How city roads trap migrating fish

A recent US study found tyre chemicals were polluting rivers and poisoning migratory salmon.

Stephanie Januchowski-Hartley, Sêr Cymru Research Fellow in Environmental Sciences, Swansea University • conversation
Jan. 8, 2021 ~5 min

fish water-pollution cars rivers roads urban salmon streams freshwater motorways eels urbanisation

Flooding can help resurrect wetlands and slow climate change – here's how

Flooding isn't always destructive – it can be part of our toolkit for restoring ecosystems.

George Heritage, Honorary Research Fellow in Hydromorphology, University of Salford • conversation
Nov. 25, 2020 ~7 min

biodiversity flooding rivers wetlands freshwater natural-climate-solutions floodplains

Invasive species: why Britain can't eat its way out of its crayfish problem

We found that signal crayfish traps tend to catch larger males, letting the bulk of the population go free.

Eleri G. Pritchard, PhD Candidate in Freshwater Ecology, UCL • conversation
Oct. 13, 2020 ~6 min

biodiversity rivers endangered-species freshwater-biology invasive-species crustaceans

Pollutants banned for over 30 years linger in UK rivers – our wildlife is the evidence

The ghosts of our industrial and agricultural past continue to haunt freshwater ecosystems today.

Fred Windsor, Research Associate in Network Ecology, Newcastle University • conversation
Oct. 9, 2020 ~6 min

pollution rivers industrial-pollution freshwater-biology environment-agency freshwater chemical-pollution

A proposed mine threatens Minnesota's Boundary Waters, the most popular wilderness in the US

Conservation or copper? A proposed mine in northern Minnesota pits industrial jobs against a thriving outdoor economy.

Char Miller, W. M. Keck Professor of Environmental Analysis and History, Pomona College • conversation
Oct. 5, 2020 ~10 min

conservation forests water-pollution fishing donald-trump-administration mining rivers minerals outdoors lakes copper wilderness us-forest-service minnesota sonny-perdue camping

Culverts – the major threat to fish you've probably never heard of

Fish need to cross roads too. But the tunnels built to channel rivers under roads and railways can block their migrations.

Sayali Pawar, Research Fellow in GIS and Environmental Change, Swansea University • conversation
Aug. 6, 2020 ~6 min

biodiversity fish construction dams rivers freshwater-biology roads eels

Cuba's clean rivers show the benefits of reducing nutrient pollution

Cuba's sustainable approach to farming has protected its rivers from the kind of nutrient pollution that impairs many US waterways.

Amanda H. Schmidt, Associate Professor of Geology, Oberlin College and Conservatory • conversation
June 10, 2020 ~9 min

agriculture united-states rivers trump-administration cuba nutrient-pollution science-diplomacy agroecology obama-administration

Letting rivers run wild could reduce UK flooding – new research

Efforts to engineer Britain's rivers over the past 75 years have only made flooding worse.

George Heritage, Honorary Research Fellow in Hydromorphology, University of Salford • conversation
June 2, 2020 ~6 min

flooding rivers flood-defences cumbria-floods

When dams cause more problems than they solve, removing them can pay off for people and nature

Thousands of dams across the US are aging and overdue for maintenance. Taking them down can revive rivers, restore fish runs and create new opportunities for tourism and outdoor activities.

Jon Honea, Assistant Professor of Science, Emerson College • conversation
May 29, 2020 ~9 min

climate-change water flooding fisheries dams rivers ecosystem-recovery california maine hydropower

Mine waste dams threaten the environment, even when they don't fail

Dams built to hold enormous quantities of toxic mining waste have a long history of spills. Decisions in the Pacific Northwest threaten three free-flowing rivers there.

Julian D. Olden, Professor of Aquatic and Fishery Sciences, University of Washington • conversation
Feb. 24, 2020 ~9 min

 brazil  canada  dams  water-pollution  mining  regulation  rivers  alaska  heavy-metals  mine-tailings

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