Posted inGoat

Are invasive species really that terrible?

The West’s approach to managing invasive species has, for the most part, been a straightforward one: eradicate them swiftly and at all costs. Spray ‘em, poison ‘em, net ‘em, douse ‘em with fungus, and, when all else fails, eat ‘em – whatever the method, the important thing is that the invader is sent packing. But […]

Posted inGoat

New California shrimp: A reminder of the West’s undiscovered biodiversity

In 2010, Ed Hendrycks, a research assistant at the Canadian Museum of Nature in Ottawa, was poring through his museum’s collection of caprellids with José Guerra-Garcia, a researcher visiting from Sevilla, when the Spanish scientist noticed an unusual specimen. One of the caprellids – tiny crustaceans whose slender, translucent bodies have earned them the nickname […]

Posted inWotr

Suckers for gold: recreational dredgers can wreck stream beds

Suction dredging for gold is basically a recreational activity. Required equipment: gasoline-powered dredge, sluice box, wetsuit and scuba gear. With a 4-inch-diameter hose you vacuum up what’s on the bottom of rivers — stuff like gravel, woody debris, plants, mussels, snails, insect larvae, crayfish, frogs, salamanders, fish eggs, fish fry and, occasionally, gold. I have […]

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