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)

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