Oakajee port and rail opr rail development vegetation and flora assessment
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- OAKAJEE PORT AND RAIL OPR RAIL DEVELOPMENT VEGETATION AND FLORA ASSESSMENT
- May 2010 Oakajee Port and Rail
- TABLE OF CONTENTS 1 INTRODUCTION ................................................................................................................ 1
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MAY 2010
OAKAJEE PORT AND RAIL OPR RAIL DEVELOPMENT VEGETATION AND FLORA ASSESSMENT
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OAKAJEE PORT AND RAIL OPR RAIL DEVELOPMENT VEGETATION AND FLORA ASSESSMENT
May 2010
Oakajee Port and Rail OPR Rail Development – Vegetation and Flora Assessment
May 2010
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Document Status Rev Author Reviewer/s Date Approved for Issue Name Distributed To Date 1 Melissa Hay C. Cox 23 rd Dec 09 C. Cox
C. Miller 23 rd Dec 09 2 Melissa Hay C. Macpherson T. Souster 3 rd
2010 C. Macpherson C. Miller 4 th March 10 3 Melissa Hay C. Macpherson T. Souster 19 th
2010 C. Macpherson D. McAlinden 19 th May 2010 ecologia Environment (2010). Reproduction of this report in whole or in part by electronic, mechanical or chemical means including photocopying, recording or by any information storage and retrieval system, in any language, is strictly prohibited without the express approval of Oakajee Port and Rail and/or ecologia Environment. Restrictions on Use This report has been prepared specifically for Oakajee Port and Rail. Neither the report nor its contents may be referred to or quoted in any statement, study, report, application, prospectus, loan, or other agreement document, without the express approval of Oakajee Port and Rail and/or ecologia Environment.
1025 Wellington Street WEST PERTH WA 6005 Phone: 08 9322 1944 Fax:
08 9322 1599 Email:
admin@ecologia.com.au
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1 INTRODUCTION ................................................................................................................ 1 1.1
LEGISLATIVE FRAMEWORK ....................................................................................................... 1 1.2
SURVEY OBJECTIVES .................................................................................................................. 2 2 EXISTING ENVIRONMENT .................................................................................................. 5 2.1
CLIMATE .................................................................................................................................... 5 2.2
GEOLOGY, LANDFORMS AND SOILS .......................................................................................... 8 2.2.1
Geology, Landforms and Soils of the Freehold Land Area ........................................ 8 2.2.2
Geology, Landforms and Soils of the Pastoral Land Area .......................................... 8 2.3
LAND SYSTEM AND SOIL‐LANDSCAPE SYSTEM CLASSIFICATION .............................................. 9 2.4
BIOGEOGRAPHIC REGIONS .....................................................................................................20 2.4.1
Geraldton Sandplains Bioregion ‐ Geraldton Hills Subregion ..................................20 2.4.2
Yalgoo Bioregion ‐ Tallering Subregion ...................................................................20 2.4.3
Murchison Bioregion ‐ Western Murchison Subregion ...........................................20 2.5
CONSERVATION ESTATES IN THE STUDY AREA .......................................................................22 2.6
STATE AND NATIONALLY RECOGNISED THREATENED COMMUNITIES ...................................25 2.6.1
Threatened Ecological Communities .......................................................................25 2.6.2
Priority Ecological Communities ..............................................................................25 2.6.3
Environmentally Sensitive Areas .............................................................................25 2.7
LAND USE HISTORY .................................................................................................................26 2.8
PREVIOUS BIOLOGICAL SURVEYS ............................................................................................26 2.8.1
Vegetation Described by Beard ...............................................................................28 2.8.2
Vegetation Described By IBRA .................................................................................37 2.8.3
Vegetation Previously Recorded in the Vicinity of the Study Area .........................37 3 SURVEY METHODOLOGY ................................................................................................. 43 3.1
GUIDING PRINCIPLES ..............................................................................................................43 3.2
DETERMINATION OF SURVEY SAMPLING DESIGN AND INTENSITY ........................................43 3.3
DATABASE SEARCHES ..............................................................................................................45 3.4
VEGETATION AND FLORA ASSESSMENT .................................................................................45 3.4.1
Detailed Floristic Quadrats ......................................................................................53 3.4.2
Opportunist Collections ...........................................................................................53 3.4.3
Vegetation Mapping ................................................................................................54 3.4.4
Targeted Threatened Flora Survey ..........................................................................54 4 VEGETATION RECORDED IN THE STUDY AREA ................................................................. 55 4.1.1
Vegetation of the Study Area in the Geraldton Sandplains IBRA Region ................55 4.1.2
Vegetation of the Study Area in the Yalgoo IBRA Region ........................................58 4.1.3
Vegetation of the Study Area in the Murchison IBRA Region .................................62 4.1.4
Vegetation Condition of the Study Area .................................................................69 4.1.5
Fire History of the Study Area .................................................................................70 5 FLORA RECORDED IN THE STUDY AREA ........................................................................... 71 5.1
GENERAL FLORA ......................................................................................................................71 5.2
SAMPLING ADEQUACY ............................................................................................................73 5.2.1
Sampling Adequacy for the Freehold Land Area .....................................................73 5.2.2
Sampling Adequacy for the Pastoral Land Area ......................................................73 5.3
FLORA OF CONSERVATION SIGNIFICANCE ..............................................................................74 5.3.1
Environment Protection and Biodiversity Conservation Act 1999 ..........................74 5.3.2
Wildlife Conservation Act 1950 ...............................................................................78
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5.3.3 Priority Flora ............................................................................................................79 5.3.4 Priority Flora with Potential to Occur in the Study Area .........................................79 5.3.5 Priority Flora Recorded in the Study Area During the Current Survey ....................79 5.3.6 Priority Flora Recorded During the ecologia Regional Surveys ............................ 100 5.3.7 Range Extensions Recorded in the Study Area ..................................................... 100 5.3.8 Other Flora of Interest Recorded in the Study Area ............................................. 105 5.4 INTRODUCED FLORA ............................................................................................................ 106 5.4.1 Declared Plants ..................................................................................................... 111 5.4.2 Weeds of National Significance ............................................................................ 113 6 SURVEY LIMITATIONS AND CONSTRAINTS .................................................................... 115 7 VEGETATION COMMUNITIES CONSERVATION ASSESSMENT ......................................... 119 7.1
VEGETATION OF NATIONAL SIGNIFICANCE ......................................................................... 119 7.2
VEGETATION OF STATE SIGNIFICANCE ................................................................................ 119 7.3
VEGETATION OF REGIONAL SIGNIFICANCE ......................................................................... 120 7.3.1
Land System and Soil‐Landscape System Analysis ............................................... 120 7.3.2
Beard Mapping Analysis ....................................................................................... 131 7.4
VEGETATION OF LOCAL SIGNIFICANCE ................................................................................ 141 8 FLORA CONSERVATION ASSESSMENT ........................................................................... 164 8.1
FLORA OF NATIONAL AND STATE CONSERVATION SIGNIFICANCE ...................................... 172 8.1
FLORA OF REGIONAL SIGNIFICANCE .................................................................................... 176 8.2
FLORA OF LOCAL SIGNIFICANCE .......................................................................................... 176 9 STUDY TEAM ................................................................................................................ 189 10 REFERENCES ................................................................................................................. 191
Table 2.1 – Rainfall Preceding the Section 5 Survey (Geraldton Airport Records) ................................. 6 Table 2.2 – Rainfall Preceding the Section 3 and Section 4 Surveys (Mullewa Records) ......................... 7 Table 2.3 – Rainfall Preceding the Section 1 and Section 2 Surveys (Meekatharra Aiport Records) ....... 8 Table 2.4 – Soil‐Landscape Systems of the Study Area ..........................................................................10 Table 2.5 – Land Systems of the Study Area ..........................................................................................12 Table 2.6 – Conservation Estate Located Within the Study Area ...........................................................22 Table 2.7 – PECs Recorded in the Study Area ........................................................................................25 Table 2.8 – Beard Vegetation Communities of the Study Area ..............................................................31 Table 2.9 – Jack Hills Vegetation Communities ......................................................................................37 Table 2.10 – Jack Hills Vegetation Communities (DEC) ..........................................................................39 Table 2.11 – Weld Range Vegetation Communities (DEC) .....................................................................39 Table 2.12 – Weld Range Vegetation Communities ...............................................................................40 Table 2.13 – Oakajee Vegetation Communities .....................................................................................41 Table 2.14 – Vegetation Communities Recorded Between Jack Hills and Weld Range .........................41 Table 3.1 – Factors Likely to Influence Survey Design ............................................................................44 Table 4.1 – Vegetation Condition Assessment .......................................................................................69 Table 5.1 – Diversity of the Flora of the Study Area ..............................................................................71 Table 5.2 – Diversity of the Flora of the Freehold and Pastoral Land Areas ..........................................71 Table 5.3 – Most Frequently Recorded Families, Genera and Taxa in the Study Area ..........................72 Table 5.4 – Quadrats with the Highest and Lowest Species Richness ...................................................72 Table 5.5 – Species Protected by the EPBC Act Recorded Within a 2 km Buffer of the Study Area ......74 Table 5.6 – DRF Taxa Protected by the WC Act Recorded Within a 2 km Buffer of the Study Area ......78 Table 5.7 – Priority Flora Taxa Recorded in the Study Area ...................................................................79
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iv Table 5.8 – Descriptions of Priority Flora Recorded in the Study Area ..................................................81 Table 5.9 – Priority Flora Taxa Recorded During the ecologia Regional Surveys ................................ 100 Table 5.10 – Range Extensions Recorded in the Study Area ............................................................... 102 Table 5.11 – Introduced Flora Taxa Recorded in the Study Area ........................................................ 107 Table 6.1 – Survey Limitations and Constraints .................................................................................. 116 Table 7.1 – Land System and Soil‐Landscape System Conservation Significance Assessment ........... 129 Table 7.2 – Beard Vegetation Units Conservation Significance Assessment ...................................... 137 Table 7.3 – Extent of Beard Vegetation Units Remaining in the Geraldton Sandplains Bioregion ..... 139 Table 7.4 – Vegetation Communities Conservation Significance Assessment .................................... 157 Table 8.1 – Number of Plants Assumed for Records Where Only Descriptions or % Cover was Available .......................................................................................................................... 165 Table 8.2 – Conservation Assessment of DRF and Priority Flora Taxa Recorded in the Study Area ... 167
Figure 1.1 – Location of the OPR Rail Study Area ..................................................................................... 3 Figure 2.1 – Climatic Summary Data (Geraldton Airport) ........................................................................ 5 Figure 2.2 – Climatic Summary Data (Mullewa) ....................................................................................... 6 Figure 2.3 – Climatic Summary Data (Meekatharra Airport) ................................................................... 7 Figure 2.4 – Land Systems and Soil‐Landscape Systems of the Study Area (Overview Map) ................15 Figure 2.5 – Soil‐Landscape Systems of the Study Area (Map 1) ...........................................................16 Figure 2.6 – Land Systems of the Study Area (Map 2) ...........................................................................17 Figure 2.7 – Land Systems of the Study Area (Map 3) ...........................................................................18 Figure 2.8 – Land Systems of the Study Area (Map 4) ...........................................................................19 Figure 2.9 – IBRA Subregions of the Study Area ....................................................................................21 Figure 2.10 – Conservation Estate Within the Vicinity of the Study Area (Map 1) ................................23 Figure 2.11 – Conservation Estate Within the Vicintiy of the Study Area (Map 2) ................................24 Figure 2.12 – Beard Vegetation of the Study Area (Overview Map) ......................................................32 Figure 2.13 – Beard Vegetation of the Study Area (Map 1) ...................................................................33 Figure 2.14 – Beard Vegetation of the Study Area (Map 2) ...................................................................34 Figure 2.15 – Beard Vegetation of the Study Area (Map 3) ...................................................................35 Figure 2.16 – Beard Vegetation of the Study Area (Map 4) ...................................................................36 Figure 3.1 – Survey Timing and Quadrat Locations ................................................................................47 Figure 3.2 – Transect Locations (Overview Map) ...................................................................................48 Figure 3.3 – Transect Locations (Map 1) ................................................................................................49 Figure 3.4 – Transect Locations (Map 2) ................................................................................................50 Figure 3.5 – Transect Locations (Map 3) ................................................................................................51 Figure 3.6 – Transect Locations (Map 4) ................................................................................................52 Figure 5.1 – Average Randomised SAC for the Freehold Land Area ......................................................73 Figure 5.2 – Average Randomised SAC for the Pastoral Land Area .......................................................74 Figure 5.3 – Locations of Priority Flora Recorded in the ecologia Regional Surveys .......................... 101 Figure 5.4 – Introduced Flora Taxa Recorded in the Study Area (Overview Map) .............................. 108 Figure 5.5 – Introduced Flora Taxa Recorded in the Study Area (Map 1) ........................................... 109 Figure 5.6 – Introduced Flora Taxa Recorded in the Study Area (Map 2) ........................................... 110 Figure 8.1 – Distribution of Caladenia hoffmanii ................................................................................ 172 Figure 8.2 – Distribution of Eucalyptus blaxellii .................................................................................. 173 Figure 8.3 – Distribution of Drummondita ericoides ........................................................................... 174 Figure 8.4 – Distribution of Philotheca wonganensis .......................................................................... 175
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Plate 5.1 – Caladenia hoffmanii .............................................................................................................75 Plate 5.2 – Caladenia hoffmanii (photography: ecologia) ......................................................................75 Plate 5.3 – Eucalyptus blaxellii (photography: ecologia) ........................................................................76 Plate 5.4 – Philotheca wonganensis .......................................................................................................77 Plate 5.5 – Drummondita ericoides ........................................................................................................77 Plate 5.6 – Acacia aff. rhodophloia (photography: ecologia) .............................................................. 105 Plate 5.7 – Philotheca aff. tubiflora (photography: ecologia) ............................................................. 106 Plate 5.8 – *Carthamus lanatus .......................................................................................................... 111 Plate 5.9 – *Echium plantagineum ...................................................................................................... 112 Plate 5.10 – *Emex australis ............................................................................................................... 113
Kataloq: sites -> default -> files -> PER documentation PER documentation -> Opr rail Development Public Environmental Review PER documentation -> Flora and vegetation of aviva lease area PER documentation -> Enclosure 1 2007 Seismic Survey Vegetation PER documentation -> Vegetation and Flora Survey Report PER documentation -> Midwest corporation limited PER documentation -> Tronox management pt y ltd PER documentation -> Flora and vegetation of barrambie survey area, bore fields and water pipeline corridor Yüklə 19,54 Mb. Dostları ilə paylaş:
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