blue-green algae


Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to blue-green algae: spirulina, cyanobacteria

blue-green algae

pl n
(Microbiology) the former name for cyanobacteria

blue′-green` al′gae


n.pl.
any of various groups of prokaryotic microorganisms of the phylum Cyanophyta, containing chlorophyll and a blue pigment. Also called cyanobacteria.
[1895–1900]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.blue-green algae - predominantly photosynthetic prokaryotic organisms containing a blue pigment in addition to chlorophyllblue-green algae - predominantly photosynthetic prokaryotic organisms containing a blue pigment in addition to chlorophyll; occur singly or in colonies in diverse habitats; important as phytoplankton
eubacteria, eubacterium, true bacteria - a large group of bacteria having rigid cell walls; motile types have flagella
class Cyanobacteria, class Cyanophyceae, Cyanophyceae - photosynthetic bacteria found in fresh and salt water, having chlorophyll a and phycobilins; once thought to be algae: blue-green algae
nostoc - found in moist places as rounded jellylike colonies
trichodesmium - large colonial bacterium common in tropical open-ocean waters; important in carbon and nitrogen fixation
References in periodicals archive ?
The basis for the government's concern is that blue-green algae can be contaminated with toxins known as microcystins.
Scientists have long speculated this information could be used to assess the kinds of algae in a pond - particularly the blue-green algae associated with off-flavors.
Blue-green algae is naturally occurring in fresh water but the increased levels of blue-green algae we are seeing may be due to cool nights and bright sunny days.
The Environment Agency have informed us that a water sample taken from Calderstones Park Lake for analysis has confirmed the presence of a bloom of the potentially toxic blue-green algae (cyanobacteria) in the water.
The presence of blue-green algae is common at this time of year with warm water temperatures and stable sunny conditions.
Similar warnings are still in force at Llyn Cefni reservoir near Llangefni and Llyn Coron in Bodorgan, owned by Bodorgan Estates, after blue-green algae was found last month.
Adam Cooper, of EAW, said: "We are looking into the cause of this blue-green algae in the pond.
An overview of problems caused by toxic blue-green algae (cyanobacteria) in drinking and recreational water.
It should be noted, however, that it is by no means certain that this, in itself, will prevent blue-green algae which can be introduced into the lake in a variety of ways.
Water monitoring has confirmed the presence of blue-green algae that can produce toxins, state public health division officials said.
Goulburn-Murray Water (GMW) is warning the public to avoid direct contact with water in Lnecoorie Reservoir after monitoring detected high levels of blue-green algae.
The blue-green algae (cyanobacteria) was found at both Llyn Cefni Reservoir, Llangefni, and Llyn Coron, Bodorgan.