Interim Biogeographic Regionalisation for Australia

The Interim Biogeographic Regionalisation for Australia (IBRA) is a biogeographic regionalisation of Australia developed by the Australian Government's Department of the Environment and Heritage. It was developed for use as a planning tool, for example for the establishment of a National Reserve System.

IBRA Version 6.1 regions and subregions

This is a list of region and subregions under IBRA Version 6.1. Region codes are given in parentheses.

*Australian Alps (AA)
**Australian Alps (AA1)
**Victorian Alps (AA2)
*Arnhem Coast (ARC)
**Arnhem Coast P1 (ARC1)
**Arnhem Coast P2 (ARC2)
**Arnhem Coast P3 (ARC3)
**Arnhem Coast P4 Groote (ARC4)
**Arnhem Coast P5 Wessels (ARC5)
*Arnhem Plateau (ARP)
**Arnhem Plateau P1 (ARP1)
**Arnhem Plateau P2 (ARP2)
*Avon Wheatbelt (AW)
**Avon Wheatbelt P1 (AW1)
**Avon Wheatbelt P2 (AW2)
*Brigalow Belt North (BBN)
**Townsville Plains (BBN1)
**Bogie River Hills (BBN2)
**Cape River Hills (BBN3)
**Beucazon Hills (BBN4)
**Wyarra Hills (BBN5)
**Northern Bowen Basin (BBN6)
**Belyando Downs (BBN7)
**Upper Belyando Floodout (BBN8)
**Anakie Inlier (BBN9)
**Basalt Downs (BBN10)
**Isaac - Comet Downs (BBN11)
**Nebo - Connors Ranges (BBN12)
**South Drummond Basin (BBN13)
**Marlborough Plains (BBN14)
*Brigalow Belt South (BBS)
**Claude River Downs (BBS1)
**Woorabinda (BBS2)
**Boomer Range (BBS3)
**Mount Morgan Ranges (BBS4)
**Callide Creek Downs (BBS5)
**Arcadia (BBS6)
**Dawson River Downs (BBS7)
**Banana - Auburn Ranges (BBS8)
**Buckland Basalts (BBS9)
**Carnarvon Ranges (BBS10)
**Taroom Downs (BBS11)
**Southern Downs (BBS12)
**Barakula (BBS13)
**Dulacca Downs (BBS14)
**Weribone High (BBS15)
**Tara Downs (BBS16)
**Eastern Darling Downs (BBS17)
**Inglewood Sandstones (BBS18)
**Moonie R. - Commoron Creek Floodout (BBS19)
**Moonie - Barwon Interfluve (BBS20)
**Northern Basalts (BBS21)
**Northern Outwash (BBS22)
**Pilliga Outwash (BBS23)
**Pilliga (BBS24)
**Liverpool Plains (BBS25)
**Liverpool Range (BBS26)
**Talbragar Valley (BBS27)
**Narrandool (BBS28)
*Ben Lomond (BEL)
**Ben Lomond (BEL)
*Broken Hill Complex (BHC)
**Barrier Range (BHC1)
**Mootwingee Downs (BHC2)
**Scopes Range (BHC3)
**Barrier Range Outwash (BHC4)
*Burt Plain (BRT)
**Burt Plain P1 (BRT1)
**Burt Plain P2 (BRT2)
**Burt Plain P3 (BRT3)
**Burt Plain P4 (BRT4)
*Central Arnhem (CA)
**Central Arnhem P1 (CA1)
**Central Arnhem P2 (CA2)
*Carnarvon (CAR)
**Cape Range (CAR1)
**Wooramel (CAR2)
*Channel Country (CHC)
**Toko Plains (CHC1)
**Sturt Stony Desert (CHC2)
**Goneaway Tablelands (CHC3)
**Diamantina-Eyre (CHC4)
**Cooper Plains (CHC5)
**Coongie (CHC6)
**Lake Pure (CHC7)
**Noccundra Slopes (CHC8)
**Tibooburra Downs (CHC9)
**Core Ranges (CHC10)
**Bulloo (CHC11)
**Bulloo Dunefields (CHC12)
**Central Depression (CHC13)
*Central Kimberley (CK)
**Pentecost (CK1)
**Hart (CK2)
**Mount Eliza (Kimberley, Western Australia) (CK3)
*Central Mackay Coast (CMC)
**Whitsunday (CMC1)
**Proserpine - Sarina Lowlands (CMC2)
**Clarke - Connors Ranges (CMC3)
**Byfield (CMC4)
**Manifold (CMC5)
**Debella (CMC6)
*Coolgardie (COO)
**Mardabilla (COO1)
**Southern Cross (COO2)
**Eastern Goldfield (COO3)
*Cobar Peneplain (CP)
**Boorindal Plains (CP1)
**Barnato Downs (CP2)
**Canbelego Downs (CP3)
**Nymagee (CP4)
**Lachlan Plains (CP5)
*Central Ranges (CR)
**Mann-Musgrave Block (CR1)
**Wataru (CR2)
**Everard Block (CR3)
*Cape York Peninsula (CYP)
**Coen - Yambo Inlier (CYP1)
**Starke Coastal Lowlands (CYP2)
**Cape York - Torres Strait (CYP3)
**Jardine - Pascoe Sandstones (CYP4)
**Battle Camp Sandstones (CYP5)
**Laura Lowlands (CYP6)
**Weipa Plateau (CYP7)
**(Northern) Holroyd Plain (CYP8)
**Coastal Plains (CYP9)
*Daly Basin (DAB)
**Daly Basin (DAB)
*Darwin Coastal (DAC)
**Darwin Coastal (DAC)
*Desert Uplands (DEU)
**Prairie - Torrens Creeks Alluvials (DEU1)
**Alice Tableland (DEU2)
**Cape-Campaspe Plains (DEU3)
**Jericho (DEU4)
*Dampierland (DL)
**Fitzroy Trough (DL1)
**Pindanland (DL2)
*Davenport Murchison Ranges (DMR)
**Davenport Murchison Range P1 (DMR1)
**Davenport Murchison Range P2 (DMR2)
**Davenport Murchison Range P3 (DMR3)
*Darling Riverine Plains (DRP)
**Culgoa-Bokhara (DRP1)
**Warrambool-Moonie (DRP2)
**Castlereagh-Barwon (DRP3)
**Bogan-Macquarie (DRP4)
**Louth Plains (DRP5)
**Wilcannia Plains (DRP6)
**Menindee (DRP7)
**Great Darling Anabranch (DRP8)
**Pooncarie-Darling (DRP9)
*Einasleigh Uplands (EIU)
**Georgetown - Croydon (EIU1)
**Kidston (EIU2)
**Hodgkinson Basin (EIU3)
**Broken River (EIU4)
**Undara - Toomba Basalts (EIU5)
**Herberton - Wairuna (EIU6)
*Esperance Plains (ESP)
**Fitzgerald (ESP1)
**Recherche (ESP2)
*Eyre Yorke Block (EYB)
**Southern Yorke (EYB1)
**St Vincent (EYB2)
**Eyre Hills (EYB3)
**Talia (EYB4)
**Eyre Mallee (EYB5)
*Finke (FIN)
**Finke P1 (FIN1)
**Finke P2 (FIN2)
**Tieyon, Finke P3 (FIN3)
**Pedirka (FIN4)
*Flinders Lofty Block (FLB)
**Mount Lofty Ranges (FLB1)
**Broughton (FLB2)
**Olary Spur (FLB3)
**Southern Flinders (FLB4)
**Northern Flinders (FLB5)
*Flinders (FLI)
**Wilsons Promontory (FUR1)
**Flinders (FUR2)
*Gascoyne (GAS)
**Ashburton (GAS1)
**Carnegie (GAS2)
**Augustus (GAS3)
*Gawler (GAW)
**Myall Plains (GAW1)
**Gawler Volcanics (GAW2)
**Gawler Lakes (GAW3)
**Arcoona Plateau (GAW4)
**Kingoonya (GAW5)
*Gibson Desert (GD)
**Lateritic Plain (GD1)
**Dune Field (GD2)
*Gulf Fall and Uplands (GFU)
**McArthur - South Nicholson Basins (GFU1)
**Gulf Fall and Uplands P2 (GFU2)
*Geraldton Sandplains (GS)
**Geraldton Hills (GS1)
**Leseur Sandplain (GS2)
*Great Sandy Desert (GSD)
**McLarty (GSD1)
**Mackay (GSD2)
**Great Sandy Desert P3 (GSD3)
**Great Sandy Desert P4 (GSD4)
**Great Sandy Desert P5 (GSD5)
**Great Sandy Desert P6 (GSD6)
*Gulf Coastal (GUC)
**Gulf Coastal P1 (GUC1)
**Gulf Coastal P2 Pellews (GUC2)
*Gulf Plains (GUP)
**Karumba Plains (GUP1)
**Armraynald Plains (GUP2)
**Woondoola Plains (GUP3)
**Mitchell - Gilbert Fans (GUP4)
**Claraville Plains (GUP5)
**Holroyd Plain - Red Plateau (GUP6)
**Doomadgee Plains (GUP7)
**Donors Plateau (GUP8)
**Gilberton Plateau (GUP9)
**Wellesley Islands (GUP10)
*Great Victoria Desert (GVD)
**Shield (GVD1)
**Central (GVD2)
**Eastern, Maralinga (GVD3)
**Kintore (GVD4)
**Tallaringa (GVD5)
**Yellabinna (GVD6)
*Hampton (HAM)
**Hampton (HAM)
*Jarrah Forest (JF)
**Northern Jarrah Forest (JF1)
**Southern Jarrah Forest (JF2)
*Kanmantoo (KAN)
**Kangaroo Island (KAN1)
**Fleurieu (KAN2)
*King(KIN)
**King (KIN)
*Little Sandy Desert (LSD)
**Rudall (LSD1)
**Trainor (LSD2)
*MacDonnell Ranges (MAC)
**MacDonnell Ranges P1 (MAC1)
**MacDonnell Ranges P2 (MAC2)
**MacDonnell Ranges P3 (MAC3)
*Mallee (MAL)
**Eastern Mallee (MAL1)
**Western Mallee (MAL2)
*Murray Darling Depression (MDD)
**South Olary Plain, Murray Basin Sands (MDD1)
**Murray Mallee (MDD2)
**Murray Lakes and Coorong (MDD3)
**Lowan Mallee (MDD4)
**Wimmera (MDD5)
**Darling Depression (MDD6)
*Mitchell Grass Downs (MGD)
**Mitchell Grass Downs P1 (MGD1)
**Barkly Tableland (MGD2)
**Georgina Limestone (MGD3)
**Southwestern Downs (MGD4)
**Kynuna Plateau (MGD5)
**Northern Downs (MGD6)
**Central Downs (MGD7)
**Southern Wooded Downs (MGD8)
*Mount Isa Inlier (MII)
**Southwestern Plateaus & Floodouts (MII1)
**Thorntonia (MII2)
**Mount Isa Inlier (MII3)
*Mulga Lands (ML)
**West Balonne Plains (MUL1)
**Eastern Mulga Plains (MUL2)
**Nebine Plains, Block Range (MUL3)
**North Eastern Plains (MUL4)
**Warrego Plains (MUL5)
**Langlo Plains (MUL6)
**Cuttaburra-Paroo (MUL7)
**West Warrego (MUL8)
**Northern Uplands (MUL9)
**West Bulloo (MUL10)
**Urisino Sandplains (MUL11)
**Warrego Sands (MUL12)
**Kerribree Basin (MUL13)
**White Cliffs Plateau (MUL14)
**Paroo Overflow (MUL15)
**Paroo-Darling Sands (MUL16)
*Murchison (MUR)
**Eastern Murchison (MUR1)
**Western Murchison (MUR2)
*Nandewar (NAN)
**Nandewar, Northern Complex (NAN1)
**Inverell Basalts (NAN2)
**Kaputar (NAN3)
**Peel (NAN4)
*Naracoorte Coastal Plain (NCP)
**Bridgewater (NCP1)
**Glenelg Plain (NCP2)
**Lucindale (NCP3)
**Tintinara (NCP4)
*New England Tablelands (NET)
**Bundarra Downs (NET1)
**Beardy River Hills (NET2)
**Walcha Plateau (NET3)
**Armidale Plateau (NET4)
**Wongwibinda Plateau (NET5)
**Deepwater Downs (NET6)
**Glenn Innes-Guyra Basalts (NET7)
**Ebor Basalts (NET8)
**Moredun Volcanics (NET9)
**Severn River Volcanics (NET10)
**Northeast Forest Lands (NET11)
**Tenterfield Plateau (NET12)
**Yarrowyck-Kentucky Downs (NET13)
**Binghi Plateau (NET14)
**Stanthorpe Plateau (NET15)
**Eastern Nandewars (NET16)
**Tingha Plateau (NET17)
**Nightcap (NET18)
**Round Mountain (New South Wales) (NET19)
*Northern Kimberley (NK)
**Mitchell (NK1)
**Berkeley (NK2)
*NSW North Coast (NNC)
**Washpool (NNC1)
**Cataract (NNC2)
**Dalmorton (NNC3)
**Chaelundi (NNC4)
**Yuraygir (NNC5)
**Coffs Coast & Escarpment (NNC6)
**Macleay Hastings (NNC7)
**Carrai Plateau (NNC8)
**Macleay Gorges (NNC9)
**Upper Manning (NNC10)
**Comboyne Plateau (NNC11)
**Mummel Escarpment (NNC12)
**Barrington (NNC13)
**Tomalla (NNC14)
**Ellerston (NNC15)
**Upper Hunter (NNC16)
**Karuah Manning (NNC17)
**Rocky River Gorge (NNC18)
**Guy Fawkes (NNC19)
*NSW South Western Slopes (NSS)
**Northern Inland Slopes, Upper Slopes (NSS1)
**Lower Slopes (NSS2)
*Nullarbor (NUL)
**Northern band, Carlisle (NUL1)
**Central band, Nullarbor Plain (NUL2)
**Yalata (NUL3)
*Ord Victoria Plain (OVP)
**Ord, Ord-Victoria Plains P1 (OVP1)
**South Kimberley Interzone (OVP2)
**Ord-Victoria Plains P3 (OVP3)
**Ord-Victoria Plains P4 (OVP4)
*Pine Creek (PCK)
**Pine Creek (PCK)
*Pilbara (PIL)
**Chichester (PIL1)
**Fortescue (PIL2)
**Hamersley (PIL3)
**Roebourne (PIL4)
*Riverina (RIV)
**Lachlan (RIV1)
**Murrumbidgee (RIV2)
**Murray Fans (RIV3)
**Victorian Riverina (RIV4)
**Robinvale Plains (RIV5)
**Murray Scroll Belt (RIV6)
*Sydney Basin (SB)
**Kerrabee (SB1)
**Hunter (SB2)
**Capertee (SB3)
**Wollemi (SB4)
**Yengo (SB5)
**Wyong (SB6)
**Pittwater (SB7)
**Cumberland (SB8)
**Burragorang (SB9)
**Sydney Cataract (SB10)
**Moss Vale (SB11)
**Illawarra (SB12)
**Ettrema (SB13)
**Jervis (SB14)
*South East Coastal Plain (SCP)
**Gippsland Plain (SCP1)
**Otway Plain (SCP2)
**Warrnambool Plain (SCP3)
*South East Corner (SEC)
**East Gippsland Lowlands (SEC1)
**South East Coastal Ranges (SEC2)
**Bateman (SEC3)
**Highlands - Far East (SEC4)
*South Eastern Highlands (SEH)
**Highlands - Southern Fall (SEH1)
**Highlands - Northern Fall (SEH2)
**Otway Ranges (SEH3)
**Strzelecki Ranges (SEH4)
**South Eastern Highlands (SEH5)
**Murrumbateman (SEH6)
**Bungonia (SEH7)
**Kanangra (SEH8)
**Crookwell (SEH9)
**Oberon (SEH10)
**Bathurst (SEH11)
**Orange (SEH12)
**Hill End (SEH13)
**Bondo (SEH14)
**Kybeyan - Gourock (SEH15)
**Monaro (SEH16)
*South Eastern Queensland (SEQ)
**Burnett - Curtis Hills and Ranges (SEQ1)
**Moreton Basin (SEQ2)
**Southeast Hills and Ranges, Murwillumbah (SEQ3)
**Southern Coastal Lowlands (SEQ4)
**Brisbane - Barambah Volcanics (SEQ5)
**South Burnett (SEQ6)
**Gympie Block (SEQ7)
**Burnett - Curtis Coastal Lowlands (SEQ8)
**Great Sandy (SEQ9)
**Richmond - Tweed, Scenic Rim (SEQ10)
**Woodenbong (SEQ11)
**Clarence Sandstones (SEQ12)
**Clarence Lowlands (SEQ13)
*Simpson Strzelecki Dunefields (SSD)
**Simpson-Strzelecki Dunefields P1 (SSD1)
**Simpson Desert (SSD2)
**Dieri (SSD3)
**Warriner (SSD4)
**Strzelecki Desert, Western Dunefields (SSD5)
*Stony Plains (STP)
**Breakaways, Stony Plains (STP1)
**Oodnadatta (STP2)
**Murnpeowie (STP3)
**Peake-Dennison Inlier (STP4)
**Macumba (STP5)
*Sturt Plateau (STU)
**Sturt Plateau P1 (STU1)
**Sturt Plateau P2 (STU2)
**Sturt Plateau P3 (STU3)
*Swan Coastal Plain (SWA)
**Dandarragan Plateau (SWA1)
**Perth (SWA2)
*Tanami (TAN)
**Tanami P1 (TAN1)
**Tanami P2 (TAN2)
**Tanami P3 (TAN3)
*Tasmanian Central Highlands (TCH)
**Central Highlands (TCH)
*Tiwi Cobourg (TIW)
**Tiwi-Cobourg P1 (TIW1)
**Tiwi-Cobourg P2 (TIW2)
*Tasmanian Northern Midlands (TNM)
**Northern Midlands (TNM)
*Tasmanian Northern Slopes (TNS)
**Northern Slopes (TNS)
*Tasmanian South East (TSE)
**South East (TSE)
*Tasmanian Southern Ranges (TSR)
**Southern Ranges (TSR)
*Tasmanian West (TWE)
**West (TWE)
*Victoria Bonaparte (VB)
**Victoria Bonaparte P1 (VB1)
**Victoria Bonaparte P2 (VB2)
**Victoria Bonaparte P3 (VB3)
*Victorian Midlands (VM)
**Goldfields (VM1)
**Central Victorian Uplands (VM2)
**Greater Grampians (VM3)
**Dundas Tablelands (VM4)
*Victorian Volcanic Plain (VVP)
**Victorian Volcanic Plain (VVP1)
**Mount Gambier (VVP2)
*Warren (WAR)
**Warren (WAR)
*Wet Tropics (WT)
**Herbert (WET1)
**Tully (WET2)
**Innisfail (WET3)
**Atherton (WET4)
**Paluma - Seaview (WET5)
**Kirrama - Hinchinbrook (WET6)
**Bellenden Ker - Lamb (WET7)
**Macalister (WET8)
**Daintree - Bloomfield (WET9)
*Yalgoo (YAL)
**Edel (YAL1)
**Tallering (YAL2)

ee also

* Ecoregions in Australia
* Integrated Marine and Coastal Regionalisation of Australia (IMCRA)

References

*cite web | url = http://www.deh.gov.au/parks/nrs/ibra/index.html | title = Australia's Biogeographical Regions | publisher = Department of the Environment and Water Resources, Australian Government | accessdate = 2007-02-27
* [http://www.deh.gov.au/parks/nrs/ibra/version6-1/index.html IBRA Version 6.1] data.