TOOL FOR PREVENTING FEEDING DAMAGE ON MARINE ALGAE, AND CONCRETE BLOCK WITH FEEDING DAMAGE-PREVENTING FUNCTION ON MARINE ALGAE

PROBLEM TO BE SOLVED: To provide a tool for preventing feeding damage on marine algae capable of constructing seaweed beds in an early period by defending the growing points of the marine algae from the feeding by vegetable eating fish by an economical method in a good efficiency, and concrete block...

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Bibliographic Details
Main Authors SHIBATA SANAE, YAMAMOTO MASAHITO, AOTA TORU
Format Patent
LanguageEnglish
Published 20.10.2011
Subjects
AGRICULTURE
ANIMAL HUSBANDRY
APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUSPLANTS
CATCHING, TRAPPING OR SCARING OF ANIMALS
CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPSOR SEAWEED
FISHING
FORESTRY
HORTICULTURE
HUMAN NECESSITIES
HUNTING
TRAPPING
WATERING
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Summary:PROBLEM TO BE SOLVED: To provide a tool for preventing feeding damage on marine algae capable of constructing seaweed beds in an early period by defending the growing points of the marine algae from the feeding by vegetable eating fish by an economical method in a good efficiency, and concrete blocks with a feeding-preventing function on the sea algae.SOLUTION: This tool for preventing the feeding damage on marine algae is configured to include a central shaft part 2 and a plurality pieces of protruding parts 3, and the protruding parts 3 are constituted so that each of adjacent protruding parts 3 protrudes with each other radially from the central shaft part 2 by taking an angle interval of 45 to 120° around the longitudinal axial line C of the central shaft part 2, and also protrudes within a range of 45 to 135° toward the longitudinal axial line C of the central shaft part 2.
Bibliography:Application Number: JP20100076486