Swell
a long, often massive and crestless wave or succession of waves generated by weather events such as storms, and often continuing beyond or after the initial cause (M1)
Substratum
the base on which an organism lives (M5)
Sustainable yield
using resources in a way that can be maintained over time; taking animals at a time and in a way that enables their populations to maintain themselves over time (M5)
Significant
in statistics, refers to differences that are unlikely to occur based on chance alone (M5)
Sedimentation
the process of forming or depositing sediment, often caused by soil being eroded and washed into the ocean (C4, M4)
Secondary consumers
carnivores; animals that eat primary consumers and comprise the third trophic level in marine food webs (M2)
Reference course
an ideal course based on average wind and current conditions, charted before beginning a voyage in a traditional Hawaiian canoe or another vessels (M1)
Primary producers
the plants that form the first trophic level in marine food webs (M2)
Primary consumers
herbivores; animals that eat algae and comprise the second trophic level in marine food webs (M2)