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Dominance (ecology)
Ecological
dominance
is the
degree
to which a
taxon
is more
numerous
than its
competitors
in an
ecological community
, or makes up more of the
biomass
.
Most
ecological communities
are defined by their
dominant
species
.
In many examples of
wet woodland
in
western Europe
, the dominant tree is
alder
.
In
temperate
bogs
, the dominant
vegetation
is usually species of
Sphagnum
moss.
Tidal
swamps
in
the tropics
are usually dominated by species of mangrove
Some
sea floor
communities
are dominated by
brittle stars
.
Exposed
rocky
shorelines are dominated by
sessile
organisms such as
barnacles
and limpets.