crustose


Also found in: Dictionary, Wikipedia.

crustose

[′krəs‚tōs]
(botany)
Of a lichen, forming a thin crustlike thallus which adheres closely to the substratum of rock, bark, or soil.
References in periodicals archive ?
Shepherd and Breen (1992) presumed that any predator in crustose coralline habitats that can capture small plankton (up to about 0.
Genovesa (Northern-central) was characterized primarily by crustose coralline algae.
4) in which there is an importante dominance of crustose lichens with 45 species (67%) compared to the other types of thalles.
In both assays, positive controls (pieces of the crustose coralline alga Hydrolithon boergesenii) demonstrated high settlement rates (as high as 85%), indicating that the larvae were competent and capable of settlement.
Many specimens of crustose lichens were either sterile or had immature ascospores and were not able to be identified.
Specimens of calcareous red crusts and crustose brown algae were maintained intact on their respective substrate (pebbles or cobbles).
Corticolous crustose and microfoliose lichens of northeastern Brazil.
Among bigger algal species, tough cement makers called crustose calcareous algae help hold a reef together and create ridges that withstand pounding waves.
Skeletal grains are formed as internal or external skeletal units of marine organisms, including crustose and articulate corallines, mollusc shells, forams, gastropods, algae, and echinoid fragments.
Rugosity, crustose algae, fleshy alga and zoanthids cover were the main factors associated to the distribution (richness and abundance) of the species present in the reef habitat.
Pool substrates often consist of sand and gravel and pool walls are characteristically irregular, almost vertical, and are covered by algal turf, soft macro-algae, crustose coralline algae, encrusting soft-coral, and a few stony corals.