Jgibson-0390 photo
4 maanden
Troops Learn about Invasive Species photo
4 maanden
Jgibson-0388 photo
4 maanden
Boardman River Fish Ladder photo
10 maanden
Invasive Carp Research on the James River in South Dakota. Photo: Sam Stukel (USFWS) photo
10 maanden
Wild parsnip in an Iowa prairie photo
10 maanden
Dan Kochanski, Lampricide Control Physical Science Technician talks sea lamprey photo
10 maanden
Treating Ogontz River photo
10 maanden
Invasive Carp eDNA Sampling on the James River in South Dakota. photo
10 maanden
Jgibson-9793 photo
10 maanden
Jgibson-9730 photo
10 maanden
Invasive Carp Research on the James River in South Dakota. Photo: Sam Stukel (USFWS) photo
10 maanden
Invasive Wild Parsnip photo
10 maanden
Zebra Mussels on the Shoreline. photo
10 maanden
Service Employee Sexing a Sea Lamprey at the Cheboygan River in Michigan. photo
10 maanden
Jgibson-0401 photo
10 maanden
Bayluscide input photo
10 maanden
Lake trout with severe sea lamprey wounds photo
10 maanden
Invasive Carp Research on the James River in South Dakota. Photo: Sam Stukel (USFWS) photo
10 maanden
Miners River sea lamprey barrier photo
10 maanden
Juvenile Bighead Carp (Hypophthalmichthys nobilis) photo
10 maanden
Bayluscide spot treatment photo
10 maanden
Sea lamprey control photo
10 maanden
Biological Science Technician Cassie Abrams from the Marquette Biological Station ensures an accurate lampricide application rate during a treatment of the Manistique River photo
10 maanden
Service Employees Dan Kochanski and Jamie Criger Administer a Granular Baylucide Treatment on the Boyne River in Michigan photo
10 maanden
Discussion with USGS staff photo
10 maanden
The wounded lake trout from another angle photo
10 maanden
Biological Science Technician Tiffany Opalka-Myers helps out with a sea lamprey treatment on the St. Mary's River in upper Michigan. photo
10 maanden
Invasive Queen Anne's Lace photo
10 maanden
Combating invasive species photo
10 maanden
Stopping Resprouting photo
10 maanden
The Team photo
10 maanden
Service Employee Checking a Sea Lamprey Trap on the St. Marys River, Which Borders Michigan and Ontario, Canada photo
10 maanden
Lamprey trap lifting photo
10 maanden
Invasive Carp eDNA Sampling on the James River in South Dakota. photo
10 maanden
Duluth Boat Show - Sea Lamprey Booth photo
10 maanden
Bittersweet nightshade is considered a weedy flower in much of the country. It's berries are not deadly but they can make you sick if eaten in any quantity! photo
10 maanden
Invasive Carp Research on the James River in South Dakota. Photo: Sam Stukel (USFWS) photo
10 maanden
Kill Deer photo
10 maanden
Jgibson-9522 photo
10 maanden