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RouskLab.bsky.social

@rousklab.bsky.social

We study the #ecology of #soil #microbes, how #communities depend on & respond to their #environment & run global #biogeochemistry; part of @MicroBioGeo_LU. biology.lu.se/johannes-rousk

177 Followers  |  103 Following  |  27 Posts  |  Joined: 30.01.2024  |  2.4534

Latest posts by rousklab.bsky.social on Bluesky

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BIOGEOMON2026 | slu.se Join Us at the 12th BIOGEOMON Conference The BIOGEOMON conference is an open, interdisciplinary forum for sharing the latest discoveries and exploring future directions in ecosystem biogeochemistry. W...

Interested in #NitrogenBiogeochemistry, links to #Carbon & #Phosphorus cycling; the #Organisms involved in #NutrientCycling? Curious about #BorealForests and #Excursions to large-scale field experiments? Then join our session "Nitrogen Biogeochemistry..." at BIOGEOMON www.slu.se/en/about-slu...

15.01.2026 12:05 โ€” ๐Ÿ‘ 1    ๐Ÿ” 2    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0
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Doctoral student in Biology Subject description Biology is the broad subject about all living things. It encompasses everything from processes at the molecular and cellular level to global processes at ecosystem level. The subje

lu.varbi.com/en/what:job/... An open PhD position at Lund! on microbial control of soil C, involved with N and P! ๐Ÿคฉ๐Ÿคฉ๐Ÿคฉ Can highly recommend!

08.01.2026 09:04 โ€” ๐Ÿ‘ 5    ๐Ÿ” 5    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0

It has been fun! ๐Ÿ‘โœจ Thanks @rousklab.bsky.social @seritafrey.bsky.social and MelKnorr

12.11.2025 21:56 โ€” ๐Ÿ‘ 2    ๐Ÿ” 1    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0

This suggests microbial trait optimisation can moderate carbon emissions, offering a simple mechanistic explanation for global observations and highlighting the need to integrate microbial dynamics into #climate models ๐ŸŒ๐Ÿงฎ

12.11.2025 21:56 โ€” ๐Ÿ‘ 1    ๐Ÿ” 1    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0

In SWaN #HarvardForest, we show that #microbes initially accelerate carbon release but then adjust their thermal traits, improving CUE and slowing SOC loss. Microbial #adaptation can buffer soils against long-term carbon loss ๐Ÿ”ฅ๐Ÿฆ 

12.11.2025 21:56 โ€” ๐Ÿ‘ 1    ๐Ÿ” 1    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0
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Shifts in Microbial Thermal Traits Mitigate Heatโ€Induced Carbon Losses in Soils The impact of global warming on soil carbon stocks remains uncertain. While warming initially accelerates microbial decomposition of organic matter and CO2 release, long-term field studies consistent...

In this new #GlobalChangeBio paper (doi.org/10.1111/gcb.70579), we investigate why #warming initially boosts soil #CO2 emissions but losses stabilize over time, limiting impact of chronic warming on #SOC stocks

12.11.2025 21:56 โ€” ๐Ÿ‘ 8    ๐Ÿ” 5    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0
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Last week I defended my PhD thesis ๐ŸŽ‰ Big thanks to @frantecol.bsky.social for all the great questions, and for putting my thesis into a bigger picture! Also to everyone that made my PhD so much fun and specially to my supervisors @rousklab.bsky.social @albertbrangari.bsky.social and Lettice Hicks ๐ŸŒŸ

11.10.2025 10:49 โ€” ๐Ÿ‘ 22    ๐Ÿ” 2    ๐Ÿ’ฌ 3    ๐Ÿ“Œ 0
Ecosystem stability to global change Lund University. In this BECC-workshop, we will treat this topics through 4 invited presenters covering different aspects of Ecosystem stability to global change, and also invite contributed poster pr...

Weโ€™re delighted to host a symposium on โ€Ecosystem stability to global changeโ€ tomorrow @biologylu.bsky.social , including a keynote by @frantecol.bsky.social . Join us ! www.becc.lu.se/calendar/eco...

01.10.2025 15:31 โ€” ๐Ÿ‘ 6    ๐Ÿ” 3    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0

Come to Copenhagen to work on #moss #cyanobacteria interactions! Still time to apply for this postdoc position!! ๐Ÿ‘‡

24.09.2025 05:59 โ€” ๐Ÿ‘ 11    ๐Ÿ” 6    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 1
ยฉ 2025

Come work with us!

In two week's time, application deadlines close for eight fully funded #PhD positions who will be working together on understanding and mitigating global change impacts and feedbacks from mountains:

cmt.w.uib.no/open-positio...

16.09.2025 13:53 โ€” ๐Ÿ‘ 15    ๐Ÿ” 18    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0
Opportunities

We are hiring! On the search for an ambitious post-doc with hot skills in metagenomics, metatranscriptomics and bioinformatics to join our EcoEnergeticS project with
@michaeladippold.bsky.social

Find the ad here: uni-tuebingen.de/zh/266340

17.09.2025 06:10 โ€” ๐Ÿ‘ 7    ๐Ÿ” 9    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0
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... We're very exciting, and it is well worth a read! Enjoy! www.nature.com/articles/s43...

02.09.2025 07:39 โ€” ๐Ÿ‘ 6    ๐Ÿ” 2    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0

In this new paper, @albertbrangari.bsky.social develops a new theoretically grounded approach to represent both microbial growth and respiration in a unified framework that can be interfaced immediately into Earth System Models framework, thus incorporating ecological insights into biogeochemistry

02.09.2025 07:39 โ€” ๐Ÿ‘ 4    ๐Ÿ” 2    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0
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Heat waveโ€induced microbial thermal trait adaptation and its reversal in the Subarctic A Summer heat wave in the Subarctic resulted in shifted microbial communities toward those that grow better at high temperatures. This shift persisted for a year after the heat wave ended. The heat w...

...and that the temperature relationships for microbial growth and respiration actually differ (onlinelibrary.wiley.com/doi/full/10...., journals.asm.org/doi/10.1128/...), and are climate dependent (journals.asm.org/doi/10.1128/...), and can adapt to warming (onlinelibrary.wiley.com/doi/full/10....)

02.09.2025 07:39 โ€” ๐Ÿ‘ 0    ๐Ÿ” 0    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0
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Temperature sensitivity of soil microbial activity modeled by the square root equationย as a unifying model to differentiate between direct temperature effects and microbial community adaptation The square root model is suggested as a unifying model of temperature effects that allows for describing the temperature sensitivity of soil microbial growth and respiration using only one descriptor...

... Recent insights into microbial ecology has revealed that an Arrhenius representation is a poor fit to microbial process rates in soil (onlinelibrary.wiley.com/doi/full/10...., onlinelibrary.wiley.com/doi/full/10.....

02.09.2025 07:39 โ€” ๐Ÿ‘ 1    ๐Ÿ” 1    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0

... Although the microbial metabolism that regulates soil C budgets -- respiration and growth, and their balance as the Carbon-use Efficiency (CUE) -- has been an active research area for over a Century, most attempts to model rates still relies on the assumption of an Arrhenius relationship...

02.09.2025 07:39 โ€” ๐Ÿ‘ 1    ๐Ÿ” 1    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0

... Because temperature is such a powerful driver of all biological process rates, understanding how temperature relationships for activity of organisms that drive elemental cycles is a key priority...

02.09.2025 07:39 โ€” ๐Ÿ‘ 1    ๐Ÿ” 1    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0

Our ability to predict how biology will feed back to climate change relies on our ability to convert biological insights into mathematica formulations that can be scaled up in structured ways, within the context of Earth System Models (ESMs)...

02.09.2025 07:39 โ€” ๐Ÿ‘ 7    ๐Ÿ” 4    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0
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#esm2025 is proud to publish @isme-microbes.bsky.social award winners: Anna Burns, Nompumemelo Dammie and Agnieszka Rzepczynska. Congrats for the memberships!

19.06.2025 13:27 โ€” ๐Ÿ‘ 21    ๐Ÿ” 5    ๐Ÿ’ฌ 2    ๐Ÿ“Œ 3
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โ€ฆ and then some baseline measurementsโ€ฆ

14.06.2025 14:58 โ€” ๐Ÿ‘ 3    ๐Ÿ” 0    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0
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โ€ฆ an extensive processโ€ฆ

14.06.2025 14:55 โ€” ๐Ÿ‘ 1    ๐Ÿ” 0    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
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โ€ฆ. Part of the processโ€ฆ

14.06.2025 14:43 โ€” ๐Ÿ‘ 1    ๐Ÿ” 0    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
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Therefore, this year, we split all treatment plots and added P to each , to experimentally interrogate these intriguing suggestions, in work led by @agn-rzep.bsky.social backed by a strong team. What will we find?!

14.06.2025 10:55 โ€” ๐Ÿ‘ 1    ๐Ÿ” 0    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0

โ€ฆ adding up various lines of evidence collected over nearly a decade, it seems that decomposer microbes in our arctic heath site may be P limited, thus raising a totally new research question to adress!

14.06.2025 10:55 โ€” ๐Ÿ‘ 2    ๐Ÿ” 0    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0
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Limiting resources for soil microbial growth in climate change simulation treatments in the subarctic The microbial use of resources to sustain life and reproduce influences for example, decomposition and plant nutrient provisioning. The study of โ€œlimiting factorsโ€ has shed light on the interaction b...

โ€ฆ the microbial responses to simulated climate change probably is linked to the balance between resource availability and needs, highlighting the need ti resolve the limiting factors fir decomposer microbes and their responses to change esajournals.onlinelibrary.wiley.com/doi/10.1002/...
โ€ฆ

14.06.2025 10:55 โ€” ๐Ÿ‘ 1    ๐Ÿ” 0    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0
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Simulated rhizosphere deposits induce microbial Nโ€mining that may accelerate shrubification in the subarctic Climate change is exposing high-latitude systems to warming and a shift towards more shrub-dominated plant communities, resulting in increased leaf-litter inputs at the soil surface, and more labile ....

โ€ฆ and that resident microbes are primed by rhizosphere input of labile OM to mine N from soil OM as triggered by both pulses esajournals.onlinelibrary.wiley.com/doi/10.1002/... and when root input is semi continuous www.sciencedirect.com/science/arti... โ€ฆ

14.06.2025 10:55 โ€” ๐Ÿ‘ 0    ๐Ÿ” 0    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0
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Increased Above- and Belowground Plant Input Can Both Trigger Microbial Nitrogen Mining in Subarctic Tundra Soils - Ecosystems Low nitrogen (N) availability in the Arctic and Subarctic constrains plant productivity, resulting in low litter inputs to soil. Increased N availability and litter inputs as a result of climate chang...

โ€ฆ and we have already learnt a lot! Early result suggested a microbial targeting of N from SOM link.springer.com/article/10.1...
, we learnt that microbial communities were selected by the treatment exposure to enhance their litter degrading performance www.sciencedirect.com/science/arti... โ€ฆ

14.06.2025 10:55 โ€” ๐Ÿ‘ 0    ๐Ÿ” 0    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0
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โ€ฆ in addition to chronic simulation of climate change (same annual rates of N snd litter) we also administer them in a punctuated way (triple annual dose every third year) in an attempt to compare smooth vs extreme variation between yearsโ€ฆ

14.06.2025 10:55 โ€” ๐Ÿ‘ 1    ๐Ÿ” 0    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0
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9 years ago, we started the field experiment โ€œMineFieldโ€ to investigate how accelerated decomposition (N) and simulated shrub encroachment (litter) impacted the microbially controlled soil-atmosphere C balanceโ€ฆ

14.06.2025 10:55 โ€” ๐Ÿ‘ 1    ๐Ÿ” 0    ๐Ÿ’ฌ 1    ๐Ÿ“Œ 0
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Weโ€™re back in #Abisko, for our early summer campaign! Weโ€™re maintaining a series of #fieldexperiments that simulate different aspects of #arctic #climate #change, including #shrub #encroachment and arctic #greening, accelerated nitrogen cycling, summer #drought, and #warming! Stay tuned!

10.06.2025 20:39 โ€” ๐Ÿ‘ 11    ๐Ÿ” 1    ๐Ÿ’ฌ 4    ๐Ÿ“Œ 0

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