Appendix 18 Data for species Assemblages Lyons et al (2004)



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Appendix 18 Data for species Assemblages Lyons et al (2004)

Assemblage

Number Species confined to wetland habitats

Number of species recorded on gypsum

Soils and Topography

Comments

Characteristic species

Location

Bioregions

1.2

14 out of 43

26 out of 35

74%


Inland primary salt lake systems and associated valley floors. Richest on fine textured calcareous and gypseous soils.

Moderate to high ELCODE not subject to inundation



Several taxa are associated with gypsum substrates Goodenia sp. Lake King (Goodenia salina) and Kippistia suaedifolia

Goodenia salina

Kippistia suaedifolia

Asteridea athrixioides Hemichroa diandra

Sondottia connata

Eucalyptus flocktoniae Maireana appressa

Avon Wheatbelt Mallee

Yalgoo Coolgardie



2.6

8 out of 10

5 out of 9

55%


Gypsum and saline clay substrates on margins, or on centrally raised beds, of inland saline playas and pans.

% gypsum was a significant term in the GLM model



Small group taxa

Species poor stands

Several undescribed species known from few localities.


Frankenia sp. southern gypsum Halosarcia sp. lake Moore (Tecticornia loriae)

Triglochin lyonsii ms

Hydrocotyle hexaptera ms

Chondropyxis halophila

Trichanthodium exile

Avon Wheatbelt Mallee

Yalgoo


Coolgardie

3.2

16 out of 21

18 out of 21

86%


Coastal and near coastal salt lakes and southern inland saline playas. Within wetlands taxa occupy berms and elevated flats, often of evaporate derived substrates. Moderate to high EC

ELCODE (intermediate wetland elevations)



Austrostipa pycnostachya also non-wetland.


Austrostipa pycnostachya Wilsonia humilis

Hagiela tatei

Frankenia tetrapetala

Lawrencia glomerata

Tegicornia uniflora

Austrostipa juncifolia

Isotoma scapigera

Coastal and southern near coastal wetlands.

Esperance sandplains

Southern Avon Wheatbelt

Mallee


3.3

2/3 restricted to wetlands

23 out of 24

96%
10 weeds



Primary and secondary saline/brackish and disturbed freshwater wetland edges.

Wetland margins

ELCODE 2 and 3 max richness % gypsum was a significant term in the GLM model


Widespread taxa included

Taxa not restricted to wetlands

*Hordeum glaucum

* Hordeum leporinum

*Lolium sp



Apium annum

*Cotula bipinnata

Melaleuca halmaturorum

*Parapholis incurva *Spergularia rubra

Tecticornia doleiformis

Tecticornia indica Tecticornia quinqueflora

Triglochin mucronata

Coastal and Wheatbelt

4.1

22 out of 23

21 out of 23

91%


Sandy berms, strand lines and low sandy flats of inland primarily saline playas and braided saline drainage lines

ELCODE 2 and 3 max richness



Some northern taxa associated with Gypsum - Frankenia conferta

Neosciadium glochidiatum

7 species Tecticornias



Tecticornia undulata

Tecticornia halocnemoides

Tecticornia peltata

Tecticornia pruinosa

Gunniopsis septifraga

Wheatbelt into the adjacent arid zone. Subset N Avon wheatbelt

4.2

All

4 out of 9

44%


Edges of channels in braided primary saline drainage lines, slightly elevated sandy rises and margins of primary saline playas and small pans. Seasonally leached sands rather than evaporate derived substrates (3.3)

Uncommon taxa

Roycea pycnophylloides

Sarcocornia globosa

Tecticornia sp. central wheatbelt

Frankenia bracteata

Drosera zigzagia

Avon Wheatbelt

Mallee


12

All

1 out of 6

17%


Sandy margins of saline playas and braided drainage lines Similar habitat to 4.2 poorly known


Millotia steetziana recorded on gypsum

Undescribed taxa

Tribonanthes minuta

Hypoxis salina

Calandrinia sp. Hyden

Mallee

Esperance

Avon Wheatbelt

Jarrah forest



16

None restricted to wetlands

11 out of 24

46%
3 weeds



Widespread on more fertile granitic soils, orange sandy loams and finer textured valley floor soils that are non saline. Around wetlands max richness occurred on dunes and flats. Dominated by terrestrial taxa

Dominated by widespread herbs

Acacia acuminata

Eucalyptus loxophleba subsp. loxophleba

Gonocarpus nodulosus

Quinetia urvillei

Drosera glanuligera

Millotia tenuifolia

Dianella revoluta

Podolepis lessonii

Daucus glochidiatus

Avon Wheat belt centre of taxa distribution


17

5 out of 50

25 out of 50

50%
3 weeds



Preference for more fertile granite derived soils. Low EC. Moderate to high elevations

Typical of semi-arid Acacia, Eremophila and Melaleuca dominated shrublands and eucalypt woodlands. Wide spread lower rainfall non-wetland annuals and taxa specific to shrublands on lunettes and flats within salt lake systems



Lawrencella rosea

Actinobole uliginosum

Sarcozona praecox

Podotheca pritzelii


Avon Wheatbelt

Max richness in NE study area



18

22% restricted to wetlands

56 out of 68

82%
13 weeds



Most associated with saline and semi-saline habitats. Margins of naturally saline playas and braided drainage systems

Broad array of habitats

Saline habitat- Atriplex hymenotheca

Didymanthus roei

Gnephosis angianthoides

Stenopetalum salicola

Centrolepis humillima

Saline influence Lycium australe



Threlkeldia diffusa

Pogonolepis stricta

Rhagodia drummondii

Mesembryanthemum nodiflorum

Atriplex paludosa

Dominated by annual herbs that have distributions centred within the Avon Wheatbelt and Mallee

19

31% restricted to wetlands

18 out of 63 species

28%
8 weeds



More restricted to primary salt lake habitats

Non wetland habitats of valley floors

Moderate to high ELCODE


Shrublands on elevated rises as well as mid slope chenopod dominated low shrublands on margins of salt lakes

Gunniopsis quadrifida

Eremophila miniata

Maireana amoena

Maireana atkinsoniana


Distribution of taxa northern Avon Wheatbelt

Geraldton sandplains

Yalgoo


20

9% restricted to wetlands

33 out of 76

43%
4 weeds



Within wetlands on elevated flats and dunes in primary salt lake systems

17 and 19 northern

Sandy lunettes and flats


Widespread annual herbs

Dunes Darwinia sp. Karonie

Leucopogon sp. Kau Rock


Carpobrotus modestus

Melaleuca brophyi

Restricted to wetlands-



Eucalyptus sargentii

Eualyptus salicola

Bossiaea halophila

Lomandra micrantha subsp. teretifolia

Central and southern wheatbelt

Avon wheatbelt

Mallee


21

None restricted to wetlands

24 out of 34

70 %
7 weeds



Finer textured soils of valley floors and broad Aeolian plains associated with primary salt lake systems




Strongly associated with primarily saline wetlands –

Acacia inceana

Millotia major

Eucalyptus kondininensis

Southern Avon Wheatbelt

Mallee Coolgardie and northern Avon Wheatbelt




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