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I use food webs to describe ecosystem response to river regulation and biological invasions. I have been with USGS since 2004, providing science in support of the Glen Canyon Dam Adaptive Management Program.
SBSC's foodbase team conducts aquatic insect studies downstream of Glen Canyon Dam in the Colorado River during "Bug Flows" - a modified flow regime designed to benefit insects.
SBSC's foodbase team conducts aquatic insect studies downstream of Glen Canyon Dam in the Colorado River during "Bug Flows" - a modified flow regime designed to benefit insects.
Aquatic insect eggs are laid on rocks just at the waterline along the Colorado River in Grand Canyon and here they are exposed as the water levels fluctuate. Aquatic insects are an important part of the food base in the Colorado River, providing food for fish, bats, and birds. Aquatic insects need to stay damp to survive and hatch.
Aquatic insect eggs are laid on rocks just at the waterline along the Colorado River in Grand Canyon and here they are exposed as the water levels fluctuate. Aquatic insects are an important part of the food base in the Colorado River, providing food for fish, bats, and birds. Aquatic insects need to stay damp to survive and hatch.
Meet Katie, one of the 40 million people who depend on the Colorado River. Pondering life after high school, Katie finds comfort in reflecting on her time in one of the Nation’s most iconic National Parks.
Meet Katie, one of the 40 million people who depend on the Colorado River. Pondering life after high school, Katie finds comfort in reflecting on her time in one of the Nation’s most iconic National Parks.
SBSC's foodbase team conducts aquatic insect studies downstream of Glen Canyon Dam in the Colorado River during "Bug Flows" - a modified flow regime designed to benefit insects.
SBSC's foodbase team conducts aquatic insect studies downstream of Glen Canyon Dam in the Colorado River during "Bug Flows" - a modified flow regime designed to benefit insects.
Aquatic insect eggs are laid on rocks just at the waterline along the Colorado River in Grand Canyon and here they are exposed as the water levels fluctuate. Aquatic insects are an important part of the food base in the Colorado River, providing food for fish, bats, and birds. Aquatic insects need to stay damp to survive and hatch.
Aquatic insect eggs are laid on rocks just at the waterline along the Colorado River in Grand Canyon and here they are exposed as the water levels fluctuate. Aquatic insects are an important part of the food base in the Colorado River, providing food for fish, bats, and birds. Aquatic insects need to stay damp to survive and hatch.
Meet Katie, one of the 40 million people who depend on the Colorado River. Pondering life after high school, Katie finds comfort in reflecting on her time in one of the Nation’s most iconic National Parks.
Meet Katie, one of the 40 million people who depend on the Colorado River. Pondering life after high school, Katie finds comfort in reflecting on her time in one of the Nation’s most iconic National Parks.
