Chlorphyta - Green Algae
Marine species are an important and diverse component
of most shallow (to 200 m) bottoms. The intertidal and intermediate subtidal
zones harbour the most luxuriant growth as well as the greatest number
of species. Many species are found adjacent in the same habitat. whereas
others from distinct bands according to depth, or grow on each other (epiphytic)
or on the shells or exoskeletons of marinbe animals (epizoic). Endolithic
species are embedded in the surface of rocks, or form bands in the periphery
of coral skeletons.
Little is known regarding the periodicity or seasonality
of most algae in Bermuda; it is quite clear, however, that local and seasonal
variations exist. A major factor determining the presence and condition
of algae in Bermuda is the grazing by various herbivorous feeders, particularly
sea urchins and fishes. Distinct cropping of algal stands is evident several
times during the year.
Both sexual and asexual reproduction are common.