Betsy Hartley


Displaying 1 - 5 of 5 resources

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

Jul 23, 2019
For the first time, researchers have used a novel genomics-based method to detect the simultaneous presence of hundreds of organisms in a stream.

By Chris Branam | News Story

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

May 21, 2019
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.

By Chris Branam | News Story

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

May 2, 2019
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.

By Chris Branam | News Story

Economists develop decision-making method for lionfish management

Nov 28, 2017
Natural resource managers need to plan and budget for activities to deal with an invasive animal like the lionfish

By Chris Branam | News Story

Recovery of West Coast marine mammals boosts consumption of chinook salmon

Nov 20, 2017
Total fish eaten may now exceed the combined harvest by commercial and recreational fisheries

By Chris Branam | News Story