Betsy Hartley

Wildlife

Displaying 1 - 5 of 5 resources

Hidden world of stream biodiversity revealed through water sampling for environmental DNA

For the first time, researchers have used a novel genomics-based method to detect the simultaneous presence of hundreds of organisms in a stream.

Chris Branam | Jul 23, 2019 | News Story

Extreme draining of Oregon reservoir aids young salmon and eliminates invasive fish

Low-cost, extreme draining of Fall Creek Reservoir aided downstream migration of juvenile chinook salmon – and led to the gradual disappearance of two species of predatory invasive fish in the artificial lake.

Chris Branam | May 21, 2019 | News Story

Young frogs that were stressed as tadpoles move less on land, putting their survival at risk

New Oregon State University research shows that juvenile northern red-legged frogs that have experienced climate-related stress as tadpoles are less likely to move on land, putting their survival at risk.

Chris Branam | May 2, 2019 | News Story

Climate change negatively affects waterbirds in the American West

New research shows that recent climate change is having profound effects on wetlands across the American West – affecting birds that use these wetlands for breeding, migration and wintering.  

Chris Branam | Mar 15, 2019 | News Story

Slime proves valuable in developing method for counting salmon in Alaska

Scientists have published a novel method for counting Pacific salmon – analyzing DNA from the slime the fish leave behind in their spawning streams.

Chris Branam | Jan 2, 2019 | News Story