Water is a major concern, as is the use of nitrogen fertilizers to stimulate growth of cyanobacteria and microalgae — two microorganisms typically lumped
together as algae biofuels.
Not exact matches
Now, the robot's first findings are already helping scientists piece
together more of this previously hidden under - ice food web, including more evidence of the under - ice
algae,
as well
as tiny copepods, ctenophores (jellyfish), predatory marine worms called arrow worms, and abundant amounts of large floating slime balls, known to scientists
as larvaceans.
The insect also likes a party: In late winter or early spring, these bugs sometimes form huge colonies,
as wide
as a yard, with millions of individuals migrating
together like a superorganism, devouring the
algae that grow on wet, decomposing leaf litter in the melting snow, Schulz explains.
«What we think of
as coral are really the animal host, symbiotic
algae and symbiotic microbes all living
together.
(Sometimes known
as blue - green
algae or blue - green bacteria, these microorganisms were grouped
together with
algae until just a few years ago.)
«But the picture for coral reefs
as a whole isn't quite so straightforward,
as the «glue» that holds coral reefs
together — coralline
algae — appear to be vulnerable to rising acidity,» Professor McCulloch explains.
At least one variety — which plays a critical role in reef systems by acting
as the «glue» that binds them
together — known
as coralline
algae, lacks the resistance.