62:
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terms the "Intensive Land-use Zone" (ILZ), the area of
Western Australia that has been largely cleared and developed for intensive agriculture such as cropping and livestock production. Within this zone, the vast majority of land has been cleared for agricultural purposes. In Western Mallee's case,
796:
The subregion's nature reserves are poorly managed. Little information is available for management purposes, as the subregion has not had a thorough biodiversity survey, vegetation mapping is available only at 1:250,000 scale, and there are virtually no historical records of fires or other
797:
significant events. Other than routine baiting of foxes in some reserves, there is little done to manage threats. The main threat, rising salinity, is completely unmanaged, despite having already caused widespread population declines and extinctions in lowland communities.
629:
Information on
Western Mallee's flora and fauna is scarce, as the area has not had a thorough biodiversity survey. What information is available has been gathered in the context of conservation assessment:
804:
of 3 when measured against the criteria, but the authors of that assessment stated that it should more properly be rated at 2 or even 1, because of the poor connectivity of reserves within cleared areas.
1114:
671:. It contains numerous rare, endangered and priority flora. It also supports a number of rare or endangered fauna, including some that fall within the critical weight range for
94:
49:. Largely cleared for intensive agriculture, it still retains patches of native vegetation, but these are under environmental stress from threats such as rising
958:
758:
38:
617:
over low scrub; at least 80 plant species are likely to occur only on gypsum dunes, including several threatened species. Some plant communities of the
793:, so in future the subregion is likely to support a plantation-based oil mallee industry, at least as a source of breeding material if not also land.
1075:
An interim biogeographic regionalisation for
Australia : a framework for setting priorities in the National Reserves System Cooperative Program
996:
147:. It has a gently undulating landscape, with somewhat more relief than eastern parts of the Mallee region. There are a variety of soils, including
574:
There are also a number of vegetation communities of lesser extent, including some that are considered endangered or at risk. Most notable is the
571:; the latter have a particularly high diversity of flora, of which around 25% is rare. Granite outcrops also support a characteristic vegetation.
618:
553:
1099:
1109:
168:
117:
579:
73:
biogeographic region. It has an area of 47,636 square kilometres, which is only lightly populated. The main towns are
45:. It is a sparsely populated subregion with an area of about 47,000 square kilometres, roughly centred on the town of
1082:
747:
A typical
Western Mallee landscape, showing an area predominantly cleared for intensive agriculture, with only a few
194:. It has seven to eight dry months, and a winter rainfall typically between 250 and 500 millimetres (10–19 in).
954:
962:
124:
703:) is now extinct in the wild, and a further ten species of mammal are extinct in the subregion. The endangered
78:
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818:
82:
70:
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for conservation purposes, covering about 25% of the remaining vegetation. There is also a small amount of
102:
98:
46:
106:
902:
850:
838:
712:
595:
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Only about 30% of the subregion retains its native vegetation. Within this area, most soil types carry
113:
90:
688:
989:
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801:
200:
86:
74:
929:
1077:
Version 4.0 Canberra : Australian Nature
Conservation Agency, Reserve Systems Unit, 1995.
65:
The
Western Mallee subregion, with agricultural areas in yellow, and native vegetation in green
1009:
976:
728:
704:
613:
590:
575:
191:
121:
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The subregion contains a number of ecologically important freshwater wetlands, including the
50:
830:
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8:
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696:
1038:
1052:
842:
602:
1078:
42:
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ecological community of herblands and bunch grasslands, and an at-risk community of
1034:
1025:(1979). "Biogeographical aspects of speciation in the southwest Australian flora".
858:
1022:
952:
834:
826:
822:
766:
543:
144:
1093:
910:
Biodiversity Audit of
Western Australia's 53 Biogeographic Subregions in 2002
131:
system of wetlands, also a DIWA Wetland of
National Significance; and the
790:
132:
20:
854:
779:
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607:
561:
548:
402:
261:
128:
61:
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Western Mallee was introduced in IBRA Version 6.1. Its region code is
743:
695:) previously occurred in the subregion, but both are now extinct. The
785:
774:
720:
672:
651:
557:
568:
179:
164:
955:"Native vegetation in Western Australia: Extent, Type and Status"
663:
598:
256:
26:
770:
641:
534:
172:
156:
657:
69:
Western Mallee is roughly defined as the western half of the
853:'s regionalisation of the world's terrestrial surface into "
407:
175:
160:
152:
148:
1055:(1980). "A new phytogeographic map of Western Australia".
676:
633:
The subregion contains many endemic plant species in the
143:
Western Mallee is situated on south-eastern parts of the
1115:
Mediterranean forests, woodlands, and scrub in
Australia
900:
953:
Shepherd, D. P., G. R. Beeston and A. J. M. Hopkins.
762:
only 31% of the area retains its native vegetation.
711:) still occurs in the region, as do the vulnerable
178:also occur in the area. The subregion has occluded
39:
1021:
777:near Hyden. The subregion contains populations of
857:", the Western Mallee subregion falls within the
182:, with a number of lakes, both saline and fresh.
1091:
957:. Resource Management Technical Report No. 249.
190:Western Mallee is semi-arid, with a warm, dry,
30:The IBRA subregions, with Western Mallee in red
896:
894:
892:
890:
888:
886:
884:
882:
880:
878:
861:ecoregion, one of 6 ecoregions comprising the
789:species that produce commercial quantities of
1051:
1057:Western Australian Herbarium Research Notes
903:"Mallee 2 (MAL2 - Western Mallee subregion"
875:
765:Around 10% of the subregion is held within
1015:
773:mining, and a tourist industry centred on
1045:
995:CS1 maint: multiple names: authors list (
1027:Annual Review of Ecology and Systematics
901:Beecham, Brett & Alan Danks (2001).
742:
533:
203:, a town in the Western Mallee subregion
60:
25:
1003:
564:, and the finer-textured soils support
1092:
948:
946:
1073:Thackway, R and I D Cresswell (1995)
817:. It is one of two subregions of the
757:Western Mallee falls within what the
552:species. Sands and laterites support
118:DIWA Wetland of National Significance
594:that occurs on the lake beds of the
546:communities consisting primarily of
1039:10.1146/annurev.es.10.110179.002151
943:
13:
1067:
959:Department of Agriculture and Food
922:
759:Department of Agriculture and Food
624:
19:For the statistical division, see
14:
1126:
1100:Biogeography of Western Australia
621:are also considered vulnerable.
1110:Mallee Woodlands and Shrublands
963:Government of Western Australia
808:
601:system. Gypsum dunes support a
328:Mean daily minimum temperature
252:Mean daily maximum temperature
125:threatened ecological community
16:Biioregion in Western Australia
1:
868:
847:South West Botanical Province
529:
41:(IBRA) subregion in southern
56:
7:
738:
10:
1131:
930:"Summary Statistics HYDEN"
851:World Wide Fund for Nature
839:Transitional Rainfall Zone
833:regions together comprise
800:The subregion was given a
713:black-flanked rock-wallaby
596:Lake Bryde-East Lake Bryde
538:Mallee woodland near Hyden
517:
185:
138:
114:Lake Bryde-East Lake Bryde
53:, and are poorly managed.
18:
689:crescent nailtail wallaby
474:Mean number of rain days
821:region, the other being
802:Continental Stress Class
127:of shrub lake beds; the
932:. Bureau of Meteorology
85:; lesser towns include
984:Cite journal requires
754:
539:
66:
31:
746:
729:western brush wallaby
725:Pseudomys shortridgei
705:red-tailed phascogale
701:Lagorchestes hirsutus
591:Tecticornia verrucosa
581:Muehlenbeckia horrida
576:critically endangered
537:
522:Bureau of Meteorology
192:Mediterranean climate
122:critically endangered
64:
29:
831:Geraldton Sandplains
681:pig-footed bandicoot
398:Mean total rainfall
863:Southwest Australia
717:Petrogale lateralis
697:rufous hare-wallaby
685:Chaeropus ecaudatus
205:
199:Climatic Table for
165:lateritic pavements
1023:Hopper, Stephen D.
755:
693:Onychogalea lunata
540:
197:
120:and habitat for a
67:
32:
709:Phascogale calura
527:
526:
523:
43:Western Australia
1122:
1061:
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1010:IBRA Version 6.1
1007:
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859:Esperance Mallee
753:trees remaining.
518:
206:
196:
169:granite outcrops
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1129:
1125:
1124:
1123:
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1120:
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1105:IBRA subregions
1090:
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1070:
1068:Further reading
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767:nature reserves
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625:Flora and fauna
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827:Avon Wheatbelt
825:. The Mallee,
823:Eastern Mallee
810:
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667:; and various
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145:Yilgarn Craton
140:
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55:
35:Western Mallee
15:
9:
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4:
3:
2:
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1083:0-642-21371-2
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733:Macropus irma
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467:334.9 mm
466:
464:0.53 in
461:
459:0.70 in
456:
454:0.82 in
451:
449:1.09 in
446:
444:1.62 in
441:
439:1.85 in
436:
434:2.02 in
431:
429:1.58 in
426:
424:0.97 in
421:
419:0.81 in
416:
414:0.78 in
411:
409:
404:
400:
397:
396:
393:49.8 °F
390:
388:56.8 °F
385:
383:52.5 °F
380:
378:46.6 °F
375:
373:42.6 °F
370:
368:40.5 °F
365:
363:40.5 °F
360:
358:42.3 °F
355:
353:45.9 °F
350:
348:52.0 °F
345:
343:57.4 °F
340:
338:60.3 °F
335:
333:59.5 °F
330:
327:
326:
323:76.6 °F
320:
318:89.4 °F
315:
313:82.8 °F
310:
308:75.9 °F
305:
303:68.4 °F
300:
298:63.1 °F
295:
293:61.3 °F
290:
288:63.0 °F
285:
283:69.1 °F
280:
278:77.9 °F
275:
273:85.6 °F
270:
268:91.0 °F
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1074:
1056:
1053:Beard, J. S.
1047:
1030:
1026:
1017:
1005:
977:cite journal
966:. Retrieved
934:. Retrieved
924:
913:. Retrieved
909:
849:. Under the
814:
812:
809:Biogeography
799:
795:
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778:
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756:
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732:
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684:
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619:Bremer Range
612:
606:
589:
584:
580:
573:
565:
547:
541:
519:
462:13.5 mm
457:17.7 mm
452:20.8 mm
447:27.6 mm
442:41.2 mm
437:47.1 mm
432:51.2 mm
427:40.2 mm
422:24.6 mm
417:20.6 mm
412:19.9 mm
386:13.8 °C
381:11.4 °C
346:11.1 °C
341:14.1 °C
336:15.7 °C
331:15.3 °C
321:24.8 °C
316:31.9 °C
311:28.2 °C
306:24.4 °C
301:20.2 °C
296:17.3 °C
291:16.3 °C
286:17.2 °C
281:20.6 °C
276:25.5 °C
271:29.8 °C
266:32.8 °C
198:
189:
142:
116:wetlands, a
111:
68:
34:
33:
1059:(3): 37–58.
1033:: 399–422.
791:cineole oil
727:), and the
554:scrub-heath
391:9.9 °C
376:8.1 °C
371:5.9 °C
366:4.7 °C
361:4.7 °C
356:5.7 °C
351:7.7 °C
133:Lake Cronin
79:Gnowangerup
21:West Mallee
1094:Categories
968:2007-01-31
936:2007-04-23
915:2007-04-25
869:References
855:ecoregions
780:Eucalyptus
750:Eucalyptus
669:Asteraceae
647:Proteaceae
636:Eucalyptus
614:incrassata
608:Eucalyptus
603:vulnerable
566:Eucalyptus
562:Proteaceae
549:Eucalyptus
530:Vegetation
406:0.76
401:19.4
129:Lake Grace
83:Lake Grace
865:ecozone.
786:Melaleuca
775:Wave Rock
721:heath rat
673:predation
652:Grevillea
569:woodlands
558:Myrtaceae
103:Lake King
99:Newdegate
57:Geography
47:Newdegate
739:Land use
649:such as
180:drainage
135:system.
107:Kondinin
51:salinity
664:Banksia
599:wetland
583:subsp.
520:Source:
186:Climate
139:Geology
91:Ongerup
1081:
835:Hopper
819:Mallee
771:gypsum
719:) and
687:) and
679:. The
642:Acacia
585:abdita
544:mallee
173:Gypsum
167:; and
157:kankar
95:Duggan
71:Mallee
37:is an
906:(PDF)
843:Beard
677:foxes
658:Hakea
611:aff.
513:55.1
247:Year
201:Hyden
176:dunes
155:over
153:silts
149:clays
87:Kulin
75:Hyden
1079:ISBN
1012:data
997:link
990:help
829:and
815:MAL2
783:and
661:and
588:and
560:and
510:2.1
507:2.8
504:3.9
501:5.6
498:7.7
495:9.0
492:8.2
489:5.9
486:3.4
483:2.2
480:2.1
477:2.2
260:92.3
255:33.5
244:Dec
241:Nov
238:Oct
235:Sep
232:Aug
229:Jul
226:Jun
223:May
220:Apr
217:Mar
214:Feb
211:Jan
161:sand
151:and
105:and
81:and
1035:doi
845:'s
841:of
837:'s
735:).
675:by
556:of
1096::
1031:10
1029:.
981::
979:}}
975:{{
961:,
945:^
908:.
877:^
655:,
645:,
639:,
408:in
403:mm
262:°F
257:°C
171:.
163:;
159:;
109:.
101:,
97:,
93:,
89:,
77:,
1041:.
1037::
999:)
992:)
988:(
971:.
939:.
918:.
731:(
723:(
715:(
707:(
699:(
691:(
683:(
23:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
