Winter Science Work

A person kneels in the snow on a frozen lake with mountains in the background.
Photo By/Credit
Cortez Rohr/USFWS
Date Shot/Created
03/16/2023
Media Usage Rights/License
Public Domain
Image
USFWS Zone Wildlife Biologist Jeff Warren deploys a probe to measure dissolved oxygen through an augered hole in the ice on Upper Red Rock Lake at Red Rock Lakes National Wildlife Refuge in support of Arctic grayling conservation efforts. Photo by Cortez/USFWS.
Facility
Red Rock Lakes National Wildlife Refuge
Ecosystem
Lake
Mountain
Species
Thymallus arcticus
Subject tags
Biologists (USFWS)
Conservation
Conservation science
Employees (USFWS)
Fisheries management
Ice
Lakes
Mountains
Research
Science
Scientific personnel (USFWS)
Snow
Wilderness
Wildlife refuges