Typical contents of a net deployment showing larval fish, possibly pallid sturgeon.
Images
Multimedia related to the Species Management Research Program are shown below. Click on an image to see a larger view and additional details.
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Ichthyoplankton Sample
Typical contents of a net deployment showing larval fish, possibly pallid sturgeon.
Larval Release
Simultaneous mass release of 700,000 free embryos from boats distributed across the channel of the Upper Missouri River.
Simultaneous mass release of 700,000 free embryos from boats distributed across the channel of the Upper Missouri River.
Pre-Sample Briefing
Pre-deployment briefing for the Upper Missouri River Pallid Sturgeon Drift Study. Fish biologists and physical scientists from Montana Fish Wildlife and Parks, US Geological Survey, U.S. Fish and Wildlife Service, University of Montana, Nebraska Game and Parks Commission, and US Army Corps of Engineers go over the sample design and assignments.
Pre-deployment briefing for the Upper Missouri River Pallid Sturgeon Drift Study. Fish biologists and physical scientists from Montana Fish Wildlife and Parks, US Geological Survey, U.S. Fish and Wildlife Service, University of Montana, Nebraska Game and Parks Commission, and US Army Corps of Engineers go over the sample design and assignments.
Dye Preparation
USGS scientists prepare to mix rhodamine-WT dye for the dye trace experiment. The suits are to keep the harmless dye off of clothing.
USGS scientists prepare to mix rhodamine-WT dye for the dye trace experiment. The suits are to keep the harmless dye off of clothing.
Pallid Sturgeon Embryo
Macro photo of a developing pallid sturgeon embryo. Developing embryo appears light gray
Macro photo of a developing pallid sturgeon embryo. Developing embryo appears light gray
Mother grizzly and cub at Gibbon River, Yellowstone National Park
Mother grizzly and cub at Gibbon River, Yellowstone National ParkA USGS grizzly bear researcher snapped this picture of a mother grizzly bear and her cub in Yellowstone National Park. Adult females are the most important segment of the grizzly bear populations because they are the reproductive engine.
Mother grizzly and cub at Gibbon River, Yellowstone National Park
Mother grizzly and cub at Gibbon River, Yellowstone National ParkA USGS grizzly bear researcher snapped this picture of a mother grizzly bear and her cub in Yellowstone National Park. Adult females are the most important segment of the grizzly bear populations because they are the reproductive engine.