Skip to main content
Email Print Share

All Images


Press Release 11-109

River Mystery Solved

Scientists discover how "Didymo" algae bloom in pristine waters with few nutrients

Back to article | Note about images

Photo of Rapid Creek, S.D.

Didymo is present at many points along Rapid Creek, S.D., and in pristine streams and rivers worldwide.

Credit: P. V. Sundareshwar


Download the high-resolution JPG version of the image. (2.3 MB)

Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.

Photo of streambed of Rapid Creek, S.D., covered with algal mats.

Streambed of Rapid Creek, S.D., covered with Didymo mats (brown) and other algae (green).

Credit: P. V. Sundareshwar


Download the high-resolution JPG version of the image. (7.8 MB)

Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.

Photo of scientist P.V. Sundareshwar on right and colleague examining Didymo.

Scientist P.V. Sundareshwar (right) and colleague get to know Didymo up close and personal.

Credit: Christie Sandvik


Download the high-resolution JPG version of the image. (4 MB)

Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.

Photo of a rock from the bottom of Rapid Creek covered with mats of Didymo.

A rock from the bottom of Rapid Creek, covered with mats of Didymo.

Credit: Christine Sandvik


Download the high-resolution JPG version of the image. (4.1 MB)

Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.

Photo of P.V. Sundareshwar with co-authors Berdanier and Honomichl analyzing water quality.

P.V. Sundareshwar, with paper co-authors Berdanier and Honomichl, analyzing water quality.

Credit: Karen Updegraff


Download the high-resolution JPG version of the image. (2.3 MB)

Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.

Photo of unpolluted river in Chilean Patagonia that has been invaded by Didymo.

Unpolluted river in Chilean Patagonia, among many such rivers invaded by Didymo.

Credit: P. V. Sundareshwar


Download the high-resolution JPG version of the image. (4.1 MB)

Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.