BIODEGRADABLE EELGRASS NURSERY BED SHEET AND METHOD OF RESTORATION, RECLAMATION AND MAINTENANCE OF EELGRASS BED

摘要

PROBLEM TO BE SOLVED: To provide a biodegradable eelgrass nursery bed sheet capable of easily and surely performing the restoration, reclamation and maintenance of an eelgrass bed.;SOLUTION: This biodegradable eelgrass nursery bed sheet is provided by forming a sheet having 40 mm thickness by thermally bonding mixed fibers consisting of 80 % polylactic acid fibers and 20 % bamboo fibers, seeding 50 pieces of eelgrass seeds collected at a natural eelgrass bed at 1.5 m depth of Kotsubo seashore of Zushi city of Kanagawa prefecture, culturing/growing the seedlings in an aquarium by overflowing sea water at ≥20°C water temperature to become 15 to 20 cm which is a transplanting size, cutting the sheet having 1,500 to 1,600 pieces/m² seedlings becoming the transplanting size by a prescribed size, laying them to meet with the unevenness of the sea bottom consisting of silt and mud in the above shallow sea area and fixing them with bamboo skewers.;COPYRIGHT: (C)2008,JPO&INPIT