Environmental factors influencing distribution and morphology of rhodoliths in Bahia Concepcion, B.C.S., Mexico

Steller, D. L., & Foster, M. S. (1995). Environmental factors influencing distribution and morphology of rhodoliths in Bahia Concepcion, B.C.S., Mexico. Journal of Experimental Marine Biology and Ecology, 194(2), 201-212.
Metadata
TitleEnvironmental factors influencing distribution and morphology of rhodoliths in Bahia Concepcion, B.C.S., Mexico
AuthorsD. Steller, M. Foster
AbstractAerial and SCUBA diving observations revealed numerous, dense concentrations of free living, branched, nongeniculate coralline algae (rhodoliths) at depths of 3–12 m in Bahía Concepción, B.C.S., México. Plants were up to 10 cm in size, and commonly occurred at high densities forming a near continuous layer overlying a mixture of calcareous fragments and sediment. In contrast to other geographic regions, rhodolith shape remained spherical along depth-related gradients of water motion and sedimentation. Branch density and size, however, generally decreased with increasing depth. Surveys, as well as transplant and movement experiments, suggested that broad scale (east vs. west shore) and depth distribution of rhodolith beds within the bay are controlled by water motion and sedimentation. Additional experimental and taxonomic studies are needed to understand the smaller scale distribution patterns, and among and within bed variation in plant size and branch density. Such studies will allow a more rigorous interpretation of paleoenvironments based on the morphology of fossil rhodoliths.
JournalJournal of Experimental Marine Biology and Ecology
Date1995
Volume194
Issue2
Start page201
End page212

Bookmark

Bookmarks: