A "red tide" is a common term used for a harmful algal bloom.
Harmful algal blooms, or HABs, occur when colonies of algae — simple ocean plants that live...
Coral reefLast Updated on 2012-10-06 at 16:41
Coral reef generally refers to a marine ecosystem in which the principal organisms are corals that harbour algal symbionts within their tissues. These... More »
Tropical coral reefs and environmental stressLast Updated on 2012-09-01 at 12:51
Corals that host fewer species of algae appear less sensitive to disturbances. The following article is part ten in a series on the National Science Foundation's Long-Term... More »
What is a lichen?Last Updated on 2012-07-29 at 15:14
A lichen is a complex life form that is a symbiotic partnership of two separate organisms, a fungus and an alga. The dominant partner is the fungus, which... More »
Marine coralline algaeLast Updated on 2011-11-13 at 11:12
Marine coralline algae are calcifying red algae, which have a hard skeleton resulting from the precipitation of calcium carbonate within their cell walls. Coralline algae are... More »
Algae Might Replace Some U.S. Oil ImportsLast Updated on 2011-10-13 at 11:12?Main Image: A June 2010 photo shows raceway ponds in Southern California was taken by the QuickBird satellite. A PNNL study shows that 17 percent of the United States’... More »
SymbiosisLast Updated on 2011-08-25 at 15:52Symbiosis describes close and often long-term interactions between two or more different organisms. The definition of symbiosis has been applied to a wide range of biological... More »