b. what types of approaches are best suited to such question
there are a limited number of approaches and scales to sampling seagrass beds, since habitats are usually sub-tidal and extend beyond the range of SCUBA.
sampling approaches range from simple collections along the drift line of beaches to SCUBA collections at specifically assigned plos, video recording along permanent transects ann satellite imaging table 4-2 links four major sampling approaches with chapter location further describing these collections.
the remainder of this chapter will focus on sampling designs and issues that are most clearly associated with underwater surveys designed to address management inquiries.
however, the points can be adapted and applied to approaches listed under science inquiries in table 4-1.