Monostroma cultivation

Monostroma nitidum (Hitoegusa)

Monostroma proccesing (nori-

tukudani)

Production of Monostroma

Japan: 3,000 ton (dry) for food

Subject

1. Cultivation technology is completed

2. Stable Drying fronds in outdoors by

sun lightproduction

Seasonal cycle of Monostroma cultivation

Zygote seeding

Spore releasing

Zoospore

Spore releasing

Zygote culture in the tank in summer season

Zoosporangia and plastic settlement boards

with attached zygotes

Seeding nets attached zoospores kept for

one night

Monostroma cultivation by pole system in

brackish waters of the river

Young stage of Monostroma growing

Adult stage of growing

Mature of growing

Harvesting fronds by hand during low tide

Drying fronds in outdoors by sun light

Enteromorpha cultivation

Drying Enteromorpha fronds

Aonori in Japanese

Enteromorpha powder :

used traditional cakes

Green Seaweed powder

Produvtion of Enteromorpha

Japan: 500 ton (dry) for food

Korea: 1,000 ton (dry) for food

China: no data (more than 1,000 ton)

Subject:

1. Cultivation technology incompleted

2. Improvement in the quality

Havesting of nature fronds in the river

Harvesting tool

Drying of fronds

Products of natural fronds

Enteromorpha prolifera fronds cultivated

Natural seeding of Enteromorpha cultivation

Transplanting stage of cultivation nets

Cultivation ground in the river

Floating of Enteromorpha cultivation in Yoshino River

Harvesting of Enteromorpha fronds cultivated by

floating system in the brackish waters, Yoshino River

Harvesting by machine

Washing

Drying

Bid of cultivated Enteromorpha products

Crushed machine for Enteromorpha powder

Harvested Ulva products

Ulva ohnoi Hiraoka&Shimada, Aosa Japanese

Floating Ulva bed

Floating fronds

Harvesting tool for Uvla fronds

Ulva processing factory

Collecting Ulva fronds at the processing factory

Processing Ulva fronds

Washing and dehydration

Removal of stone and others

Powder of Ulva fronds

Ulva powder products (Aonori in Japanese)