Tag: Dams

December 16, 2022

Watch: Interior embarks on largest dam removal in U.S. history

Federal officials are preparing to remove four dams along the Klamath River to improve the watershed along the California-Oregon state line. “Clean water, healthy forests and fertile land made the...

December 29, 2020

Leave it to beavers for amphibians

As nonnative trout take exclude imperiled amphibians from lakes and ponds, and climate change causes many of the remaining ones to dry out early in the season, some amphibians are...

December 4, 2020

Wolves alter Minnesota wetlands

Wolves in Minnesota’s Voyageurs National Park are changing the wetlands ecosystem there, researchers found, due to their appetite for beavers. “Wolves eat a lot of beavers, especially in Voyageurs, where...

September 17, 2019

Declining salmon raise concerns about other species

Researchers are worried about the future of Chinook salmon in the Columbia River basin, and their decline could threaten a range of other wildlife, from eagles to orcas. Chinook spawning...

August 30, 2019

Watch: Video of ‘fish tube’ soars on Twitter

It’s impossible to guess what will go viral these days. Take the sudden fascination with a “fish tube” that captured the world’s imagination in Twitter recently. Biologists know these mechanisms,...

August 21, 2019

Four Klamath dams to be removed by 2022

Four dams along the lower Klamath River in southern Oregon and Northern California could be removed by 2022. The Capital Press reports that the nonprofit Klamath River Renewal Corp., has...

August 2, 2019

Arizona toads holding ground from generalist cousins

Populations of Arizona toads are standing their ground despite the generalist nature of their cousins downstream. “I call them the ‘trash can toad’” because they will breed in just about...

November 20, 2017

Beaver and trout in the 21st century ⏤ from The Wildlife Professional

Managing wide-ranging interests in Wisconsin pays off The decision had been eagerly anticipated and a long time coming. For four years, a Wisconsin group had been crafting a plan to...

July 19, 2016

Flat river valleys serve as hotspot for mountain wildlife

When renowned conservation leader Harvey Locke hiked through the Flathead River Valley with TWS member Ric Hauer in 2008, he already knew the area was a hotspot for wildlife. But,...

September 15, 2015

A Pond to Call Home: How Beavers Pick the Best Dam Water

Beaver ponds are a good indicator of beaver activity as well as beaver colony density, according to recent findings. Carol Johnston, lead author of a new study published in the...