Block and a riparian improvement structure inhabitable for aquatic life

Abstract

The riparian improvement structure for use upon riparian protection, shore and bank protection, wave control, water control, etc. of a river, lake, sea, etc. is composed of a plurality of blocks and a structural body or bodies composed of a plurality of wooden materials or mass materials. The riparian improvement structure also provides an environment suitable for the habitation of aquatic life such as fish, crustaceans, e.g., crabs, shrimps, aquatic insects, etc., and for the growth of aquatic plants, etc. The blocks are each provided with a water passage, such as a through-hole formed therein or a plurality of grooves formed on the bottom thereof, through which fresh water can flow, when they are disposed on the structural body or bodies or on a riparian area such as a river-bed, shore, bank, bottom, etc. of a river, lake, sea, etc. The blocks are disposed for fresh water to flow through the water passage and to be supplied to the structural body or bodies inhabitable for aquatic life. The blocks are further disposed in a relationship spaced away from each other forming a space therebetween and the space is also useful for the supply of a fresh water to the structural body or bodies.

Dependencies are inferred from the claim text.