Dr. DiRenzo's research program focuses on unifying ecological and evolutionary theory to address fundamental questions in ecology using field, experimental, and quantitative approaches. She enjoys teaching graduate courses related to quantitative ecology, disease ecology, and population/community ecology.
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Dr. DiRenzo's research program focuses on unifying ecological and evolutionary theory to address fundamental questions in ecology using field, experimental, and quantitative approaches. She enjoys teaching graduate courses related to quantitative ecology, disease ecology, and population/community ecology.
Graziella V. DiRenzo
Dr. DiRenzo joined the MA Cooperative Research Unit in Nov 2020, where she is the Assistant Unit Leader of Wildlife and adjunct faculty in the department of Environmental Conservation at the University of Massachusetts, Amherst. Dr.
Dr. DiRenzo joined the MA Cooperative Research Unit in Nov 2020, where she is the Assistant Unit Leader of Wildlife and adjunct faculty in the department of Environmental Conservation at the University of Massachusetts, Amherst. Dr.
Scientist holding brown treesnake
A USGS scientist holds an invasive brown treesnake.
A USGS scientist holds an invasive brown treesnake.
Measuring South Cascade Glacier
A scientist takes field notes on glacier mass change after measuring an ablation stake installed on the surface of South Cascade Glacier, Washington.
A scientist takes field notes on glacier mass change after measuring an ablation stake installed on the surface of South Cascade Glacier, Washington.
Sentinel Peak, Cascade Range at Sunset
Sunset illuminates Sentinel Peak in the Cascade Range above South Cascade Glacier. Bright white seasonal snow is visible along the upper right flank of the glacier and banded bare ice is exposed toward the glacier terminus.
Sunset illuminates Sentinel Peak in the Cascade Range above South Cascade Glacier. Bright white seasonal snow is visible along the upper right flank of the glacier and banded bare ice is exposed toward the glacier terminus.
I Am A Fire Ecologist - Coloring Page
This is a high resolution image for the whiteboard series I Am A Fire Ecologist - Coloring Page
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This is a high resolution image for the whiteboard series I Am A Fire Ecologist - Coloring Page
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Wild Black Carp
A black carp collected by USGS scientists from the Mississippi River. Credit: USGS.
A black carp collected by USGS scientists from the Mississippi River. Credit: USGS.
Cottonwood Lake Study Area Wetland P8
WebCam image of wetland P8 at the Cottonwood Lake Study Area in Stutsman County, North Dakota.
WebCam image of wetland P8 at the Cottonwood Lake Study Area in Stutsman County, North Dakota.
Ornithologist coloring page.
This is a high resolution image for the whiteboard series Ornithologist coloring page.
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This is a high resolution image for the whiteboard series Ornithologist coloring page.
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How does restoration affect soils?
How do restoration plantings alter ecosystem function? NAU PhD student Kathleen Balazs and technician Sarah Negovan measure soil water infiltration rates at a RestoreNet site near La Sal, Utah. These measurements will illustrate how restoration plantings effect certain ecosystem functions
How do restoration plantings alter ecosystem function? NAU PhD student Kathleen Balazs and technician Sarah Negovan measure soil water infiltration rates at a RestoreNet site near La Sal, Utah. These measurements will illustrate how restoration plantings effect certain ecosystem functions
Firefighter with drip torch and burning vegetation
Firefighter with drip torch and burning vegetationA firefighter wearing safety gear and holding a drip torch walks away from a line of burning vegetation.
Firefighter with drip torch and burning vegetation
Firefighter with drip torch and burning vegetationA firefighter wearing safety gear and holding a drip torch walks away from a line of burning vegetation.
Water Sample Collections, Franklin Lock and Dam
Photographic image of two USGS scientists on a boat collecting water samples for HABS research at the Franklin Lock and Dam, Caloosahatchee River, Florida.
Photographic image of two USGS scientists on a boat collecting water samples for HABS research at the Franklin Lock and Dam, Caloosahatchee River, Florida.
I Am A...Herpetologist Coloring Page
This is a high resolution image for the whiteboard series I Am A...Herpetologist Coloring Page.
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This is a high resolution image for the whiteboard series I Am A...Herpetologist Coloring Page.
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USGS Director Jim Reilly gives a speech
The USGS Forest and Rangeland Ecosystem Science Center (FRESC) held a groundbreaking ceremony on August 25, 2020 at the Idaho Water Science Center (IDWSC) in Boise, Idaho.
The USGS Forest and Rangeland Ecosystem Science Center (FRESC) held a groundbreaking ceremony on August 25, 2020 at the Idaho Water Science Center (IDWSC) in Boise, Idaho.
Return of the Terns
Now that Forster’s terns have returned to nesting in Pond A16, an important nesting colony has been re-established, with hopes that this tern colony will grow in future years and help reverse the decline of the Forster’s tern population in San Francisco Bay.
Now that Forster’s terns have returned to nesting in Pond A16, an important nesting colony has been re-established, with hopes that this tern colony will grow in future years and help reverse the decline of the Forster’s tern population in San Francisco Bay.
Avalanche along ridge
Aerial photo showing fracture line of avalanche along a snow ridge line.
Aerial photo showing fracture line of avalanche along a snow ridge line.
Vegetation plot on Seward Mountain
Researchers evaluate vegetation during a Global Observation Research Initiative in Alpine (GLORIA) alpine plant survey near the summit of Seward Mountain in Glacier National Park, Montana.
Researchers evaluate vegetation during a Global Observation Research Initiative in Alpine (GLORIA) alpine plant survey near the summit of Seward Mountain in Glacier National Park, Montana.
Alpine plant survey
Three researchers on the summit of Dancing Lady Mountain set up tapes and grids to complete a Global Observation Research Initiative in Alpine Environments network (GLORIA) vegetation survey.
Three researchers on the summit of Dancing Lady Mountain set up tapes and grids to complete a Global Observation Research Initiative in Alpine Environments network (GLORIA) vegetation survey.
Rim Fire in Yosemite National Park.
Rim Fire in Yosemite National Park.
Scientists record nearshore transects in Kachemak Bay, Alaska
Scientists record nearshore transects in Kachemak Bay, AlaskaBrian Robinson (USGS) and Ben Weitzman (NOAA) record observations along nearshore transects in Kachemak Bay, Alaska. USGS is studying the migration strategies and movement ecology of Black Oystercatchers as part of the new tracking study.
Scientists record nearshore transects in Kachemak Bay, Alaska
Scientists record nearshore transects in Kachemak Bay, AlaskaBrian Robinson (USGS) and Ben Weitzman (NOAA) record observations along nearshore transects in Kachemak Bay, Alaska. USGS is studying the migration strategies and movement ecology of Black Oystercatchers as part of the new tracking study.
Dragonfly Mercury Project specimen collection in Glacier NP
Dragonfly Mercury Project specimen collection in Glacier NPResearchers instruct volunteers on how to collect dragonfly larvae in Glacier NP as a part of the Dragonfly Mercury Project.
Dragonfly Mercury Project specimen collection in Glacier NP
Dragonfly Mercury Project specimen collection in Glacier NPResearchers instruct volunteers on how to collect dragonfly larvae in Glacier NP as a part of the Dragonfly Mercury Project.