Cyanobacteria on a eutrophic lake shore

Cyanobacteria on a eutrophic lake shore

C028/6577 Rights Managed

Request low-res file

530 pixels on longest edge, unwatermarked

Request/Download high-res file

Uncompressed file size: 51.7MB

Downloadable file size: 4.9MB

Price image Pricing

Please login to use the price calculator


Credit: DR JEREMY BURGESS/SCIENCE PHOTO LIBRARY

Caption: Cyanobacteria (blue-green algae) at the edge of a eutrophic lake. The picture shows a bloom of cyanobacteria, appearing as a green granular scum on the surface of the water at the shoreline.Lines within the scum suggest it is filamentous, but are caused by wind and wave action.Cyanobacteria are simple prokaryotic organisms lacking a cell nucleus, and are not correctly named algae. Many genera of cyanobacteria produce toxins which can affect the nerves, skin and liver of humans. The most commonly encountered freshwater genus is Microcystis; It produces a hepatotoxins called microcystins, which are cyclic peptides. Blooms occur after periods of hot weather, and are associated with eutrophication - an increase in nutrient levels in the water caused by factors such as pollution from wastewater, agricultural run-off, or large water bird populations

Release details: Model release not required. Property release not required.

Keywords: algal bloom, blue-green algae, cyanobacteria, cyclic peptide, eutrophic, eutrophication, hepatotoxin, microcystin, microcystis, prokaryote, toxin, water pollution

Licence fees: A licence fee will be charged for any media (low or high resolution) used in your project.