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Coral and fish biodiversity
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Record presence -
absence (corals) and semi-qualitative abundance (fish) for all species
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Timed swims by experts
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Line
intercept transects for coral and benthos
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Records of distance
since interception, percent cover
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4 x 50m line, life form,
genera and target species level of identification
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Belt
transects for invertebrates
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Counts of target
invertebrates
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4 x 50m line, 5m width,
target species identification
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Belt
transects for fish (ID, size and abundance)
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Fish counts,
commercially important species, size estimation
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4 x 50m line; length -
biomass conversion
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Algae
density
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Percent cover and
semi-quantitative abundance for major species
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Algae quadrats (25 x 25
cm)
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Macrofauna time swims
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Counts of sharks, rays,
napoleon wrasses, giant groupers, tunas off transects, size estimation
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30' time swims
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Reef health transects
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Counts of Acanthaster
planci, (Crown- of- thorns starfish), Drupella sp., dead coral and
bleached and diseased coral
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4 x 50m line, target
species level of identification
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Reef Check
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Global volunteer reef
health assessment scheme (www.reefcheck.org)
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Low detail assessment,
ideal for community participation and training. Details see website.
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Sites connectivity
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Target species of
damselfish
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Genetic analysis of
different populations of a species from different areas and atolls
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