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The distribution and impacts of Lippia (Phyla canescens) in the Murray Darling system.

Final Report to the Lippia Working Group
October 2003
NB higher quality images available by clicking on links in List of Figures and List of Plates or by clicking on the image required.

CONTENTS
 Download complete document download - Large file 1,107k 

or in segments

 Download 1,
Table of Contents
Page Executive Summary i
Forward iii
Background iv
The Consultation Process iv
Table of Contents vi
List of Tables viii
List of Figures viii
List of Plates ix

 Download 2a,
Scoping Study Report
The Murray Darling Basin 1
Distribution of Lippia throughout the Murray Darling Basin 3
Distribution of Lippia in sub-catchments within the MDB 8 
    Condamine 8 
    Border Rivers NSW 9 
    Gwydir 10 
    Namoi 12 
    Central West 14 
    Lachlan 14 
    Murrumbidgee 16 
    Murray, (Mallee, Lower Murray Darling & SA MDB) 16 
    Victorian Catchments 17 
    Western NSW Catchments 18 
    Western Queensland Catchments 18
Incidence of Lippia outside the MDB 19

Download 2b,
Taxonomy 21
Rate of Increase of Lippia 23
Potential distribution 24
Farmer survey results 27
On farm costs associated with Lippia 29 
    Cultivation 29 
    Herbicides 29 
    Cost of Lippia to the grazing industry 30
Damage to roads and structures 32
Environmental impacts 33 
    Biodiversity 33 
    Threatened communities & species 34 
    Grasslands 37 
    Perennial plant regeneration 38 
    Ecosystem health 38 
    Erosion 39
Environmental costs 40
Review of current control methods 41 
    Herbicides 41 
    Cultivation 41 
    Grazing management 42
Research and extension priorities 44 
    Biological control 44 
    Phytochemistry 45 
    Ecophysiology 45 
    Dispersal mechanisms 46 
    Site characterisation 47 
    Vegetation management 48 
    Awareness & education 49 
    Threatened species conservation 49
Concluding comments 49
Summary: Distribution & Impacts 50

 Download 3,
References 52
Appendix I List of all individuals and organisations contacted for input into the scoping study. 56
Appendix II
Impact of Lippia on Farm - Case Studies 
    1. Border Rivers Catchment, NSW 62 
    2. Murrumbidgees Catchment, NSW 65 
    3. Border Rivers Catchment, Qld 66 
    4. Namoi Catchment, NSW 68 
    5. Gwydir Catchment, NSW 70 
    6. Balonne- Maranoa Catchment, Qld 71 
    7. Lachlan Catchment, NSW 72 
    8. Gwydir Catchment, NSW 73 
    9. Border Rivers Catchment, NSW 75 
    10. Gwydir Catchment, NSW 77 
    11. Namoi Catchment, NSW 81 
    12. Namoi Catchment, NSW 82 
    13. Namoi Catchment, NSW 84 
    14. Namoi Catchment, NSW 85 
    15. Condamine Catchment, Qld 87
Appendix III Farmer Survey Form 89


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