Phytooecological Studies on the Maritime Vegetation on the Seashore of Taito, Chiba Prefecture

Abstract

These studies were conducted on the sandy seashore of Taito, Chiba Prefecture. We found that the soils there covered with vegetation usually had a very low salt content, namely, 0.003-0.006 per cent NaCl by weight referred to the dry weight of the soil. An exception, however, was found in a community of Carex Kobomugi OHWI, the soil of which contained 0.099 per cent NaCl and 0.015 per cent Na₂SO₄. The soils are strongly alkaline; the pH values as usually found in soils covered with vegetation being between 7.4 and 8.8. The lowest pH value (7.4) was found in vegetation 70 meters and more distant from the shore.