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• biofuels
• additive in the food industry
non motile
green
Nannochloropsis oculata
Porphyridium purpureum
http://alguard.frutarom.com
• skin healing products
(exopolysaccharides)
• dyes (Phycoerythrin)
non motile
red
viscous
Porphyra spp
• Laver Bread or Welsh caviar
• Red Seaweed
Eucheuma cottoni
Saccharina latissima Sugar kelp
Green Seaweeds Brown Seaweeds Red Seaweeds
Palmaria palmata Dulse
Seaweed Farm in Pembroke Dock Pembrokeshire
Seaweed Farm Location
Seaweed Farm Location
Seaweed Farm Location
Seaweed Farm in Pembroke Dock Pembrokeshire
Farm preparation Tighting knot and cutting ropes
Farm installation and Seaweed deployment
Farm installed and running Since April 2016
• Total of 200 m of cultivable rope
• Expected production : 1 ton of
seaweed / year
Cosmopolitan
2000 species (mainly freshwater)
variety of sizes (100 micra - 3 mm)
swimming or sessile
Dr. Siwanowicz -
www.bc.co.uk/nature/25403198
https://www.iwu.edu/biology/faculty/wjlab.html
• easy to maintain (yeast and a boost of algae)
robust (tolerant to environmental changes)
slow movements in the water
Brachionus plicatilis
9 Picture by Dr Sara Barrento
Salt lake 4000 m altitude
Atacama Desert, Chile
Artemia
Artemia crustacean filter feeder
Flamingos bird predator and agents of dispersion Dunaliella
microalgae
Halobacterium bacteria
10 Picture by Dr Sara Barrento
Adults
11 Picture by Dr Sara Barrento
Artemia videos
https://www.youtube.com/w
atch?v=u1Jn_QlU-KY
https://www.youtube.com/w
atch?v=2cgRJAfKXy0
Ovoviviparous
animals retain eggs inside the uterus until
embryonic development is fully completed
Adaptation to changing environment
Oviparous animals lay eggs,
with little or no other embryonic development within the mother
CYSTS
http://www.leloft.co.uk/artemia.html 13
Brine shrimp breeding
ponds in San Francisco Bay
14
Mystery bug killing cockle beds
A mystery bug has killed 6,000
tonnes of cockles off Gower and threatens the future of the
industry in the Burry Inlet,
gatherers claim.
BBC 11, Jun 2008
