marine geography: resources to bridge secondary and higher
TRANSCRIPT
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Marine Geography: resources to bridge
secondary and higher geography
Dr Rupert Perkins, Senior Lecturer in Marine Biosciences
Degree Scheme Director and Admissions Officer
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What is Marine Geography?
A blend of human and physical geography in the coastal
and offshore marine systems.
Covering marine biology, fisheries, conservation, offshore
energy, renewable energy, ports and shipping,
geomorphology, geology, coastal processes, hydrographic
survey, mapping and charts, meteorology, climate and
climate change, sustainability, food supply and logistics,
water supply, environmental pollution, hazards and risk,
coastal management, marine governance, environmental
law......
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Earth and Planetary System Science 20 70:30
The Sedimentary System Science 10 100:0
Dangerous Earth 10 100:0
Skills and Methods in Earth Sciences 10 70:30
Natural Resources and Energy 10 70:30
Formation of the British Isles 10 70:30
Geoinformatics 10 0:100
Charts and Hydrography 10 50:50
Environmental Chemistry and Biology 10 70:30
The Development of the World Ocean 10 50:50
Field Course 10 0:100
Year 1 Marine Geography and
MESci Marine Geography
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Geographical Research Methods
and Field Skills
20 Marine Geography Dissertation 30
Marine Geography Fieldwork
project
10 Final Year Field Course 10
Coastal Processes 10 Applications of Marine Science 10
Coastal Hydrography 20 Marine Conservation Science 10
Marine Ecosystems 10 Global Climate Change 20
Applied GIS 10 Marine Geomatics 20
Ocean Atmosphere Systems 20 Ocean Management 20
Environmental Pollution 10 Integrated Coastal Management 10
Marine and Coastal Resource
Development
10 Water Resources 10
Environmental law 10
Environmental Management and Policy 10
Years 2 and 3 Marine
Geography
(Similar for MESci pathway, but extra modules in year 3 and year 4 with MESci modules and
Masters Dissertation)
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Bridging the gap
1. Boat work – coastal survey, human and physical
geography blend
2. Overseas placements for A2 level students
3. Workshops, case studies, lecture series, distance
learning
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Placements for A2 level
students to Greece
www.archipelago.gr
Archipelagos, Samos and
Lipsi, Aegean, Greece
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Ocean acidification: good bye coral reefs?
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Ocean Acidification: the other CO2 problem!
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An experiment for visualising ocean
acidification
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Zooanthellae
CO2 from
metabolism
Active Calcium
transport
Calcium from sea water in coelenteron
Bicarbonate Ca2+
Calcium carbonate
Carbonic acid and
calcium carbonate
(PPT)
Bicarbonate
converted to
CO2
Calicoblastis
gastrodermis
Calicoblastis
epidermis
Mucopoly-
saccharide in
organic membrane
Calcification processes in a scleractinic reef building coral
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Measured biogenic calcification responses to increased pCO2.
Stylophora pistillata −14 −20 Gattuso et al., 1998
S. pistillata 0 to −50 Reynaud et al., 2003
Acropora cervicornis −40 −59 Renegar and Riegl, 2005
Acropora eurystoma −38 −56 Schneider and Erez, 2006
Acropora verweyi −12 −18 Marubini et al., 2003
P. compressa + Montipora capitata −40 −59 Langdon and Atkinson,2005
Porites compressa −17 −25 Marubini et al., 2001
P. lutea −38 −56 Ohde and Hossain, 2004
P. porites - 16 Marubini and Thake, 1999
Pavona cactus −14 −20 Marubini et al., 2003
Galaxea fascicularis −12 −18 Marubini et al., 2003
G. fascicularis −56 −83 Marshall and Clode, 2002
Turbinaria reniformis −9 −13 Marubini et al., 2003
Useful references: -
http://www.annualreviews.org/doi/pdf/10.1146/annurev.marine.010908.163834
Anthony et al. 2008. Ocean acidification causes bleaching and productivity loss in coral reef builders
PNAS 105 no. 45 17442-17446
Open access journal at: http://www.pnas.org/content/105/45/17442.full
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An issue of geography: location,
climate, resource, socioeconomics,
lifestyle, tourism....
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Dependence on reefs is proportional to poverty level
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Coastal Erosion – Diatoms play at King Canute
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Coastal erosion costs millions and with IPCC predictions
for sea level rise, things can only get worse
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Problem – coastal defence can cost more than the value of
the land being saved as has a finite life span
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Work with nature –
Managed
Realignment
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LTSEM of a
biofilm
Pleurosigma angulatum
So how do Diatoms help?
Migration – Extracellular Polymers – Biofilm -
Biostabilisation
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This is where I would do a demo
but I didnt want to get arrested at
the airport!
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Water Content (% w/w)
45 50 55 60 65 70 75 80
CS
M je
t p
ressu
re (
PS
I)
0
20
40
60
80
100
r = 0.90, p < 0.05
r = 0.60, p < 0.05
Erosion threshold as a function of water content
and polymer
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Conclusion: The succession of natural sea defence starts
with the microalage and biogenic polymers –
Biostabilisation. A crucial Ecosystem Service of Diatoms
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Medmerry, West Sussex.
Abbotts Hall Farm,
Blackwater estuary, Essex –
Environment Agency – “it
has been a huge success,
particularly in mitigating the
flood risk further up the river
in populated areas.”
"It's a really great site to take
the pressure out of the tide.
On big surge tides it is not
going up and overtopping
other defences," she said.
BBC News, Nov, 2013