University of Oxford retracts toxic algae warning in park while health concern grows
A “thick mat” of weed and “almost fluorescent” green water have appeared at one of Oxfordshire’s historic swimming spots
The University of Oxford has retracted its warning about potentially harmful algal blooms in University Parks after confirming the algae to be harmless duckweed.
On 5th August, signs were posted around University Parks cautioning visitors about a possible algal bloom due to recent dry weather, which might be dangerous to humans and pets.
Upon investigation, the university found that the growth was duckweed (Lemna minor), which formed a thick mat resembling an algal bloom due to low water levels, warm conditions, and slow river flow.
A university spokesperson revealed that the threat had been overstated and assured no risk to humans or animals from harmful algae, though entering the water was still discouraged due to low visibility.
Despite the retraction, concerns remain about the impact of climate change and the health of Oxfordshire's waterways.
A rise in algal blooms, noted by the UK Centre for Ecology and Hydrology’s ‘Bloomin’ Algae maps’, has been confirmed in areas like Farmoor Reservoir and Hardwick Parks.
The Environment Agency has reported toxic blue-green algae at Standlake's Hardwick Parks, which poses significant risks to wildlife and pets, especially dogs.
Veterinary experts and agencies warn against letting dogs swim in or drink from potentially contaminated water to avoid fatal risks.
Record-breaking heatwaves have led to drought conditions in Oxfordshire, impacting water quality and increasing fire risks.
Water scarcity predictions by the Environment Agency have swiftly materialised, exacerbating the stress on water systems.
Campaigners are advocating stronger regulations for water companies and improved management of water resources in light of these challenges.
Oxfordshire councillors and MPs call for urgent action against climate change, aiming for more investment in infrastructure and resilience planning.
Local campaigners urge for public ownership of water resources, focusing on reducing pollution and promoting efficiency.
Restricted access to algae-filled waters, alongside measures like hosepipe bans, reflects the pressing need to conserve water in the area.
Field fires in Oxfordshire point to the heightened risk of wildfires, prompting the fire service to caution against activities that could spark flames.
Representative Anneliese Dodds emphasised the need for immediate and sustained action to address the climate crisis effectively.