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Florian Leese

@leeselab.bsky.social
1.3K followers 761 following 78 posts

Professor at University of Duisburg-Essen 🇪🇺🇩🇪 tweeting mostly about the work we do in our Aquatic Ecosystem Research Group. A lot of DNA / eDNA & popgen stuff on streams & automated biodiversity monitoring approaches.

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Reposted by Florian Leese
BIOspektrum @claudialudy.bsky.social · 27/08/2026
Eine Studie der @unidue.bsky.social am Beispiel der Lippe zeigt, wie die pragmatische, umfangreiche und gleichzeitig günstige DNA-Analyse der Artenvielfalt in Gewässern gelingen kann. doi.org/10.1016/j.ec... @leeselab.bsky.social Bild: © Till-Hendrik Macher
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Thomas Hörren @thoerren.bsky.social · 10/09/2026
Gemeinsam mit dem @leeselab.bsky.social darf ich in 14 Tagen noch mal das zweitägige Seminar anbieten, das im letzten Jahr allen schon viel Freude bereitet hat: klassische und moderne Einblicke in die Biodiversitätsforschung draußen in einem Naturschutzgebiet und im Entomologischen Verein Krefeld ⬇️
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Florian Altermatt @florianaltermatt.bsky.social · 19/04/2026
Effective #biodiversity 🐟 🐠 🤝 policy making depends on #comparable and #generalisable data. We demonstrate how #eDNA 🧬 is empowering 💪 🌍 🌐 global biodiversity analyses. 1/8
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Physalia-courses@ONLINE @physaliacourses.bsky.social · 07/03/2026
TaxonTableTools2 is out! 🎉 A user-friendly interface to explore taxonomic tables, run analyses, & create publication-ready visualizations. Its mission: make (e)DNA metabarcoding faster, easier & more accessible 🧬 shorturl.at/3p89m @tillmacher.bsky.social @leeselab.bsky.social
github.com
GitHub - TillMacher/TaxonTableTools2: TaxonTableTools - A comprehensive, platform-independent graphical user interface software to explore and visualise DNA metabarcoding data
TaxonTableTools - A comprehensive, platform-independent graphical user interface software to explore and visualise DNA metabarcoding data - TillMacher/TaxonTableTools2
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Physalia-courses@ONLINE @physaliacourses.bsky.social · 23/02/2026
We’ve kicked off the #eDNA #Metabarcoding workshop with @leeselab.bsky.social , @dominikbuchner.bsky.social , @tillmacher.bsky.social, and a highly international group of attendees working on a variety of exciting projects. Looking forward to a fun and productive week of learning! 🎉
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Metabarcoding and Metagenomics @mbmg.pensoft.net · 15/01/2026
🎉Our 2025 Editor's Choice award goes to: "Surface swabs outperform most traditional honeybee (Apis mellifera) hive samples for recovery of eDNA and eRNA" by Erin Hill, Liz Milla, Francisco Encinas-Viso, James O'Dwyer, Ben Gooden, Mariana Hopper, John Roberts. 🔗 mbmg.pensoft.net/news/1075
mbmg.pensoft.net
MBMG's 2025 Editor's Choice Award
For a third year in a row, Metabarcoding & Genomics has selected its winner for the Editor’s Choice 2025 award.The winning article is: “Surface swabs outperform most traditional honeyb...
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Ecotoxicology lab RC One Health Ruhr @ecotox.bsky.social · 24/11/2025
New study on the spatial dimension of multiple stressors. Gemma Burgazzi (iDiv) did a great job in running this mesocosm experiment. Effects of single stressors cascaded along the network, with stronger downstream effects. Thanks to all contributors! @leeselab.bsky.social doi.org/10.1002/ecog...
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Florian Altermatt @florianaltermatt.bsky.social · 29/09/2025
In massive #collaborative #effort, we assembled published & unpublished #fish 🐟 #eDNA 🧬 metabarcoding datasets, covering ~2000 sampling sites/>100 river systems globally. 🐟 🐠 🐡 🌐 🌍 Now results out in 2 #parallel #preprints @biorxiv-ecology.bsky.social #aquatic #biodiversity #meta-analysis 1/6🧵
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Florian Leese @leeselab.bsky.social · 08/09/2025
Every year a highlight & intense period: Our molecular ecology module! We train advanced Master students on how to apply DNA & #eDNA #metabarcoding to assess riverine #biodiversity. Long #Day1 today as we sampled until 19:30. Motivation: 10/10. Tomorrow: to the lab! @unidue.bsky.social @sgn.one
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Ecotoxicology lab RC One Health Ruhr @ecotox.bsky.social · 02/09/2025
New database on thermal tolerance on freshwater invertebrates and fish - major effort by Helena Bayat and many collaborators. Freely available here: www.nature.com/articles/s41...
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Doerthe Tetzlaff @tetzlaffecohyd.bsky.social · 02/09/2025
There is funding for early career scientists to attend!
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Florian Leese @leeselab.bsky.social · 02/09/2025
15th Water Research Horizon Conference of the #WaterScienceAlliance will take place @ruhr-uni-bochum.de 29/30 September. Focus: #urban water bodies / #watercycle Time for inter- & transdisciplinary discussions. Also: Award ceremony of new junior #research group water-research-horizon.de/wrhc.html RT
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Metabarcoding and Metagenomics @mbmg.pensoft.net · 29/08/2025
By comparing three strategies for local bioassessments in streams using environmental DNA and RNA metabarcoding, researchers find the most effective strategy is to briefly incubate collected organisms in water then analyse the enriched eDNA. 🔗 doi.org/10.3897/mbmg...
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Ecotoxicology lab RC One Health Ruhr @ecotox.bsky.social · 12/08/2025
Check out this new article on null model selection for multiple stressor research. Fantastic work by Iris Pimentel from @leeselab.bsky.social within the @crc-resist.bsky.social. Freely available at: dx.doi.org/10.1002/ece3...
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Thomas Hörren @thoerren.bsky.social · 19/07/2025
Wahl zum Wissensbuch des Jahres 2025 Ich freue mich sehr, dass unser Buch „Von Angesicht zu Angesicht“ dabei ist! Ihr könnt uns sowie unsere Arbeit, mit der wir für biologische Vielfalt begeistern, mit eurer Stimme in der Kategorie „Ästhetik“ unterstützen: www.konradin-service.de/umfrage/inde...
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Florian Leese @leeselab.bsky.social · 24/07/2025
It’s happening again! Our @crc-resist.bsky.social team from @unidue.bsky.social is in Hesse to prepare the next large #ExStream experiment. Stay tuned. #freshwater #biodiversity #multiplestressors
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Florian Leese @leeselab.bsky.social · 18/07/2025
And it’s a wrap! Thx to all participants - and the instructor colleagues, and the fantastic @physaliacourses.bsky.social team. How good you bring people together through organizing these courses. ☀️🙏
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The Probst Lab @probstlab.bsky.social · 16/07/2025
We’re happy to announce Dr. Lennard Stach!! 🥳🥳 Well done Lennard for a brilliant defense and thesis!! We will miss you! Finally, thank you @leeselab.bsky.social for sitting in the thesis committee! 🫶
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Physalia-courses@ONLINE @physaliacourses.bsky.social · 14/07/2025
🎉 We’re thrilled to kick off the Eukaryotic "eDNA" Metabarcoding workshop with @leeselab.bsky.social @dominikbuchner.bsky.social , @tillmacher.bsky.social , @shump.bsky.social & an amazing group of participants joining us from across the globe—from Australia to Peru, from USA & Canada to Europe! 🌍🧬💻
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Florian Leese @leeselab.bsky.social · 01/07/2025
Our team @unidue.bsky.social turned 🔟 today & I found myself in a spontaneous celebration event. Really happy & grateful to work here with such a great bunch of talented & nice people - connected to our collaborators around the 🌎. Life could be worse. Weiter geht‘s. ☀️Maybe more lab work next 🔟 ?
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Florian Leese @leeselab.bsky.social · 28/06/2025
Very good to see our @pensoft.net journal @mbmg.pensoft.net continues to receive good CiteScores and also now the first #ImpactFactor with a good value of 3.1 ☀️ While I personally don’t care much about these metrics I know they are really relevant for many institutions. Thus: very happy about this!
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Florian Leese @leeselab.bsky.social · 27/06/2025
🙏 And just as an addition: don‘t use these primers for bulk sample metabarcoding. There others are ways better (we recommend fwhF2/fwhR2n as a good solution; further solutions like BF2/BR3 or mlCOI with dgHCO exist)
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Florian Leese @leeselab.bsky.social · 10/06/2025
Immer ein Highlight: die #DGL Jahrestagung. 2025 laden wir zu einer Special Session ein: „Genetischen Verfahren im biologischen Gewässermonitoring“ 🧬 👉 auf 🇩🇪&🇬🇧 Kommt vorbei, meldet euch an: www.dgl-jahrestagungen.de/phone/index.... #Vortrag #Poster #Tagung #Limnologie #omics #eDNA #Monitoring
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Physalia-courses@ONLINE @physaliacourses.bsky.social · 28/05/2025
Join us for the Eukaryotic Metabarcoding course w/ @leeselab.bsky.social @dominikbuchner.bsky.social shorturl.at/wRW4T Till & @shump.bsky.social Get hands-on experience analysing Illumina & @nanoporetech.com data & learn how to run metabarcoding pipelines from raw sequences to ecological insights
physalia-courses.org
Eukaryotic metabarcoding
14-18 July 2025 To foster international participation, this course will be held online
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Nature Reviews Biodiversity @natrevbiodiv.nature.com · 20/05/2025
Contributors include: @florianaltermatt.bsky.social, @rosiecblackman.bsky.social, @francoiskeck.bsky.social, @lorihandley.bsky.social, @leeselab.bsky.social
b.bsky.social
Bluesky
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Nature Reviews Biodiversity @natrevbiodiv.nature.com · 20/05/2025
In our May issue: Perspective led by Florian Altermatt discussing how to bring aquatic eDNA collection and data management in line with the Kunming-Montreal Global #Biodiversity Framework. 🧪🌎 Web link: go.nature.com/4mv2h4W Readcube: rdcu.be/eh0uC
go.nature.com
Utilizing aquatic environmental DNA to address global biodiversity targets - Nature Reviews Biodiversity
Aquatic eDNA-based technologies offer the potential for universal and standardized biodiversity monitoring. In this Perspective, Altermatt et al. discuss how these technologies can help to achiev...
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Kamil Hupało @kamilhupalo.bsky.social · 20/05/2025
It has been a collective effort with a great contributions by Isabel Blasco-Costa, Alejandro Trujillo González & @leeselab.bsky.social. It is also related to our activities within the IMPACT project! Make sure to follow @impact-parasites.bsky.social and check out all other fascinating chapters! 🤩
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European Environment Agency @eea.europa.eu · 13/05/2025
🌍 Europe is facing an exceptionally dry spring in 2025: 37 out of 38 countries covered by the @EEA have been hit by drought. To help track this growing threat, we’ve launched a new interactive drought map 🗺️— updated monthly & based on near real-time data: water.europa.eu/freshwater/e...
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Bernd Sures @berndsures.bsky.social · 16/05/2025
Great News: Our book Aquatic Parasitology: Ecological and Environmental Concepts and Implications of Marine and Freshwater Parasites has been published online open access! link.springer.com/book/10.1007... @nicojsmit.bsky.social @unidue.bsky.social
link.springer.com
Aquatic Parasitology: Ecological and Environmental Concepts and Implications of Marine and Freshwater Parasites
A unique open access collection on ecological and environmental parasitology in marine and freshwater. Covers climate change and parasite conservation.
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Gernot Segelbacher 🪶 🧬 @gsegelbacher.bsky.social · 09/05/2025
#consgen
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Florian Leese @leeselab.bsky.social · 14/05/2025
👍🏼 and regarding international collaboration: we‘d love to have your feedback on a European society for environmental omics (or environmental DNA? Semantics) here: docs.google.com/forms/d/e/1F...
docs.google.com
European Society for Environmental Omics (ESEO)
Dear Environmental Omics enthusiasts! At the AquaEcOmics meeting in Evian (March, 2025), an international group of 35 experts discussed the future of regular European meetings and collaborative effor...
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UKEOF UKDNA Working Group @ukdnawg.bsky.social · 14/05/2025
FAIR #eDNA data and transparent workflows are essential. Harmonisation should come after standardisation. International collaboration and partnership will drive progress #UKDNAWG25
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UKEOF UKDNA Working Group @ukdnawg.bsky.social · 14/05/2025
Different labs can produce vastly different results which leads to ‘eDNA doesn’t work’ - ring and proficiency testing is key. Establishing minimum standards (e.g. sequencing depth) and metadata reporting is crucial. Stringency of standards will vary by taxonomic group #UKDNAWG25
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Florian Leese @leeselab.bsky.social · 14/05/2025
Thx for this post @kirstenjharper.bsky.social - hope it is ok I used it in a longer post here www.linkedin.com/posts/floria...
linkedin.com
#ukdnawg #london #academia #smes #regulation #consultants #edna… | Florian Leese
I much enjoyed the last 2.5 intense days at the #UKDNAWG meeting held at The Royal Society in #London. Since its start over 10 years ago this group of people from #academia, #smes #regulation and #co...
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Dr Kirsten J Harper @kirstenjharper.bsky.social · 14/05/2025
@leeselab.bsky.social #eDNA can contribute to global biodiversity goals. Its use and outcomes proven many times over. It’s scalable, reliable and cost effective. But why is global uptake slow? Barriers like unequal access to technical infrastructure #UKDNAWG25
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UKEOF UKDNA Working Group @ukdnawg.bsky.social · 14/05/2025
Last session of #UKDNAWG25 is standards, best practice, current knowledge gaps and future opportunities. @leeselab.bsky.social discusses how we go from wild west of #eDNA to standards. Challenges are limited comparability of methods and unequal access to technical infrastructure and funding.
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Bernd Sures @berndsures.bsky.social · 08/05/2025
Just out now: the Special Issue in Science of The Total Environment | Multilevel response to stressor increase and release in stream ecosystems | ScienceDirect.com by Elsevier @crc-resist.bsky.social @unidue.bsky.social
sciencedirect.com
ScienceDirect.com | Science, health and medical journals, full text articles and books.ScienceDirect
ScienceDirect is the world's leading source for scientific, technical, and medical research. Explore journals, books and articles.
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Daniel Hering @danielheringude.bsky.social · 10/05/2025
We published a special issue on #multiplestressors in #rivers: www.sciencedirect.com/special-issu.... Stories about #ExStream experiments and the impact of 9 stressors on 5 organism groups from Europe and New Zealand. @crc-resist.bsky.social, @berndsures.bsky.social
sciencedirect.com
STOTEN | Science of The Total Environment | Multilevel response to stressor increase and release in stream ecosystems | ScienceDirect.com by ElsevierScienceDirect
Read the latest articles of Science of The Total Environment at ScienceDirect.com, Elsevier’s leading platform of peer-reviewed scholarly literature
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Florian Leese @leeselab.bsky.social · 05/05/2025
New paper out by #MandySander via @umweltstiftung.bsky.social fellowship &supported by @crc-resist.bsky.social Capture—Incubate—Release: An Animal-Friendly Approach to Assess Local Aquatic Macroinvertebrate Species Diversity Through eDNA Metabarcoding onlinelibrary.wiley.com/doi/10.1002/...
onlinelibrary.wiley.com
Capture—Incubate—Release: An Animal‐Friendly Approach to Assess Local Aquatic Macroinvertebrate Species Diversity Through Environmental DNA Metabarcoding
We assessed whether we can combine the advantages of both bulk and eDNA metabarcoding, that is, obtaining a local signal and being minimally invasive, to improve local invertebrate detections in stre...
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Jonathan Tonkin @jdtonkin.bsky.social · 29/04/2025
What I wish I knew: 33 thoughts for early career researchers Reflections I wish someone had shared with me early in my research career. predirections.substack.com/p/what-i-wis...
predirections.substack.com
What I wish I knew: 33 thoughts for early career researchers
Thirty three reflections I wish someone had shared with me early in my research career.
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Bettina Thalinger @bettinathal.bsky.social · 29/04/2025
#eDNA #eRNA #omics people: would you support the formation of a European Society for Environmental Omics #ESEO? Please share your thoughts in the questionnaire & spread this message! 🙏 Thank you, the ESEO core team! docs.google.com/forms/d/e/1F...
docs.google.com
European Society for Environmental Omics (ESEO)
Dear Environmental Omics enthusiasts! At the AquaEcOmics meeting in Evian (March, 2025), an international group of 35 experts discussed the future of regular European meetings and collaborative effor...
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Florian Leese @leeselab.bsky.social · 29/04/2025
Dieses Gefühl, wenn die Bahn kommt, pünktlich ist (zumindest fast) - und dann auch noch ein Sitzplatz frei ist… #Endorphinrausch #Pendler #ÖPNVfan
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Florian Altermatt @florianaltermatt.bsky.social · 28/04/2025
thanks to all co-authors for a great and efficient collaboration! #MarjorieCouton, #LucaCarraro, @francoiskeck.bsky.social , @lorihandley.bsky.social , @leeselab.bsky.social , #XiaoweiZhang, #YanZhang & @rosiecblackman.bsky.social @eawag.bsky.social , #UZH & beyond
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Florian Altermatt @florianaltermatt.bsky.social · 28/04/2025
Utilizing #aquatic environmental DNA #eDNA to address global #biodiversity targets: www.nature.com/articles/s44... 🧬🔬🐟🦫🍂🦐🧬 We discuss how eDNA can contribute towards Kunming-Montreal Global Biodiversity Franework #GBF. Out now in @natrevbiodiv.nature.com
nature.com
Utilizing aquatic environmental DNA to address global biodiversity targets - Nature Reviews Biodiversity
Aquatic eDNA-based technologies offer the potential for universal and standardized biodiversity monitoring. In this Perspective, Altermatt et al. discuss how these technologies can help to achiev...
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Bernd Sures @berndsures.bsky.social · 22/04/2025
Just recieved the final proofs of our Springer Nature book Aquatic Parasitology: Ecological and Environmental Concepts and Implications of Marine and Freshwater Parasites. Great collaboration with my friend and colleague Nico J. Smit. Full open access due to funding from NWU lnkd.in/dwbUcAn7
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Florian Leese @leeselab.bsky.social · 25/04/2025
Happy #DNAday 🧬 Just on time: our new study that appeared today showing how urbanization leaves a genetic footprint in 2 stream amphipods in river Emscher catchment. Tools like #ddrad help map connectivity & recovery paths #Ruhrgebiet onlinelibrary.wiley.com/doi/10.1002/... @crc-resist.bsky.social
Gammarus fossarum precopulatory pair. Copyright: Martina Weiss
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Florian Leese @leeselab.bsky.social · 05/04/2025
I put a few reflections on the 🆒 #AquaEcOmics conference online here: tinyurl.com/aquaecomics25 Innovation, FAIR principles without fragmentation. @aquaecomics.mastodon.social.ap.brid.gy
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Leibniz-Institut für Gewässerökologie und Binnenfischerei (IGB) @igb-berlin.de · 31/03/2025
Was planen CDU/CSU und SPD in der #Wasser- und #Gewässerpolitik? Zu wenig, sagt die deutsche #Wasserforschung. Binnengewässer kommen in den Papieren gar nicht vor. Welche Anpassungen angesichts der zunehmenden Bedrohung durch Extremereignisse noch nötig sind: watersciencealliance.org/files/wsa/ne...
Die Water Science Alliance (WSA) hat die Entwürfe der Koalitionsarbeitsgruppen kommentiert. Während die Bekenntnisse zum Forschungsstandort Deutschland grundsätzlich begrüßt werden, empfehlen die Fachleute aus der Wasser- und Gewässerforschung aber dringend drei zentrale Anpassungen in der Forschungs- bzw. Wasser- und Gewässerpolitik. Diese Aspekte sollten sich auch im finalen Koalitionsvertrag wiederfinden – denn Wasser und Binnengewässer sind für Deutschland zentrale, kritische und sicherheitsrelevante Ressourcen.
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Florian Leese @leeselab.bsky.social · 29/03/2025
It was a pleasure to hand over the awards in person.
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