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Lovely day in the field, setting up our final QUANTUM Freshwaters field experiments exploring stream ecotoxin exposure for fish and invertebrates, slurry contaminant transfers from land to stream, and livestock excreta as an organic nutrient source for biofilms, mosses and snails.

Great day setting up a pilot stream warming experiment for our upcoming QUANTUM Freshwaters isotope experiment with Ana Castro-Castellon, D.Phil and our newest recruit, Dr James McDonald who has just joined our Natural Environment Research Council funded ERC Advanced Grant REFRESH team. Knowledge transfer at its best!

Great to have Hannah Champion of JBA Consulting in the field with us today as we fine-tune our warming approach for our final forthcoming QUANTUM Freshwaters isotope dosing experiments next week. Informing our collaborative modelling with field experience!

Nearly all of our QUANTUM Freshwaters postdocs and techs on site today to set up Chemcatchers and maintain fish and invert populations in our field ecotox exposure experiments. University of Bristol University of Exeter University of Bath #multidisciplinary #collaboration #fun-science

Our final QUANTUM Freshwaters isotope dosing experiment is now underway! Exciting science. Looking forward to comparing May results with Nov expt. outcomes, and discovering the impacts of warming effects to RCP 6.0 on stream processing and biotic uptake of DOM as a nutrient resource

Doing great science requires a great team. Introducing Dr Ana Castro-Castellon NERC QUANTUM PDRA, freshwater ecology and chemistry specialist with field electronics skills. Picture after getting all 45 motors working on our stream isotope experiment. Great working with you, Ana!

Tolu is one of four PDRAs on our Natural Environment Research Council FreshwaterQuality QUANTUM Freshwaters project, and with Prof Barbara Kasprzyk Hordern at University of Bath is leading on the analysis of our livestock excreta and freshwater samples for 200 ecotoxin compounds.

More knowledge exchange and training on the NERC QUANTUM isotope dosing platform, with researchers joining us from our ERC REFRESH and NERC MICRO-CYCLE teams as we collect our 96 hr gas, biofilm and moss samples, and add snails for the final 96 hr period. Final samples at 192hr.

Those snails do like a ride on the sensors! Great to have Charlotte with us now on the ERC REFRESH programme too!

Thank you Kim, great to meet you today and show you what we have been doing!

More fieldwork fun for QUANTUM and REFRESH teams today. A visit from WelshRiversUnion🐟🦆🌳, then started site decommissioning following completion of our experiments, and marked up a sample grid for soil coring on our slurry amendment plots. Curious cattle made leaving the site tricky!

Final day of sampling today for the University of Bristol team at our @QUANTUMFreshWtr field site, and the Exeter Biosciences team completing their field ecotoxin exposure experiments. A fantastic field site for the project. Many thanks to the farmers and villagers for their support.

Last day in the field, returning our NERC QUANTUM field kit to the University of Bristol Fenswood Farm field store, where we bumped into our Aviation Engineering colleagues flying drones. They kindly agreed to fly over our field site, producing aerial images for our future presentations!🧪

As we finish our QUANTUM field experiments and move on to upscaling and modelling work at national scale, we'd like to thank the residents of Rickford and our hugely helpful farmers, Paul and Roger Keel for their support. We'll return in the autumn to tell you what we've found!

When livestock have direct access to watercourses, the risk of ecotoxin, pathogen, organic matter and nutrient pollution increases to 100%. QUANTUM Freshwaters Natural Environment Research Council sampling FreshwaterQuality found some culprits today.....

33/60 QUANTUM Freshwaters sites in SW & W England and Wales have now been sampled. Next stop N England and Scotland! By focusing on sheep, beef and dairy farmed catchments the national picture we are building of their impacts on UK rivers will help inform better policy & management

Great opportunity to win a full Engineering and Physical Sciences Research Council funded PhD Studentship with 4 years fees, stipend (£19237 pa) and full RTSG, working with Prof Ian Bull, Director of the National Environmental Isotope Facility and my ERC Advanced Grant REFRESH team. Starts 10/2025 shorturl.at/AJREj

Spoke on BBC Radio 4 Farming Today this morning on the implications of the Cunliffe Report for UK farmers and freshwaters, explaining some of the key findings from our UK Research and Innovation FreshwaterQuality QUANTUM Freshwaters programme on livestock impacts on waters: bbc.co.uk/sounds/play/m0…