Chalk-stream salmon should be officially classified as a sub-species, new research suggests. Scientists from the University ...

Scientists found that salmon in rare chalk rivers are genetically different from other salmon. These unique fish may form ...

Chemical dumping is driving Hampshire’s chalk-stream salmon and trout to extinction, local officials have warned.

Surveying shows one of England’s important chalk streams has suffered “a decade of decline”, campaigners warn as they call for more action to protect the globally rare habitat. Monitoring at five ...