Abstract
Littoral and riparian zones make a typical ecotone between terrestrial and pelegial or running-water
habitats. Concerning to the characteristics and conservation of the environment of these zones, the
following subjects are outlined and discussed.
(1) The natural environment of littora lzone. (2) Vegetations in littora lzone. (3) Ecological functions
of littoral vegetations. (4) Fish habitat and littoral vegetations. (5) Avian habitat and littoral
vegetations. (6) Dragonfly habitat and littora lvegetations. (7) Food plants of lepidopteran larvae and
riparian vegetations. (8) Water-quality conservation and littoral and riparian vegetations. (9) The
waterside landscape and littora lvegetations. (10) Causes of recent destruction of littora lvegetations in
Japan. (11) Problems in the conservation of natural environment of littoral zone. (12) Restoration of
littoral vegetations.