DARLING RIVERINE PLAINS BIOREGION Background Report

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16/08/02 Darling Riverine Plains Bioregion Background Report Boronga Nature Reserve This Reserve covers 195 ha and is located 16 km east of Boomi. Boronga State Forest was dedicated in 1920 and used for grazing and timber extraction until the dedication of the nature reserve in 1976. Cropping, grazing and cotton production properties surround the reserve. Soils of the reserve range from dark clay floodplain soils to deep sand ridges (Hunt 1993a). Boronga Nature Reserve contains a carbeen open forest community, which is listed as an endangered ecological community under the TSC Act. This community is only reserved in the three small areas of Boronga, Boomi and Boomi West Nature Reserves. The surrounding area have been extensively modified for agricultural production. Vegetation communities in the reserve are: Callitris glaucophylla woodland - mature and regrowth Callitris glaucophylla with scattered Corymbia tessellaris and grassy understorey on sandy soils; Eucalyptus populnea subsp. bimbil woodland - clay soils support Eucalyptus populnea subsp. bimbil woodland with scattered Eucalyptus melanophloia and a shrub layer of Geijera parviflora and Eremophila mitchellii; Casuarina cristata woodland - on seasonally waterlogged clay soil areas, with no shrub understorey and few grasses; Corymbia tessellaris woodland - Corymbia tessellaris with Eucalyptus populnea subsp. bimbil and Callitris glaucophylla, understorey of Geijera parviflora, Eremophila mitchellii and Corymbia dolichocarpa on sandy soils; Casuarina cristata / Eremophila mitchellii shrubland - on clay soils; Corymbia tessellaris / Corymbia dolichocarpa woodland - on sandy soils with Callitris glaucophylla; Cleared grassland – on sandy soils; Corymbia tessellaris / Callitris glaucophylla woodland - woodland on sandy soils with a grassy understorey, sometimes mixed with Eucalyptus blakelyi. Boomi and Boomi West Nature Reserves Boomi Nature Reserve covers 156 ha and is located 2 km east of Boomi and 17 km south of the Macintyre River. Boomi West Nature Reserve covers 149 ha and is located 6.5 km west of Boomi and 17 km south of the Macintyre River (Butler 1996). These reserves contain carbeen open forest community, which is a listed endangered ecological community under the TSC Act. This community is only reserved in one other small area within Boronga Nature Reserve. Aboriginal scarred trees exist on the reserve and the wetland area provides habitat for a variety of waterbirds. Vegetation communities include: Native grassland - dominated in Boomi by Chloris truncata (windmill grass) and Aristida jerichoensis (No. 9 wiregrass) with emergent Acacia salicina, Geijera parviflora, Acacia excelsa and Atalaya hemiglauca; in Boomi West contains Panicum sp. (hairy panic), Bothriochloa macra (red grass), Setaria geniculata (pale pigeon grass) and a number of weed species; Eucalyptus populnea subsp. bimbil woodland - shrub species include Eremophila mitchellii, Casuarina cristata and Geijera parviflora, and the groundcover Bassia birchii (galvanised burr), Themeda australis (kangaroo grass) and Bassia divaricata (pale poverty bush); 136
16/08/02 Darling Riverine Plains Bioregion Background Report Callitris glaucophylla forest - associated species Corymbia tessellaris, Eucalyptus populnea subsp. bimbil and Eucalyptus coolabah. The understorey contains Paspalidium jubiflorum; Eucalyptus coolabah / Casuarina cristata woodland - in Boomi West with an understorey containing Paspalidium jubiflorum. Macquarie Marshes Nature Reserve The Macquarie Marshes Crown Land was first declared a game reserve in 1900 and then declared a sanctuary (Birds and Animals Protection Act 1918-1930 and Fauna Protection Act 1980). The reserve covers an area of 18 143 hectares and is divided into two sections: the Northern Marsh and Southern Marsh. The importance of the Marshes has been recognised by its inclusion in several agreements and registers including the Ramsar Convention, JAMBA and CAMBA. The plant communities in this reserve are described in Section 3.3.4. The Macquarie Marshes Nature Reserve protects part of the internationally important Macquarie Marshes, one of the largest remaining inland semi-permanent wetlands in south eastern Australia. The Marshes contain the largest area of reeds (Phragmites sp.) in south eastern Australia. The Nature Reserve includes significant stands of river red gum (Eucalyptus camaldulensis) and coolibah (E. coolabah). They are important to nine migratory bird species listed in the Japan-Australia and China-Australia Migratory Bird Agreements and eighteen endangered bird species. The Marshes are also a refuge for many native animals and are the western limit of the known distribution of Gould’s long eared bat (Nyctophilus gouldii) in NSW. A range of significant Aboriginal sites including oven mounds, surface campsites, scarred trees and artefacts exist within the Nature Reserve. Narran Lake Nature Reserve Narran Lake Nature Reserve is located between Brewarrina and Walgett in northern New South Wales and includes part of the terminal wetlands of the Narran River. The 5 538 ha reserve was dedicated in 1988 and an additional 3 547 ha adjoining the reserve is owned by the NPWS and managed as part of the reserve. The reserve covers the north-eastern third of the Narran Lake wetland system and does not include Narran Lake itself (NPWS 2000a). This Reserve is listed on the national estate and recognised as a wetland of international importance under the Ramsar convention. Approximately half of the nature reserve consists of wetlands subject to inundation by the Narran River, including two small lakes, Back and Clear Lakes, and extensive surrounding channelised wetlands. Aeolian lunettes and sandy levees border the wetlands. The other half of the reserve has gently undulating sandy and rocky ridges with several semi-saline playa lakes and drainage depressions. Aboriginal camp sites are present around the lake and the area also contains oven mounds and shell middens, scatters of stone artefacts associated with clay ground ovens and several small silcrete quarries on the colluvial ridge system. There are six dominant vegetation communities: Muehlenbeckia florulenta thickets - dense shrublands in the littoral zone of Clear and Back Lake; small areas of Phragmites australis between the lignum and sedges, ephemeral herbs and grasses grow on playa lakes and the main lake beds after floodwaters recede. 137
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DARLING RIVERINE PLAINS BIOREGION B
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For more information data contact t
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3.2 Vegetation Mapping and Descript
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10 APPENDICES 166 A CLIMATIC DATA B
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List of Maps Chapter 1 Map 1 Locati
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PROJECT SUMMARY This report forms p
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abbits are listed as key threatenin
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ainfall (mm) 900 800 700 600 500 40
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Family Scientific Name cretica Comm
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APPENDIX E: Fauna Other than Those
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Common Name Scientific Name No Reco
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Common 1983 1984 1985 1986 1987 198
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Common Name 1983 1984 1985 1986 198
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Taxa No Records Dataset Class Arach
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Taxa No Records Dataset Family Hebr
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Taxa No Records Dataset Tabanidae s
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Taxa No Records Dataset Berosus sp
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