Freshwater Biological Association

Freshwater Biological Association Our mission is to promote the sustainable management of freshwater ecosystems and resources, underpinned by the best available science.

The Freshwater Biological Association (FBA) is a thriving membership association, independent scientific organisation and registered charity dedicated to understanding and conserving freshwaters across the globe. Founded in 1929, we have long worked to protect our global freshwaters by facilitating innovative research in the field and making information about these environments easily accessible.

We pride ourselves on being one of the finest sources of freshwater information in the world and are the custodians of a variety of long term data sets from sites of scientific significance. The FBA is managed by Executive Director, Simon Johnson who is assisted by a small team of dedicated staff, a board of trustees and almost 40 Fellows. We are located on the shore of Windermere, in Cumbria, and maintain a presence at the River Lab in East Stoke in Dorset with access to the River Frome. Fellows are elected in recognition of their scientific excellence in freshwater ecology, and/or their high-level contribution to the understanding and management of freshwater ecosystems. Each fellow specialises in a particular area of expertise, providing us with an extensive wealth of information to draw from, enabling us to make decisions and take knowledge-based actions. The board of trustees, elected by the members, guide the strategic direction of the Association in line with the charitable objectives. Our vision is to be the leading independent UK organisation for freshwater information and advice. It's imperative that we support our freshwaters as best we can, so it is our mission to promote the sustainable management of freshwater ecosystems and resources, using the best available science. The aims and goals of the Freshwater Biological Association are:
To widen our membership and enthusiasm in the freshwater environment. To provide evidence and information that helps to protect and conserve unique environments. To influence and broaden advocacy through outreach and public engagement. To facilitate the setting of the research agenda, ensuring that science benefits wider environmental aspirations in freshwater. Freshwater ecosystems are precious and endlessly important; not only do they provide drinking water and a space for recreation for us, but they are also a unique ecological resource, home to more than 40% of the world's fish species as well as an array of invertebrates, birds, mammals and plants. However, global freshwater ecosystems are rapidly deteriorating through the pressure of human activity. Aside from our rich history, we also provide current and up-to-date reliable advice to the public and professionals, to help everyone protect the freshwater environment around them. It is our hope that by raising awareness and providing the most recent up-to-date information, we can halt and even reverse the declining trend in the degradation of freshwater ecosystems, thus sustaining and conserving the very building blocks of life. The FBA is a registered charity, number 214440 and a company limited by guarantee, registration number 263162, England.

16/06/2026

Our June newsletter is out now! If you'd like to read it, or sign up to our mailing list so future issues come directly to your inbox, go to riverflies.org/newsletters.

A massive thanks to everyone who attended our Annual Scientific Meeting in Edinburgh last week... it was a jam-packed da...
15/06/2026

A massive thanks to everyone who attended our Annual Scientific Meeting in Edinburgh last week... it was a jam-packed day of super inspiring freshwater science!

Hosted by Edinburgh Napier University the ASM's focus on ‘Emerging approaches for freshwater science’ provided an incredible collection of presentations from Atoms to Zooplankton, alongside some fabulous poster presentations from Early Career Researchers.

The event kicked off with Jennifer Dodd's ace exploration into identifying gaps in freshwater evidence using Artificial Intelligence, followed by Buglife - The Invertebrate Conservation Trust's Craig Macadam looking at how AI could be applied to freshwater invertebrate identification.

Josie Geris invited us to go up in drones and underwater looking at insights into thermal infrared imagery integrations in freshwater scenarios, and Lori Lawson Handley (UK Centre for Ecology & Hydrology - UKCEH) presented on evidence for a decline in Arctic charr spawning habitat condition and activity in Windermere through a combination of hydroacoustics and eDNA analyses.

We had a captivating keynote from Bernd Hänfling (UHI Inverness) on what eDNA can tell us about freshwater biodiversity, while Jess Lister (Edinburgh Napier University) gave an absolutely fascinating talk on the Plecoptera’s Paradiddle and advances in acoustic approaches to uncover stonefly behaviour. For our final keynote Brian Hayden took us on an unforgettable, mind-expanding isotope adventure spanning from atoms to ecosystems.

We were treated to mycological marvels with amazing insights into fungal filters and their potential for reducing nutrients from farm runoff. Further highlights included enlightening research into evidence-led freshwater pearl mussel conservation translocations, and advancing knowledge and management of biodiversity in the UK’s temporary streams. The conference concluded with a thought-provoking session around connecting activists and scientists, exploring the science of campaigning with uplifting case studies from the River Wharfe and the River Wensum, demonstrating the power of collective action to support freshwater ecosystems.

Wowzers! It really was quite a day! So please allow us to extend our heartfelt thanks to all the amazing organisers, presenters and attendees... we hope you found it as inspiring as we did. We look forward to welcoming you at the next Annual Scientific Meeting in 2027! 💙💦



Images: (1) Annual Scientific Meeting at the Craiglockhart Campus, Edinburgh Napier in June 2026. (2) Bernd Hänfling (UHI Inverness). (3) Slide from Jess Lister's presentation: The Plecoptera’s Paradiddle. (4) FBA's Head of Science Louise Lavictoire. (5) Poster presenters at the ASM 2026. (6) Poster session during the ASM 2026. (7) FBA Executive Director Simon Johnson.

Are you interested in improving your understanding of harmful and nuisance algae? If so please read on... as there is on...
13/06/2026

Are you interested in improving your understanding of harmful and nuisance algae? If so please read on... as there is one final place available on our Freshwater Algal Identification course, taking place next week 15 - 19 June 2026.

Join expert tutors for an in-depth 4.5 day course designed to train staff of environmental and other agencies, in the identification of the major groups of ecologically important algae for assessment ‘incidents’ and the recognition of ecologically harmful and nuisance algae.

The course will provide an introduction to algal identification for those with limited experience of freshwater algae but, nonetheless, every effort will be made to cater for those who wish to enhance their existing taxonomic expertise and identification skills. This course is based on the highly successful Durham Freshwater Algal Identification course.

Dates: 15 - 19 June 2026.
Location: Field Studies Council, Castle Head, Grange-Over-Sands, Cumbria LA11 6QT.
Tutors: Prof Martyn Kelly, Prof David John, Dr B Brierley, Dr A Pentecost.

To find out more and register, please visit:
https://www.fba.org.uk/shop/p/freshwater-algal-identification-course-2026



Environment Agency EA Fisheries Team - Gtr Manchester, Merseyside & Cheshire Department for Environment, Food and Rural Affairs (Defra) Natural England Lake District National Park

Have you registered for our Annual Scientific Meeting 2026? Yes! Fantastic... we are so looking forward to seeing you at...
09/06/2026

Have you registered for our Annual Scientific Meeting 2026? Yes! Fantastic... we are so looking forward to seeing you at the ASM on Thursday 11 June, in beautiful Edinburgh.

Not yet? Good news... you still have time to register and we would love you to join us!

This conference-style event, hosted by Edinburgh Napier University, is in-person only and will be shining a light on ‘Emerging approaches for freshwater science’ and how these can support vulnerable freshwater ecosystems.

We are thrilled to have a fantastic line-up of speakers, including keynotes from Brian Hayden (Atomic Ecology), Jennifer Dodd and Jess Lister (Edinburgh Napier University), and Bernd Hänfling (UHI Inverness). The ASM will additionally showcase the research and practice of other FBA members including staff, scientists and fellows.

"From highland loughs to pristine chalk streams, diverse and healthy food webs underpin all aspects of freshwater ecosystem function. Come along to learn how naturally occurring chemical tracers can quantify nutrient dynamics, animal diet and food web structure of all aquatic habitats."
– Brian Hayden, Atomic Ecology

If you fancy meeting up on Wednesday 10 June (tomorrow!), we have arranged a social meet-up for us to have a very informal networking opportunity. We will go for a walk along the Water of Leith (the main river system that flows through the centre of Edinburgh, part of the Forth River catchment), and hear from Johnny, a ranger from the Water of Leith Conservation Trust, who will talk about the work of the Trust. And if there is a chance, even a guddle in the river!

This is an opportunity to meet people from the network and we are especially keen for early or new career freshwater ecologists to come and meet more established members of the network. We hope this will be an excellent opportunity to make some new freshwater friends and build camaraderie to help facilitate fun discussions at the ASM. Please find details on the FBA website (link below).

Find out more and register for the FBA ASM 2026 today!
https://www.fba.org.uk/annual-scientific-meeting-2026

For your genetic-fish-tastic Friday enjoyment we are thrilled to share a treat for all trout and freshwater science fans...
05/06/2026

For your genetic-fish-tastic Friday enjoyment we are thrilled to share a treat for all trout and freshwater science fans... Heavy Metal Trout in Hard Rock Rivers! This article by Dr Daniel Osmond examines how trout have adapted to living in some of our most polluted post-industrial landscapes.

Daniel is a senior fisheries scientist for Westcountry Rivers Trust and research associate with Jamie Stevens’ Molecular Ecology group at the University of Exeter. He is an enthusiast of wild trout and the places where they live. This article is reproduced with kind permission from The Wild Trout Trust. The research was supported by the Game & Wildlife Conservation Trust (GWCT) and Westcountry Rivers Trust.

The results of this study highlight the remarkable adaptive potential of brown trout populations to survive even within acutely toxic polluted environments. The repeated trend of genetic isolation and reduced diversity within these impacted populations however suggests that these populations are vulnerable to future stressors, with low diversity limiting their adaptive potential.

The article reflects on the implications for conservation and management to allow these populations to interact with other trout again, and be ‘genetically rescued’ for the future by restoring their full potential ‘toolkit’ of genetic diversity.

You can read Heavy Metal Trout in Hard Rock Rivers by Dr Daniel Osmond on the FBA website:
https://www.fba.org.uk/articles/heavy-metal-trout-in-hard-rock-rivers



Images:
(1) A wild brown trout living in a metal-polluted river in west Cornwall.
(2) Electrofishing at Cwmystwyth to collect tissue samples from trout in post-industrial rivers, assisted by Dylan Roberts of Game & Wildlife Conservation Trust (GWCT).
(3) Underneath the scales of the humble trout lie astonishing evolutionary stories.
(4) A point source of minewater pollution from an adit at Cwmystwyth mine into the River Ystwyth.

Hello freshwater friends! As you know, here at the FBA we are besotted by the biology and beauty of riverflies, but have...
03/06/2026

Hello freshwater friends! As you know, here at the FBA we are besotted by the biology and beauty of riverflies, but have you ever wondered how human sound might impact freshwater species whilst in their submerged state?

Jess Lister, PhD student at Edinburgh Napier University, will be introducing a keynote on this very subject at our Annual Scientific Meeting next week: The Plecoptera’s Paradiddle – Advancing acoustic approaches to uncover stonefly behaviour.

"Human-made acoustic pollution is now ubiquitous in terrestrial and aquatic ecosystems. While UK directives and policy statements exist to limit the levels of acoustic pollution in marine and terrestrial environments, no protection exists for freshwater environments. There is a pressing need to gather information about the role of this poorly understood and understudied pollutant in freshwaters."
– Jess Lister, Edinburgh Napier University

Interested in finding out more? Please come along and join us! Our ASM is in the beautiful city of Edinburgh on Thursday, 11 June.

Hosted by Edinburgh Napier University the ASM will be shining a light on ‘Emerging approaches for freshwater science’ and promises an inspiring line-up of speakers alongside Jess, including keynotes from Bernd Hänfling (UHI Inverness), Jennifer Dodd (Edinburgh Napier University), and Brian Hayden (Atomic Ecology). The in-person event will also be showcasing the research and practice of other FBA members including staff, scientists and fellows.

Find out more and register for the FBA ASM 2026 today!
https://www.fba.org.uk/annual-scientific-meeting-2026



Image: Amazing photograph of Perlodes mortoni - aka the orange-striped stonefly - by Neil Phillips (UK Wildlife Pond Man).

03/06/2026

Check out this cool close-up of an incredible cased caddis! You can find out more about these amazing freshwater critters on the Riverfly Partnership website: https://www.riverflies.org/trichoptera 💙

03/06/2026

Address

The Ferry Landing, Far Sawrey
Ambleside
LA220LP

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 4:30pm

Telephone

+441539442468

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