“…Laboratory experiments have shown that macrophytic angiosperm production decreases as salinity increases (Kaushik, 1963;Gosselink, 1970;Palmisano, 1970;Macke and Ungar, 1971;Mayer and Low, 1971;Phleger, 1971). Phleger (1971) found that the California cordgrass, Spartina foliosa, grew best when cultivated in a freshwater nutrient solution which is in agreement with what Adams (1963) found for J3.…”