Images

A USGS research fisheries biologist (GLSC; Ann Arbor, Michigan) examines the catch from waters around Goderich, Ontario during the Lake Huron fall prey fish survey aboard the GLSC’s R/V Sturgeon. Photo credit: Kristy Phillips, USGS.

USGS vessel crewmembers (GLSC; Cheboygan, Michigan) and science staff (GLSC; Ann Arbor, Michigan) aboard the GLSC’s R/V Sturgeon open the cod end of a full bottom trawl net to examine the catch during an annual Lake Huron fall prey fish survey. Photo credit: Kristy Phillips, USGS.

A fall day at the Tahquamenon Upper Falls, Michigan. Photo credit: Cory Brant, USGS. 

The mysterious rocks and shoreline of Whitefish Point, Lake Superior. Photo credit: Cory Brant, USGS.

A USGS intern (GLSC; Chesterton, Indiana) jumping high with his bag of recently collected flower samples. Photo credit: Jessica Oswald, USGS Contractor.

USGS researchers (GLSC; Chesterton, Indiana) spiking chrysanthemums with DNA prior to a simulated rainfall as part of an environmental DNA degradation experiment. Photo credit: Zachary Hatfield, USGS Contractor.

Cisco (Coregonus artedi) and an assortment of prey fish caught in the North Channel of Lake Huron. Photo credit: Kristy Phillips, USGS.

USGS Cheboygan Vessel Base crew (GLSC; Cheboygan, Michigan) and GLSC science staff (Ann Arbor, Michigan) assist the R/V Sturgeon vessel captain through dark waters of the Byng Inlet after completing a long night of hydro-acoustic survey work in Georgian Bay, Canada. Photo credit: Kristy Phillips, USGS.

USGS researchers (GLSC; Ann Arbor, Michigan) tow an uncrewed, wind- and solar-powered vehiclethrough the Mississagi Strait in Lake Huron with the R/V Desmid for field sampling. Photo credit: Nick Yeager, USGS.

A USGS wetland scientist (GLSC; Ann Arbor, Michigan) pulls a small boat containing cut, invasive Phragmites australis during wetlands field work at Metzger Marsh on the shore of Lake Erie in Ohio. Photo credit: Anthony Rondon, USGS.

A pair of differential grasshoppers (Mellanoplus differentialis) mating on an invasive Phragmites australis plant within an experimental plot. Photo credit: Spenser Widin, USGS.

A juvenile lake sturgeon (Acipenser fulvescens) captured during a bottom trawl survey in Lake Erie aboard the GLSC’s R/V Muskie. Photo credit: Kevin Keretz, USGS.

Sunrise ahead near the Manitowoc, Wisconsin lighthouse as the R/V Arcticus heads out for a day of bottom trawling. Photo credit: Patty Dieter, USGS.

The aurora borealis, or northern lights, shined bright and danced in the sky for several days in mid-September as USGS researchers conducted night survey work near Tobermory, Ontario. Photo credit: Lyle Grivicich, USGS.

USGS scientists (GLSC; Ann Arbor, Michigna) prepare to launch an autonomous underwater vehicle from the GLSC’s R/V Dragonfly in Porte des Morts within the Lake Michigan waters of Wisconsin. Photo credit: Alden Tilley, USGS.

USGS vessel crewmembers (GLSC; Cheboygan, Michigan) and science crew (GLSC; Ann Arbor, Michigan) heave out the cod end of a bottom trawl net during the 2023 fall prey fish assessment in Lake Michigan aboard the GLSC’s R/V Arcticus. Photo credit: Cory Brant, USGS.

Sunrise near Frankfort, Michigan on misty Betsie Lake as the R/V Arcticus heads out to Lake Michigan for a day of bottom trawling. Photo credit: Patty Dieter, USGS.

A native deepwater sculpin (Myoxocephalus thompsonii) next to a clump of eyed eggs collected from a bottom trawl net aboard the R/V Arcticus on Lake Michigan. Photo credit: Patty Dieter, USGS.

A USGS technician (GLSC; Chesterton, Indiana) sampling Joe's Pye Weed that were visited by bumblebees in order to capture environmental DNA (eDNA) shed by the bees. Photo credit: Leslie Reyes, USGS Contractor.

A green frog (Lithobates clamitans) waiting patiently on dead Phragmites australis stems for its next meal. Photo credit: Meagan Froeba, USGS.

A USGS wetland scientist (GLSC; Ann Arbor, Michigan) walks alongside a treated invasive Phragmites australis site. Photo credit: Taaja Tucker-Silva, USGS.