Tvärminne Zoological Station
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tvarminne.bsky.social
Tvärminne Zoological Station
@tvarminne.bsky.social
Tvärminne Zoological Station (University of Helsinki) is a marine station located at the entrance to the Gulf of Finland. Over 120 years of research on coastal ecology in the northern Baltic Sea. www.helsinki.fi/tvarminne
OPEN CALL - Onni Talas Foundation PhD grants for 2026 for marine projects at @tvarminne.bsky.social at @helsinki.fi

Deadline 12.10.2025. For more information and to get a copy of the application form, please contact joanna.norkko@helsinki.fi
September 4, 2025 at 11:20 AM
Reposted by Tvärminne Zoological Station
🚨 New publication!! 🚨
Roel Lammerant & Jenna Hölttä et al. show how environmental gradients affect functional structure and carbon storage of aquatic plant meadows.
doi.org/10.1002/ecs2.70327

@roellammerant.bsky.social @jennaholtta.bsky.social @cmgustafsson.bsky.social @alfnorkko.bsky.social
August 15, 2025 at 6:09 AM
Reposted by Tvärminne Zoological Station
Check out our new review paper, championed by Lydia White, "A path towards appropriate degradation experiments for assessing carbon sequestration potential of macroalgae". Read it here: besjournals.onlinelibrary.wiley.com/doi/10.1111/... @coastclim.bsky.social @tvarminne.bsky.social #mCDR
A path towards appropriate degradation experiments for assessing carbon sequestration potential of macroalgae
We systematically reviewed literature on macroalgal degradation. To date, most degradation experiments are carried out in aquaria or shallow environments, span short timescales or rarely incorporate ....
besjournals.onlinelibrary.wiley.com
August 11, 2025 at 8:41 PM
Jeij! So cool to see our work featured on the cover of the August issue of Functional Ecology - A Special Issue on Marine Heatwaves.
Special Feature: Marine Heatwaves: Functional Ecology: Vol 39, No 8
<em>Functional Ecology</em> journal publishes high-impact research providing a mechanistic understanding of ecological pattern and process from the organismic to ecosystem scale.
besjournals.onlinelibrary.wiley.com
August 8, 2025 at 8:21 AM
Emissions from marine plants and algae (BVOCs) play a significant role in the global carbon cycle and for the climate. How do the emissions on the Atlantic coast compare to emissions in the Baltic Sea?

👉 Read the CoastClim newsletter for more info!

#coastalecosystems #climatechange #research
CoastClim Newsletter:
🌍Field campaign in Ireland comparing BVOC emissions from Baltic and Atlantic plants and algae
🌍 Find interesting sea related events close to you this summer, e.g. Askö open house and the Baltic Sea day

Read and sign up for the newsletter at www.coastclim.org/news/
June 17, 2025 at 6:21 AM
Reposted by Tvärminne Zoological Station
🚨 NEW paper alert!
#Seagrass #functional #traits act as predictors of #biomass, albeit moderately. Study conducted across 1500 km coastline.
Main #biodiversity mechanism driving seagrass #biomass stock is through dominance.

@tvarminne.bsky.social @uwaoceans.bsky.social

doi.org/10.1111/1365...
Functional traits are moderate predictors of above‐ and below‐ground biomass in multispecies seagrass habitats
Read the free Plain Language Summary for this article on the Journal blog.
doi.org
April 28, 2025 at 6:10 PM
The IRISCC Open Call is now open!

Researchers can apply for sponsored access to Europe's top infrastructures to tackle climate risks. Find more about TZS in the comments!
Open Access Call: www.iriscc.eu/open-calls
Deadline: 30 June 2025

#ClimateChangeResearch #ResearchInfrastructure
Open Calls - IRISCC
Follow our Open Calls for opportunities to access world-class climate research infrastructures.
www.iriscc.eu
May 2, 2025 at 12:11 PM
Anna Vesanen on ammattisukeltaja ja vuoden alusta Tvärminnen eläintieteellisen aseman sukellusvastaava.

Merentutkijoiden kenttäkausi on vilkkaimmillaan huhtikuusta lokakuulle, ja silloin myös vierailevia sukeltajia on eniten asemalla.

Lue sukellusvastaavan terveiset! 👇

#scientificdiving #tzs
Sukellusvastaavan terveiset Suomen tutkimussukelluksen ytimestä | Tvärminnen eläintieteellinen asema | Helsingin yliopisto
Anna Vesanen on ammattisukeltaja ja ympäristötieteiden maisteri, ja vuoden alusta myös Tvärminnen eläintieteellisen aseman sukellusvastaava. Sukellus osana merentutkimusta on olennainen osa aseman ark...
www.helsinki.fi
April 14, 2025 at 12:21 PM
Kiitos @bsag.fi vierailustanne Tvärminnen eläintieteellisellä asemalla! Nuorten tutkijoiden tekemän merentutkimuksen tuominen esille suuren yleisön tietoisuuteen on tärkeä asia! 🫶

#wearehelsinkiuni #oceanliteracy #balticsea
Väitöskirjatutkijat ovat keskeinen osa @tvarminne.bsky.social CoastClim-tutkimuskeskuksen toimintaa. Tutkimusta tehdään esimerkiksi meren lämpöaaltojen vaikutuksista ekosysteemeihin, levien sopeutumiskyvystä ja ruovikoiden kyvystä varastoida hiiltä. Tutustu Tvärminnen tutkijoihin videoiden avulla. 👇🏼
Merentutkimus tutuksi - YouTube
Meriä koskeva tieto on keskeisessä asemassa maailmanlaajuisen biodiversiteetti- ja ilmastokriisin ratkaisemisessa. Meret ylläpitävät elämää maapallolla ja pe...
youtube.com
April 9, 2025 at 8:22 AM
NEW PhD thesis! Roel Lammerant will defend the doctoral dissertation entitled "Functional perspective on the role of macrophytes in the coastal carbon cycle across different temporal and spatial scales" on Friday 4.4 at 13:00 at Tvärminne Zoological Station.
Stream: helsinki.zoom.us/j/68659327422
March 31, 2025 at 1:22 PM
Are the Oceans Reaching Their Limit? Join the Discussion at #ACCCImpactWeek on April 22 with our marine researchers @alfnorkko.bsky.social and Anna Villnäs participating. Register by April 9, this event is free of charge.

#climatechange #coastalecosystems #sciencematters
March 25, 2025 at 10:00 AM
👉 Save the date! Itämeriluentoja 19.3. klo 16.30-17.30:
"Östersjöns ekosystem i snabb förändring”, professori Alf Norkko, TZS
“Itämeren mikromuoveista“, tutkimusprofessori Maiju Lehtiniemi, SYKE
Järjestäjä: Societas. Paikka: Tiedekulma Think Lounge. helsinginyliopisto.etapahtuma.fi/Kalenteri/Su...
March 13, 2025 at 11:46 AM
Happy to share this article about our science and polar diving published on bbc.com!
BBC reporter Erika Benke visited Finnish Scientific Diving Academy - FSDA during the polar diving program in Kilpisjärvi.

#polardiving #scienceundertheice #wearehelsinkiuni
'You look up and see light coming through': The divers venturing under the ice in the name of science
It is a world cut off from our own by thick blankets of floating ice, but some scientists are taking the plunge to learn how these frozen depths are changing.
www.bbc.com
March 12, 2025 at 12:03 PM
At the core of marine research - FINMARI Researcher Day - with many researchers from Tvärminne attending! A day filled with new knowledge about the ecological state, the effects of climate change, the green transition, and other current topics relevant to marine research in the Baltic Sea.
FINMARI Researcher Day 2025
The 10th FINMARI Researcher Day is organized at the Finnish Meteorological Institute, Helsinki. Date: Tuesday 4 March 2025, 9:00 am – 17:00 pm (UTC+2) Location: Dynamicum, Finnish Meteorological…
www.finmari-infrastructure.fi
March 4, 2025 at 7:30 AM
Tv-vinkki! Tänään 25.2. klo 18.30 YLE Fem tai Yle Areena. Dokumentti "Havsforskarna-Merentutkijat" kertoo tutkijapariskunnan Alf ja Joanna Norkon työstä Tvärminnen eläintieteellisellä asemalla aikana, jolloin huoli yhteisestä tulevaisuudestamme on vahvasti läsnä.

#merentutkijat #havsforskarna
Merentutkijat
Metrien paksuisen jään alla avautuu levien ja eliöiden arvoituksellinen maailma, jonka vain harvat ovat nähneet aiemmin. Joanna ja Alf Norkko yrittävät kansainvälisen tutkimussukeltajaryhmän kanssa lö...
areena.yle.fi
February 25, 2025 at 7:27 AM
Tiede tutuksi! Talvilomatorstaina 20.2. klo 11-15 Tvärminnen eläintieteellisellä asemalla järjestetään ohjelmaa koko perheelle. Levätyöpajan aikana pääset näkemään mikroskooppisen pieniä eläviä leviä, ja voit askarella oman leväsolun savesta. Katso koko ohjelma!

#tiedekasvatus #wearehelsinkiuni
Yleisölle avoin ohjelma | Tvärminnen eläintieteellinen asema | Helsingin yliopisto
Vuonna 2025 tarjoamme myös erilaisia ohjelmia yleisölle. Lapset ja nuoret voivat ilmoittautua erilaisiin järjestettäviin aktiviteetteihin. Alueella on myös yleisölle avoin luontopolku.
www.helsinki.fi
February 17, 2025 at 1:34 PM
Planning to do field work at Tvärminne in 2025?

The field season is behind the corner and all researchers planning to work at Tvärminne Zoological Station in 2025 are kindly asked to submit the electronic application form by the 31.3.2025.

Welcome to Tvärminne!

#fieldseason #researchstations
Services for researchers | Tvärminne Zoological Station | University of Helsinki
Information about services, equipment, and facilities available at TZS. We offer access to coastal ecosystems, several research vessels, sampling equipment, diving facilities, aquarium rooms, laborato...
www.helsinki.fi
February 13, 2025 at 8:15 AM
Grab a grant! The Nottbeck Foundation and the JAP Foundation award MSc thesis grants to students conducting their thesis work at Tvärminne Zoological Station.

The deadline for applications is 31.3.2025 for both foundations.

More info below. Applications for Nottbeck grants: nottbeck.apurahat.net
MSc thesis grant at Tvärminne Zoological Station | Tvärminne Zoological Station | University of Helsinki
Each year MSc thesis grants are awarded to students conducting their thesis work at Tvärminne Zoological Station. The topic can be in any field of biology and the grants are open for students from all...
www.helsinki.fi
February 12, 2025 at 1:32 PM
CoastClim researchers from Tvärminne Zoological Station are currently on a field campaign in NZ!
#researchcollaboration #climatechange #coastalecosystems
CoastClim researchers are currently on a field campaign in NZ. Preliminary measurements suggest high emissions of #GHG in degraded #coastalecosystems.
This highlights the role of coastal ecosystems in #climatechange mitigation plans.
#collaboration #universityofauckland #helsinkiuni #stockholmuni
January 23, 2025 at 10:53 AM
APPLY NOW! Five internships funded by the Onni Talas Foundation are available at Tvärminne Zoological Station this summer.
👉 Send applications to joanna.norkko@helsinki.fi. Deadline for applications is 24.2.2025. Please see the link for more details!
#marinescience #internship #researchstation
Onni Talas Foundation Marine Science Discovery internship at Tvärminne | Tvärminnen eläintieteellinen asema | Helsingin yliopisto
The Onni Talas Foundation supports Baltic Sea research at Tvärminne Zoological Station. The Marine Science Discovery internship aims at providing young students with insights into conducting marine re...
www.helsinki.fi
January 23, 2025 at 10:50 AM
Fancy doing science under the Ice? The
#PolarScientificDivingProgram
running February 28th - March 9th 2025 at Kilpisjärvi Biological Station in Finland currently has 1 spot available. For more information contact #FSDA coordinator edward.stockdale@helsinki.fi
#scientificdiving
📸Jesse Jokinen
January 16, 2025 at 2:23 PM
👉 Open position!!

Postdoctoral Researcher in Molecular Food Web Ecology at @tvarminne.bsky.social @coastclim.bsky.social at the University of Helsinki.

Apply before: 31 January 2025

👉 More information and apply: www.coastclim.org/news/
December 20, 2024 at 8:52 AM
We wish you all a Merry Christmas and a Happy New Year 2025!

The station office and the restaurant is closed 23.12. – 6.1.
December 31, 2024–January 3, 2025 the station office can be reached by email: tvarminne-zool@helsinki.fi
December 19, 2024 at 7:59 AM
Reposted by Tvärminne Zoological Station
🚨NEW paper by Gillis et al. exploring #macrophyte #trait responses to #marineheatwaves & showing that lag phases between MHWs can having varying effects on macrophyte performance. 🌱
#Zostera #Fucus #AQUACOSM-plus @tvarminne.bsky.social

tinyurl.com/bd68cayk
The role of lag phases between real-term marine heatwaves in the trait responses of two macrophyte species
Coastal marine macrophytes are critical ecosystem engineers providing valuable ecosystem services. However, they experience detrimental impacts from c…
www.sciencedirect.com
December 10, 2024 at 7:53 AM