A military veteran’s new mission is to restore a stream and help people heal

A military veteran’s new mission is to restore a stream and help people heal

Jeff Swire, co-founder of Patriots Cove, has turned his private property into a fly-fishing refuge for other veterans and first responders seeking relief and renewed purpose. (Photo by Will Parson/Chesapeake Bay Program)

Patriots Cove has built a community around fly fishing to give veterans, first responders and caregivers a sense of purpose

According to U.S. Army veteran Jeff Swire, the 18-acre, outdoor refuge known as Patriots Cove has already saved … [more…]

California hit hard as Trump weakens clean water protections

California will be hit hard as Trump administration weakens clean water protections

Photo: Under the new rule, the Clean Water Act’s protections would no longer apply to most small streams and wetlands, including those that are considered vital parts of drinking-water systems and fisheries. Above is Owens Valley. (Brian van der Brug / Los Angeles Times)

Defying environmentalists and public health advocates, the Trump administration on Thursday will announce the replacement of Obama-era water protections with a significantly weaker set of regulations … [more…]

Trump Eases Pollution Controls on Streams and Wetlands

Trump Eases Pollution Controls on Streams and Wetlands

Photo: Farmland abutting prairie potholes, a type of ephemeral wetland, in North Dakota.Jim Brandenburg/Minden Pictures

WASHINGTON — The Trump administration on Thursday will finalize a rule to strip away environmental protections for streams, wetlands and other water bodies, handing a victory to farmers, fossil fuel producers and real estate developers who said Obama-era rules had shackled them with onerous and unnecessary burdens.

From Day 1 of his administration, President … [more…]

Mathematician develops model to control spread of aquatic invasive species

Mathematician develops model to control spread of aquatic invasive species

Credit: University of Tennessee

Adjusting the water flow rate in a river can prevent invasive species from moving upstream and expanding their range. An applied mathematician at UT has developed a partial differential equation model to find the desired flow rate to reduce invasive populations.

The model is detailed in a new paper by Suzanne Lenhart, Chancellor’s Professor and James R. Cox Professor of Mathematics, published in Mathematics.

"Invasives

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All about the humble water shrew

Water shrew

Photo: Water shrew Erni Shutterstock

The water shrew is well adapted to an aquatic lifestyle: they have a dark brown (almost black), waterproof coat of short fur, and ears (visible as white tufts) that can close in the water. A fringe of stiff silvery hairs runs the length of the underside of the tail, which they use as a rudder, and their hind feet have similar fringes. They can dive … [more…]