Stem girls lab

• 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