DARLING RIVERINE PLAINS BIOREGION Background Report

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16/08/02 Darling Riverine Plains Bioregion Background Report Administrative boundaries In addition to crossing a State border, the DRP (Aus) bioregion is divided by a number of other administrative boundaries. Among the more significant of these are the DLWC Regions (Map 9) that have influenced the coverage of research throughout the bioregion. Research carried out in the Western Division (Far West Region, Table 1.4, Map 9) has frequently differed in content and comprehensiveness from that undertaken in the regions to the east. New South Wales State government Four State Government electorates (Table 1.3, Map 6) intersect the DRP. Most of this bioregion is in the Electorate of Barwon (79%). Table 1.3 State government electorates within the DRP Electorate Area intersecting DRP (ha) % electorate % DRP Barwon 7 351 190 63% 79% Murray – Darling 1 758 506 5% 19% Dubbo 130 234 8% 1% Northern Tablelands 13 432 0.4% 0.1% Department of Land and Water Conservation administrative boundaries The DRP lies within three Department of Land and Water Conservation (DLWC) Regions (Table 1.4, Map 9). Table 1.4 DLWC regions within the DRP DLWC Region Area intersecting DRP (ha) % region % DRP Far West 3 993 322 12% 43% Central West 3 164 952 23% 34% Barwon 2 093 817 23% 23% National Parks and Wildlife Service administrative boundaries 99.9% of the DRP falls under the jurisdiction of the Western Directorate of NPWS, with the remaining 0.1% being within Northern Directorate (Map 7). Table 1.5 shows NPWS Directorates, Regions and Areas within these Directorates, and the area of the DRP covered by each. Narrabri Area Office has jurisdiction over 39% of the DRP, with Coonabarabran and Cobar Area Offices covering 23% and 25% respectively. Table 1.5 NPWS administrative boundaries within the DRP Directorate Region Area Area intersecting % NPWS % DRP DRP (ha) Area Western Northern Plains Narrabri 3 590 790 56% 39% Coonabarabran 2 117 223 56% 23% Upper Darling Cobar 2 281 882 19% 25% Far West Broken Hill 854 947 9% 9% Central West Lachlan 394 384 10% 4% Northern Northern Tablelands Glen Innes West 13581 1% 0.1% 24
16/08/02 Darling Riverine Plains Bioregion Background Report State Forests of NSW administrative boundaries Eight SFNSW Management Areas lie partially within the DRP (Table 1.6, Map 8). The Walgett Management Area covers the largest percentage of the DRP (41%). Table 1.6 SFNSW administrative boundaries within the DRP SF Management Area Area intersecting DRP (ha) % SF Management % DRP Walgett 3 828 033 Area 99% 41% Pilliga 1 728 155 44% 19% Unincorporated 1 214 062 7% 13% Dubbo 1 070 150 35% 12% Gilgandra 943 077 65% 10% Mildura 302 673 3% 3% Inverell 119 265 6% 1% Forbes 30 618 1% 0.3% Condobolin 20 053 0.4% 0.2% Rural Lands Protection Boards administrative boundaries Sixteen Rural Lands Protection Boards (RLPBs) intersect the DRP, with the Walgett RLPB covering 27% of the DRP (Table 1.7, Map 10). Other RLPBs that are mostly within the DRP are Brewarrina, Coonamble and Moree. Table 1.7 RLPBs within DRP RLPB Area intersecting DRP (ha) % RLPB %DRP Walgett 2 471 851 96% 27% Brewarrina 1 293 744 87% 14% Coonamble 1 121 902 99% 12% Moree 1 010 819 63% 11% Nyngan 798 382 45% 9% Dubbo 538 118 31% 6% Wilcannia 515 072 11% 6% Bourke 506 480 13% 5% Broken Hill 339 875 8% 4% Narrabri 299 695 24% 3% Cobar 142 876 4% 2% Warialda 128 837 10% 1% Coonabarabran 49 447 4% 1% Molong 18 836 2% 0.2% Condobolin 16 871 1% 0.2% Wentworth 539 0.02% 0.01% Regional Vegetation Committees administrative boundaries Of the seven Regional Vegetation Committees (RVCs) which cover portions of the DRP, the Lower Macquarie - Castlereagh and Walgett RVCs cover the largest land area within the bioregion (50%) as indicated in Table 1.8 and Map 11. 25
Page 1 and 2: DARLING RIVERINE PLAINS BIOREGION B
Page 3 and 4: For more information data contact t
Page 5 and 6: 3.2 Vegetation Mapping and Descript
Page 7 and 8: 10 APPENDICES 166 A CLIMATIC DATA B
Page 9 and 10: List of Maps Chapter 1 Map 1 Locati
Page 11 and 12: PROJECT SUMMARY This report forms p
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Initial Phase Assessment Phase 16/0
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Appendix A: Mean Monthly Rainfall a
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Major Rangetype Rangetype Physiogra
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Appendix C : Native Flora Other Tha
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Family Scientific Name Common Name
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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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DARLING RIVERINE PLAINS BIOREGION Background Report

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