For more info check: https://algaewales.wordpress.com/2016/05/23/915/ STEM girls outreach activity: slides prepared by Maria Scolamacchia, Fleuriane Fernandes and Dr Sara Barrento Venue: Swansea University

2. • biofuels
• additive in the food industry
non motile
green
Nannochloropsis oculata

3. Porphyridium purpureum
http://alguard.frutarom.com
• skin healing products
(exopolysaccharides)
• dyes (Phycoerythrin)
non motile
red
viscous

4. Porphyra
spp
• Laver Bread or Welsh
caviar
• Red Seaweed
Eucheuma
cottoni
Saccharina
latissima
Sugar kelp
Green Seaweeds Brown Seaweeds Red
Seaweeds
Palmaria
palmata

5. Seaweed Farm in Pembroke Dock
Pembrokeshire
Seaweed Farm
Location
Seaweed Farm
Location
Seaweed Farm
Location

6. 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

7. 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

8. • easy to maintain (yeast and a boost of algae)
robust (tolerant to environmental changes)
slow movements in the water
Brachionus plicatilis

9. 9
Picture by Dr Sara Barrento
Salt lake 4000 m altitude
Atacama Desert, Chile
Artemia

10. Artemia
crustacean
filter feeder
Flamingos
bird
predator and
agents of dispersionDunaliella
microalgae
Halobacterium
bacteria
10
Picture by Dr Sara Barrento

11. Adults
11
Picture by Dr Sara Barrento

12. Artemia videos
https://www.youtube.com/w
atch?v=u1Jn_QlU-KY
https://www.youtube.com/w
atch?v=2cgRJAfKXy0

13. 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

14. Brine shrimp breeding
ponds in San Francisco Bay
14

16. 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