Science / Marine Biology / Invasive Species: An introduced species that out-competes native species for space and resources. Scotch Broom is an invasive species that out-competes local vegetation and results in a monoculture, and hence a decrease in local diversity. See also introduced species, native species.
Science / Marine Biology / Native Species: A species that occurs naturally in an area (i.e. Is not introduced). Compare introduced species, invasive species. MORE
Science / Marine Biology / Introduced Species: An organism that has been brought into an area, usually by humans, where it does not normally occur. Introduced species often compete with and cause problems for native species. Introduced species are MORE
Science / Biology / Species Richness: The number of species present in a community. MORE
Science / Biology / Species Packing: The phenomenon in which present-day communities generally contain more species than earlier communities because organisms have evolved more adaptations over time. MORE
Science / Tides and Currents / Species Of Constituent: A classification depending upon the period of a constituent. The principal species are semidiurnal, diurnal, and long-period. MORE