodiplosis galliperda bladmineerders.nl/parasites/an...

bladmineerders.nl

Parallelodiplosis galliperda – Plant Parasites of Europe

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Reposted by Hans Henrik Bruun

Jens-Christian Svenning @jcsvenning.bsky.social · 17/10/2025

Bumble #bee #pollination of #linden already 24.6 milllion years ago - cool new empirical illustration of the deep roots of the ecologies of modern-day species www.sci.news/paleontology... (photo 1: commons.wikimedia.org/wiki/File:Bombus_hypnorum_-_Tilia_cordata_-_Keila.jpg)

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Hans Henrik Bruun @hhbruun.bsky.social · 13/10/2025

Thanks in particular to Michele Di Musciano, Riccardo Testolin and Ale Chiarucci for stearing the boat safely ashore

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Hans Henrik Bruun @hhbruun.bsky.social · 13/10/2025

The results only tell us that site selection was (a lot) better than random, not if the management of N2000 sites secured long-term persistence of biodiversity. Alas, lots of evidence suggest the opposite. #N2K #spatialconservationplanning

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Hans Henrik Bruun @hhbruun.bsky.social · 13/10/2025

New paper alert! The EU Natura 2000 network encompasses populations of most vascular plant species in the region, but with a lot of spatial variation in representativity. The results provide guidance for for better coverage after the planned network expansion. doi.org/10.1111/cobi...

doi.org

Representativeness of the Natura 2000 network for preserving plant biodiversity in the European Union

The Natura 2000 (N2K) network of protected areas is one of the main tools for area-based conservation in the European Union (EU), yet its role in preserving plant biodiversity requires better underst...

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Reposted by Hans Henrik Bruun

martinswarren.bsky.social @martinswarren.bsky.social · 11/10/2025

The new European Butterfly Red List is published today, with worrying findings. Over 1/4 (28%) of Europe’s 442 species are threatened with extinction or are close to being so. The situation is far worse for our 148 endemic species, 40% are now threatened or nearly so www.bc-europe.eu/webpage.php?...

Front cover of the European Butterfly Red List, showing Polyommatus humedasae. The report can be downloaded at https://www.bc-europe.eu/webpage.php?name=red-list-butterflies-2025

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Reposted by Hans Henrik Bruun

Olivier Honnay @olivierhonnay.bsky.social · 03/10/2025

📢 Vacancy: I am urgently recruiting a PhD candidate to join a project on selection processes in pedunculate oak. 📅 Start date: no later than December 1st.

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Hans Henrik Bruun @hhbruun.bsky.social · 27/09/2025

Well, I believe it’ll be more applicable than the binary concept in less studied taxa and regions, as it is less evidence demanding when it comes to questions like “how did the species arrive in the focal area” etc.

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Hans Henrik Bruun @hhbruun.bsky.social · 26/09/2025

Thank you, Camilla Colding-Jørgensen for leading this important work, and to @jcsvenning.bsky.social and @r-ejrnaes.bsky.social for the collaboration, which was funded by the 15 June Foundation

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Hans Henrik Bruun @hhbruun.bsky.social · 26/09/2025

Using the flora of Denmark, we show that a large proportion of species are treated as 'native' by one source and as 'non'native' by others, i.e. are of uncertain status. Using a graduated definition, most of these species end up in the 'near-native' category

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Hans Henrik Bruun @hhbruun.bsky.social · 26/09/2025

Native and near-native species share most of their Pleistocene history. Are near-natives may well be our new natives under global climate change.

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Hans Henrik Bruun @hhbruun.bsky.social · 26/09/2025

Nativeness cannot be binary, if is to make sense and be practically applicable at the scale of countries. We propose a graduated definition, in which species native to neighbouring territories are considered "near-native" doi.org/10.1002/oik....

doi.org

A graduated nativeness definition for overcoming dilemmas and difficulties of vascular plant species

Nativeness is a concept central to biodiversity conservation and invasion biology, but there are several problems related to a classic binary nativeness definition. Dilemmas arise from the dynamic na...

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Hans Henrik Bruun @hhbruun.bsky.social · 26/09/2025

Bilbo Segge ville være misundelig (sorry, lousy joke)

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Hans Henrik Bruun @hhbruun.bsky.social · 26/09/2025

Men ja, egentlig er det jo logisk nok. Alligevel tror 99% af den danske befolkning (og politikere) at biodiversitetskrisen skal løses ude på markerne. Den grønne trepart bygger 100% på at gøre ingenting i de officielt, men ikke reelt, beskyttede naturområder, men i stedet lave *skovrejsning*

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Hans Henrik Bruun @hhbruun.bsky.social · 26/09/2025

Nja, bare at sandsynligheden for lokal uddøen er lige så stor inden for Natura2000- og §3-beskyttede områder som udenfor. De officielt beskyttede naturområder DK melder ind til EU og CBD er streger på kort uden reel virkning for de truede arter. Læs videre her: doi.org/10.1016/j.bi...

doi.org

Redirecting

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Hans Henrik Bruun @hhbruun.bsky.social · 24/09/2025

"We show that unmanaged forests are the backbone of biodiversity conservation ... We conclude that to preserve forest biodiversity in Europe, we should increase the proportion of unmanaged forests and the amount of structures supporting biodiversity in extensively managed forests.

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Reposted by Hans Henrik Bruun

Sabina Burrascano @sabina-burrascano.bsky.social · 23/09/2025

Just out in PNAS! We used multi-taxon data to model virtual forest landscapes. Forest withdrawn from timber harvesting are needed in a much higher share than they currently are in Europe, and extensive forests contribute less than expected to multi-taxon diversity. www.pnas.org/doi/10.1073/...

pnas.org

Sustainable forest planning: Assessing biodiversity effects of Triad zoning based on empirical data and virtual landscapes | PNAS

The Triad framework seeks to balance the economic and ecological functions in forested landscapes by combining intensively, extensively, and unmana...

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Reposted by Hans Henrik Bruun

Joerg Lau @joerglau.bsky.social · 17/09/2025

Besser kann man es nicht zusammenfassen

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Reposted by Hans Henrik Bruun

Ariel Brunner @arielbrunner.bsky.social · 17/09/2025

Sweden and Finland have increased logging levels to such a point that their forests are now a net source of emissions. Their Prime Ministers are asking to be exempt from EU #Climate target so that they keep going. Oh and they blame climate change. #NoShame #Forests

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Hans Henrik Bruun @hhbruun.bsky.social · 12/09/2025

I have also contacted the EiC of Review of Communication Research. They say they will pass on my report to the editorial staff. Let's see what verdict is reached there ...

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Hans Henrik Bruun @hhbruun.bsky.social · 12/09/2025

I first got a message from ResearchGate: "Your work has been cited". When I realized the nature of that citation, I reported the fraudulent content to ResearchGate. Their response: "we have decided *not* to remove the reported content"

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Hans Henrik Bruun @hhbruun.bsky.social · 12/09/2025

In their Table 2, the authors claim to summarize data from our paper and 14 others. But the figures do not come from our study of plants, insects and fungi (how could they?). The authors surely haven’t read, nor understood, our study. But much worse, their data must be considered *fabricated*

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Hans Henrik Bruun @hhbruun.bsky.social · 12/09/2025

Disturbing citation In 2022, we published a study on *consumers*, i.e. animals and fungi that consume biomass produced by other organisms, e.g. plants. Now, our paper has been cited in what claims to be a metaanalysis of "Consumer Satisfaction in Live Streaming E-commerce". Far out!

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Hans Henrik Bruun @hhbruun.bsky.social · 15/08/2025

New gall mite species, Fragariocoptes tridentatae Ripka & H.H.K.Bruun, which I found last summer during field work in southern Greenland. It induces really conspicuous galls on Sibbaldia tridentata doi.org/10.11158/saa... It's a 100% bycatch, but I love it anyway 😍

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Reposted by Hans Henrik Bruun

Eric Rosén @detljuvalivet.bsky.social · 30/07/2025

Minst 18 500 barn har dödats i Gaza sedan Israel inledde sitt försök att utrota den palestinska befolkningen. Washington Post har samlat och publicerat deras namn: www.washingtonpost.com/world/intera...

washingtonpost.com

60,000 Gazans have been killed. 18,500 were children. These are their names.

Palestinian children have been killed at a rate of more than one per hour since the war began.

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Hans Henrik Bruun @hhbruun.bsky.social · 20/07/2025

Hvis man vil vide hvor Helvede ligger, kan man tjekke artens udbredelse på GBIF. Det er tankevækkende her i feriesæsonen hvor mange danskere der frivilligt tager til Helvede for at slappe af 😉

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