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Anika Happe

@anikahappe.bsky.social
339 followers 131 following 10 posts

Researcher at the @icbm-uol.bsky.social • co-lead of @aquacosm-ecr.bsky.social • interested in phytoplankton, aquatic ecology, marine biodiversity, stoichiometry, multiple drivers

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Anika Happe @anikahappe.bsky.social · 25/02/2026
Interested in multi-trophic population trends from decadal long time series in the Wadden Sea? I will give a talk on Friday at #OSM26 about the approach behind our recent paper on synthesizing population trends: tinyurl.com/2tbs5j83 🦀🐟🦠🐤 Excited to discuss with you afterwards!
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Helmut Hillebrand @hillebr1.bsky.social · 18/10/2025
Happy to announce a short perspective piece as part of a SynCom @helmholtz.de working group. Discussing the breadth of biodiversity indicators, we encourage to differentiate better between multidimensional diagnosis, leading steering & actionable management indicators dx.doi.org/10.1002/2688... 🧪
dx.doi.org
Operational perspectives for biodiversity indicators
To understand, measure and mitigate biodiversity change, science and policy need to differentiate between diagnostic indicators that capture as many different biodiversity facets as needed, outcome-o...
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Universität Greifswald @unigreifswald.bsky.social · 16/10/2025
🌈🌊Ein Leben im Regenbogen: Phytoplankton ist die Nahrungsgrundlage für zahlreiche Lebewesen. Die Lichtfarbe ist für die Mikroalgen & das Ökosystem See entscheidender als angenommen, wie eine neue Studie der Uni Oldenburg & Greifswald zeigt: ugreif.de/bjhn9 @sebastianneun.bsky.social​
Ein Wasserfloh unter dem Mikroskop. Die Lichtfarben im See beeinflussen seine Nahrungsgrundlage: Mikroalgen.
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Sebastian Neun @sebastianneun.bsky.social · 13/10/2025
I am thrilled to share our new study which has just come out in @journalofecology.bsky.social! We show how the wavelength spectrum of #light shapes #phytoplankton communities, and associated consequences for trophic transfer. Light spectrum matters! 🌈🌊 #livinginarainbow ➡️ doi.org/10.1111/1365...
doi.org
Light spectrum matters: Interactive effects of light and nutrients on phytoplankton communities and trophic transfer
Overall, our results showed that the spectral quality of light has a significant impact on phytoplankton community dynamics and the biochemical composition of lake seston. Moreover, the results sugge....
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Helmut Hillebrand @hillebr1.bsky.social · 10/10/2025
Happy to announce that #PlanktonEcologyLab researcher @marenstriebel.bsky.social received the university-wide recognition as best PhD advisor - already a second time. Congratulations and so well deserved @icbm-uol.bsky.social @hifmb.de
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Anika Happe @anikahappe.bsky.social · 08/10/2025
It was a great honor to be among the Schwoerbel-Benndorf Young Scientist Awardees and giving a plenary talk about how extreme events affect phytoplankton functioning at the German Limnological Society #DGL Annual Meeting 2025! 🌊⛈️🌪️🌡️ dgl-ev.de/preise/nachw... @icbm-uol.bsky.social
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AQUACOSM ECR Network @aquacosm-ecr.bsky.social · 20/09/2025
🎙️ Sign up for our next free online workshop with Dr. Cristina Charette to learn the basics of #SEM and how to apply it to #mesocosm studies. 🗓️ Sept 26, 16:00 - 17:30 CET 🔗Register: forms.gle/rQgwamMaUvmL... 📩 Zoom link sent to registrants before the event.
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Mridul K. Thomas @mridulkthomas.bsky.social · 15/09/2025
@raviranjan.bsky.social & I are teaching a free online workshop with on experimental design for environmental scientists on the 23rd. We'll focus on using simulations to evaluate how well different experimental designs help achieve your goals. Please sign up & share! forms.gle/MZTxeQs4UpMr...
Poster for 90 minute workshop on HOW TO DESIGN BETTER EXPERIMENTS, by Mridul Thomas & Ravi Ranjan. 

Details: September 23rd 16:00 CEST ; 14:00 UTC

Description: 

Experimental designs can make or break an experiment. A good experiment has a clear goal and efficiently uses experimental resources to achieve that goal. In this workshop, we will review what experiments are for, basic and advanced principles of designing experiments, and how to use simulations to evaluate designs before actually doing the
experiment. We’ll do a moderate amount of coding in R and so experience with this would be helpful but is not required. We intend to have small-group discussions to help participants develop their own experiments, and encourage participants to think of a specific question they would like to answer with an experiment.
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Anika Happe @anikahappe.bsky.social · 19/06/2025
In a synthesis of over 3000 population trends in the Wadden Sea, we show a substantial reorganization of biodiversity with over 38% of populations undergoing significant change (i.e., increases or decreases), identify winners and losers and critical time points of change! dx.doi.org/10.1111/gcb....
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Changing Ocean Biological Systems working group @scor-cobs.bsky.social · 28/04/2025
Ever wondered how to analyse your experimental data? 🌊🧪🌍 We’ve developed a series of tutorials in R to guide you through analysing & visualising data from single & multiple driver experiments. Beginners and experts, we've got something for all of you. Please share! meddle-scor149.org/vignettes/
meddle-scor149.org
Vignettes - Meddle
The MEDDLE data analysis tutorials illustrate statistical approaches for single and multiple driver experiments. The tutorials are not meant as an exhaustive list, nor do they replace formal statistic...
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Antonia Ahme @planktoni.bsky.social · 17/04/2025
Happy to share my final PhD chapter on the simultaneous effects of global change and heatwaves on North Sea protists! It was a pleasure to be a part of this amazing mesocosm project 🙌 aslopubs.onlinelibrary.wiley.com/doi/10.1002/...
aslopubs.onlinelibrary.wiley.com
Concurrent global change and marine heatwaves disturb phototrophic more than heterotrophic protist diversity
Anthropogenic pressures like ocean warming, acidification, rising N : P ratios, and marine heatwaves (MHWs) are affecting eukaryotic plankton diversity, though their combined impacts are rarely studi...
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Global Change Biology @globalchangebio.bsky.social · 14/04/2025
What Does It Mean to Be(Come) Arctic? Functional and Genetic Traits of Arctic‐ and Temperate‐Adapted #Diatoms 📄 buff.ly/pTB1ZcO #phytoplankton @jakobgiesler.bsky.social
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Anika Happe @anikahappe.bsky.social · 13/04/2025
I am so greatful for the past week at #EcoDAS2025 in Hawaiʻi with many inspiring young scientists! 🌺 Many promising collaborations were developed and there was always room for honest discussions on topics that shape our careers as young scientists. As a bonus: I got to see my first octopus! 🐙
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HIFMB @hifmb.de · 08/04/2025
5th HIFMB symposium: Your ticket to talks, discussions, early career program, art and more. Registration is free of charge. ➡️ www.hifmb.de/symp25 #marinebiodiversity @hillebr1.bsky.social @ibaums.bsky.social @thilogross.bsky.social @merenbey.bsky.social
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Angélica L. González @ecolgonzalez.bsky.social · 03/04/2025
I’m thrilled to finally share our new dataset paper-years in the making! This has been an incredible rewarding project, and it was a true pleasure to work with such an amazing team of researchers. Huge thanks to supported by @idiv for the support www.nature.com/articles/s41...
nature.com
StoichLife: A Global Dataset of Plant and Animal Elemental Content - Scientific Data
Scientific Data - StoichLife: A Global Dataset of Plant and Animal Elemental Content
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Jakob Giesler @jakobgiesler.bsky.social · 21/03/2025
Next paper of my Phd project published in @globalchangebio.bsky.social 🎉Read more to find out what makes #Arctic #diatoms arctic and why temperate diatoms could encounter significant barriers in their warming-driven poleward range-shifts. onlinelibrary.wiley.com/doi/full/10....
onlinelibrary.wiley.com
What Does It Mean to Be(Come) Arctic? Functional and Genetic Traits of Arctic‐ and Temperate‐Adapted Diatoms
Climate change is expected to drive phytoplankton poleward, but successful establishment in new environments requires adaptation to multiple factors beyond temperature. This study compares two common...
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AQUACOSM ECR Network @aquacosm-ecr.bsky.social · 10/03/2025
We will host Gregor Kalinkat and Phoebe Griffith for the online workshop "Social Media for Scientists". They will explore how to optimise the visibility of our science and present the potential of various social networks! 🧑‍💻 🗓️ March 18th at 14:00 - 16:00 CET 📝 Register here: tinyurl.com/23pmvx3b
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Anna Lena Heinrichs @alheinrichs.bsky.social · 03/03/2025
My first post is finally here: I am very excited to share our newest paper in Ecology where we present the temperature-dependent effect of multiple resources on #phytoplankton growth, using gradients of temperatures, light and nutrients. esajournals.onlinelibrary.wiley.com/doi/epdf/10....
esajournals.onlinelibrary.wiley.com
Temperature‐dependent responses to light and nutrients in phytoplankton
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Anika Happe @anikahappe.bsky.social · 17/02/2025
What a great first thing to do after my holidays: I am excited to share our newest paper in which we mimicked rainfall scenarios as nutrient and cDOM pulses of different frequency and intensity in #mesocosms and disentangled the effects on plankton #stoichiometry! doi.org/10.1002/lno.... @aslo.org
doi.org
Nutrient pulse scenarios drive contrasting patterns in the functional stability of freshwater phytoplankton
Climate change is increasing the frequency, intensity, and stochasticity of extreme weather events such as heavy rainfall, storm-induced mixing, or prolonged drought periods. This results in more var...
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Anika Happe @anikahappe.bsky.social · 09/01/2025
Our AQUACOSM early-career researchers (ECR) network hosts Dr. Shinichi Nakagawa for a talk on meta-analyses in two weeks! To receive the meeting link, you just need to register below ⬇️
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Mike Smykala @smykala.bsky.social · 09/12/2024
Happy to share our paper from Woodstoich 5. ☮️ We present a integrativ modeling approach, that involves a genome-scale analysis to gain insights into nutrient fluxes (C:N:P) within phytoplankton cells. Thanks to all involved ♥️ 🦭🦕 www.frontiersin.org/journals/eco...
frontiersin.org
Frontiers | Seeing through the gray box: an integrated approach to physiological modeling of phytoplankton stoichiometry
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Anika Happe @anikahappe.bsky.social · 26/11/2024
Join us (@aquacosm-ecr.bsky.social) for our monthly online talk on Tuesday next week! Dr. Peiyu Zhang will talk about finding a simplified food-web, elongated energy transfer pathways and a shift in the energy flow from benthic to pelagic pathways under multiple stressor exposure.
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Helmut Hillebrand @hillebr1.bsky.social · 25/11/2024
@ckunze.bsky.social wrote a beautiful paper on how to identify species that in- or decrease community stability. 👇 see the thread below and the full open access paper here esajournals.onlinelibrary.wiley.com/doi/10.1002/... @icbm-uol.bsky.social @hifmb.bsky.social 🧪🌐 #PlanktonEcology
esajournals.onlinelibrary.wiley.com
Partitioning species contributions to ecological stability in disturbed communities
Ecosystems worldwide are experiencing a range of natural and anthropogenic disturbances, many of which are intensifying as global change accelerates. Ecological responses to those disturbances are de...
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Anika Happe @anikahappe.bsky.social · 25/11/2024
I‘m happy to share our new review on the link between mixotrophic protists and stoichiometry led by Luca Schenone! Thanks to #WoodStoich for bringing together this motivated group of ECRs with Zoe Aarons, Minerva García-Martínez and @redoglioandrea.bsky.social! 📄 www.frontiersin.org/journals/eco...
frontiersin.org
Frontiers | Mixotrophic protists and ecological stoichiometry: connecting homeostasis and nutrient limitation from organisms to communities
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Helmut Hillebrand @hillebr1.bsky.social · 19/11/2024
Meet the #PlanktonEcology lab one by one! @anikahappe.bsky.social combines the analyses of long-term temporal trends in aquatic populations with the experimental test of responses to changing means and variance of environmental factors. uol.de/en/icbm/rese... @icbm-uol.bsky.social
uol.de
Anika Happe // University of Oldenburg
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Maren Striebel @marenstriebel.bsky.social · 15/11/2024
Congratulations to @sebastianneun.bsky.social for winning the Wilhelmshaven Science Award in the student category! www.wirtschaft-wilhelmshaven.de/wissenschaft...
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