Reef bioregion: RF1 Northern Open Lagoon Reefs RF1

Bioregion Description Small islands and low vegetated isles with fringing reefs. Muddy influence from wet tropical rivers. Distinct in terms of reef size and assemblages (soft coral, fish and algae).

Existing zoning within bioregion (as % of total bioregion area) Bioregion area 131 km2 Marine National Park 'B' / National Park * Dark Green 7 % Proportion of the GBRMP <1 % Buffer Light Green 1 % Marine National Park 'A' / Conservation Park Yellow 13 % No-take Zone statistics General Use 'B' / Habitat Protection Dark Blue 66 % Area of no-take zone(s) 9 km2 General Use 'A' / General Use Light Blue 3 % Percent of bioregion 7 % Unzoned 1 % Number of no-take zones 13 Island 9 % * No-take zones

Reef size distribution Area exposed to flooding events 1994 - 98 Number of reefs 73 No recorded event 90 % Reef sizes Smallest <1 km2 1, 2 or 3 events 5 % Largest 16 km2 6 or 7 events 4 % Average 2 km2 4 or 5 events 1 %

Reef Geomorphology Planar reef 55 % Submerged reef 23 % Fringing reef 11 % Reef patch 6 % Crescentic reef 4 % Incipient fringing reef 1 %

Biological - this bioregion is known to contain samples of these biological assemblages and/or habitats Turtle nesting sites Dugong habitats Turtle foraging sites area

Interim biophysically special/unique sites Howick Group Hinchinbrook Region Coastal: Starcke River Region from Ninian Bay to Lookout Point Brook Islands & Reefs: North, Tween, Middle, South Island

This bioregion information sheet shows some of the information we have about bioregion RF1 The content may change as we learn more about this bioregion, its neighbours, and the biodiversity and other values within it. If you have any information relevant to this or other bioregions, or if you believe that our information needs revising, we would like to hear from you. GBRMPA can be contacted on 07 4750 0700. Updated: Tuesday, 23 July 2002 S"% S"% WARNING: Data shown on the map may change over t ime. Ninia n Munro Reef Persons who use this map or the information it contains as the Bay basis for investment or other actions or decisions do so at their CAPE Ú own risk. The map is indicative only and does not purport t o alter existing rights or interests. HOWICK GROUP NP S"%S"% S"OÚ RF1 Ú MELVILLE NP TURT LE ÚLIZARDÚ ISLAND NP GRO UP NP DRAFT Lookout Point Munburra Ú Resources Reserve

LAKEFIELD NP

RF1

Cooktown

HOPE ISLANDS NP

CEDAR BAY N P

DAINTR EE NP

RF1

Low Island

Port Douglas Ú

GREEN ISLAND NP

FITZROY ISL AND NP

S"O

WOOROONOORAN NP

Innisfail RF1

Tully FAMILY ISLANDS NP

ÚBrook Islands and Reef s "SI LUMHOLTZ NP HINC HINB ROOK ISL AND NP Ú S"%

10-392 Bioregion RF1 Reef edge or shoal edge CORAL Existing no-take zone Re ef shoal N SEA National Park (State) Ri ve r 20 0 20 40

Ú Interim biophysically special/unique sites GBRMP boundary Ki l ometre s S"I Dugong Protection Area GBRMP Section boundary S"O Turtle nesting site Built-up area S"% Turtle foraging area Map P roduced: 13 May 2002 Datum: GDA94 Projection: Albers ICA Map number 020431