Non-destructive Biodiversity Monitoring of Marine Protected Areas
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Transcript of Non-destructive Biodiversity Monitoring of Marine Protected Areas
Non-destructive Biodiversity Monitoring of Marine Protected Areas A flying array using High Definition Video
Prof Martin J AttrillDirector, Plymouth University Marine Institute, [email protected]@mjattrill
Marine Protected Area implementation in UK waters
127 Marine ConservationZones: England(2009 Marine Act)
Designated 2013On Hold for further evidence
108 Special Areas of Conservation (EU Habitats Directive)
20 miles
Lyme Bay
MPA implementation in UK waters: Lyme Bay 2008
• First large MPA in UK was 200 km2 Lyme Bay closure to mobile gear
• Protect reef features from trawling and scallop dredging
• We developed methodology for monitoring seabed change in this (and other) MPAs
• Data since 2008
• Towed behind fishing vessel at 0.5 kt
• Maintains itself just above seabed: drag chain
• HD video camera, lights and scaling lasers
• 200 m transects (large organisms)
• Analyse whole transect or random frame grabs (detailed community analysis)
Plymouth University Marine Institute Flying Array
Example of HD resolution video stills grab from marine organisms
ID organisms on Davy Jones’s Hat
PUMI Flying Array: value of HD video
PUMI Flying Array: Operation
• Video clip 1 here
PUMI Flying Array: Operation
PUMI Flying Array: Example Results
Abun
danc
e
Species Richness: Frame grabs
MPA
Outside
MPA
Outside
• Deploy HD video cameras on frames to seabed
• 3 BRUV cameras per site• Bait (mackerel) in baitbox• Film after settling for 30
mins• Record all organisms
seen – use maximum abundance
Enumerating Mobile Organisms: Baited Remote Underwater Video
• Video clip 2 here
Enumerating Mobile Organisms: Baited Remote Underwater Video
• Non-destructive: vital in Marine Sanctuaries• Cost-effective: cover far more ground than divers• Deployable from small boats (fishing vessel)• Samples form library so can always be reanalysed• We’ve deployed down to 60m, in rocky areas and
high tidal stream site• Technology taken up by institutions in UK and France
PUMI Flying Array: summary
C4 Hugh’s Fish Fight
Dr Emma Sheehan
Plymouth University Marine Institute Flying Array
2010