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

Tags: 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

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

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

Tags: biodiversity fish construction dams rivers freshwater-biology roads eels

Microplastics: tiny crustaceans can fragment them into even smaller nanoplastics

The discovery that such a common animal can rapidly produce vast numbers of nanoplastics is particularly worrying.

Alicia Mateos Cárdenas, Postdoctoral Researcher, University College Cork • conversation
July 31, 2020 ~6 min

Tags: microplastics marine-biology freshwater-biology microplastic crustaceans

Insects: worldwide study reveals widespread decline since 1925

The largest study of insect declines to date gives us the best indication of how species all over the world are faring.

Stuart Reynolds, Emeritus Professor of Biology, University of Bath • conversation
April 23, 2020 ~7 min

Tags: conservation biodiversity insects entomology bugs freshwater-biology insect-decline

Insects: worldwide study reveals general decline since 1925

The largest study of insect declines to date gives us the best indication of how species all over the world are faring.

Stuart Reynolds, Emeritus Professor of Biology, University of Bath • conversation
April 23, 2020 ~7 min

Tags: conservation biodiversity insects entomology bugs freshwater-biology insect-decline

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