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Fremantle Port Inner Harbour and Channel ... - Fremantle Ports

Fremantle Port Inner Harbour and Channel ... - Fremantle Ports

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Appendix 1: Video analysis biological community classification schemeBiota classes Morphological groups Definitions <strong>and</strong> examplesOther biotaRecorded forMicrophytobenthos (MPB) Thin film layer (low, medium, high)presence/absence only Crustose coralline algae (CCA) Encrusting algaeTurfing algaeHair-like algae 20 mmSeagrassSeparated into genus or speciesMacroalgae Small algae Macroalgae 20 mm to 20 cmMembrane, thin sheets Padina spp., Lobophora spp.Foliaceous, bushyCaulerpa spp.Lobed, flattened <strong>and</strong> rounded Halimeda spp.Fleshy or ball-likeCodium spp.Canopy algaeMacroalgae >20 cmFlatEcklonia radiataBranchingCystophora spp., Sargassum spp., other fucoidsHard Coral Branching At least 20 branching (e.g. Seriatopora hystrix)DigitateLess than 20 branching (e.g. Acroporid digitifera)TabularHorizontal flattened plates (e.g. Acroporid hyacinthus)EncrustingMajor portion attached to substrate as a laminar plate (e.g. Poritid vaughani)FolioseCoral attached at one or more points, leaf-like appearance e.g. Turbinaria spp.)MassiveSolid boulder or mound (e.g. Favites spp.)SubmassiveTends to small columns, knobs or wedgesSoft Coral (BPP)Photosynthetic soft corals (BPP)Filter feedersAhermatypic animals (not defined as BPP)Soft Coral (non-BPP)Non-photosynthetic soft coralsSpongesCan note morphological groupsAscidiansStalked, encrusting, solitaryHydroidsSea whipsGorgonian fansSea pensBryozoanFoliose, stalkedAnemonesTube, solitaryPolychaetesPercent coverCover valueDecision rulesclasses>80% 90 no substrate visible60–80% 70 some substrate is visible40–60% 50 substrate is clearly visible but biota dominates the image frame20–40% 30 substrate dominates most of the image frame10–20% 15 substrate dominates most of the image frame5–10% 7.5 substrate dominates most of the image frame1–5% 3 trace densities0–1% 0.5 no significant macro-biota12 of 13

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