# Interim Biogeographic Regionalisation for Australia

L'Interim Biogeographic Regionalisation for Australia, ou IBRA, est un plan de découpage du continent australien en régions biogéographiques créé par le « Ministère de l'environnement et de l'eau » australien pour servir de base de travail par exemple pour la création de réserves naturelles.
En 2007, ce plan en est à sa version 6.1, ce qui donne le découpage suivant de l'Australie (le code des régions figure entre parenthèses). On peut consulter le plan sur le site de l'IBRA. :
* Alpes australiennes (AA)
** Alpes australiennes (AA1)
** Alpes victoriennes (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)
* Péninsule du cap York (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)
** Péninsule Wilsons (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)
* Désert de Gibson (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)
* Grand Désert de Sable (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)
* Grand désert de Victoria (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)
** Île Kangourou (KAN1)
** Fleurieu (KAN2)
* King(KIN)
** King (KIN)
* Little Sandy Desert (LSD)
** Rudall (LSD1)
** Trainor (LSD2)
* Monts MacDonnell (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, Nullabor 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)
** Désert de Simpson (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)

## Site internet pour consulter le plan

* « Australia's Biogeographical Regions », Department of the Environment and Water Resources, Australian Government (consulté le 27 février 2007)