Over a few short decades, the shape of Shetland’s salmon aquaculture sector went from small-scale crofting by prosperous local heroes to corporate mega-business. Tom Morton surveys the industry landscape now after the boom-and-bust years of a decade ago.
Interbreeding between between native cutthroat trout and invasive rainbow trout is increasing across the northern Rocky Mountains, according to a recent study by the US Geological Survey and partners.