August 1999 Threatened Plants Project



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Threatened Plants Project

A project undertaken as part of the NSW Comprehensive Regional Assessments


August 1999










Threatened Plants Project

NORTHERN region

Peter Richards

A project undertaken for
the Joint Commonwealth NSW Regional Forest Agreement Steering Committee
as part of the

NSW Comprehensive Regional Assessments

project number NA 22/EH incorporating NU 03/EH Targeted Flora Survey Project

August 1999



For more information and for information on access to data contact the:

Resource and Conservation Division, Department of Urban Affairs and Planning

GPO Box 3927


SYDNEY NSW 2001

Phone: (02) 9228 3166


Fax: (02) 9228 4967

Forests Taskforce, Department of the Prime Minister and Cabinet

3-5 National Circuit


BARTON ACT 2600

Phone: 1800 650 983
Fax: (02) 6271 5511
© Crown copyright August 1999

New South Wales Government

Commonwealth Government

ISBN 1 74029 030 5

This project has been jointly funded by the New South Wales and Commonwealth Governments and managed through the Resource and Conservation Division, Department of Urban Affairs and Planning, and the Forests Taskforce, Department of the Prime Minister and Cabinet
The project has been overseen and the methodology has been developed through the Environment and Heritage Technical Committee which includes representatives from the New South Wales and Commonwealth Governments and stakeholder groups.
NPWS Northern Zone team: Robert De Vries, Carmel Flint, Lynne Dalton, Katrina McKay, Jo Spencer,Veda Crossley, Sonia Diepeveen, Chris Turbill, Jessica Scott, Joanna Knight, Martin Stuart, Guy Hodgson, Jill Smith

Botanists employed to carry out target surveys: Andrew Benwell, Phil Gilmour, Stephanie Horton, Nick Cobcroft, Peter Metcalfe, Lachlan Copeland


Herbarium staff: Canberra-Bob Makinson, Lyn Craven; Coffs Harbour- Alex Floyd; Royal Botanic Gardens, Sydney-Gwen Harden, Seanna McCune, Louisa Murray, John Benson, Ken Hill, Peter Weston, Peter Wilson, Gary Chapple.
Further botanical and technical advice: David Keith, Doug Binns, Bill Chapman, Paul Sheringham, John Westaway, R. John Hunter, John T. Hunter, Stephen Bell, Anders Bofeldt,

Van Klaphake, Mike Dodkin, Roy Pullen, Rob Kooyman, John Williams NPWS



Disclaimer

While every reasonable effort has been made to ensure that this document is correct at the time of printing, the State of New South Wales, its agents and employees, and the Commonwealth of Australia, its agents and employees, do not assume any responsibility and shall have no liability, consequential or otherwise, of any kind, arising from the use of or reliance on any of the information contained in this document.



ContenTS


Project summary


ContenTS 5

1. INTRODUCTION 9

1.1 Approach 9

1.2 Study Area 11

2. Methods 12

2.1 DATA COLLATION 12

2.2 DATA CHECKING 14

2.3 DATA VALIDATION 15

2.4 SELECTING TARGET TAXA 15

2.5 FIELD SURVEY 16

3. Results and Discussion 18

3.1 DATA VALIDATION 18

3.2 SELECTING TARGET TAXA 18

3.3 FIELD SURVEY 19





Table 2.1: Data sources for significant vascular plant localities 12

Table 2.2: Significance Category codes derived for the Forest Biota Response to Disturbance Project 15

Table 3.3:List of Targeted Species for UNE and LNE CRA Study Areas 18

Table 3.4: Target taxa for which new populations were located during CRA targeted surveys 20

Table 3.5: Target taxa not located during CRA targeted surveys 20




References 1 22

Appendices



APPENDIX 1 23

APPENDIX 2 25

APPENDIX 3 27

APPENDIX 4 38


PROJECT SUMMARY

This report describes a project undertaken as part of the comprehensive regional assessments of forests in New South Wales. The comprehensive regional assessments (CRAs) provide the scientific basis on which the State and Commonwealth Governments will sign regional forest agreements (RFAs) for major forest areas of New South Wales. These agreements will determine the future of these forests, providing a balance between conservation and ecologically sustainable use of forest resources.


Project Objective/s



This report was undertaken to provide accurate data on threatened vascular flora of the Upper and Lower North East CRA regions in time to contribute to the development of a comprehensive, adequate and representative reserve network in north-east New South Wales.


Methods

To achieve this end, targeted flora surveys were initiated to provide information on the distribution, population attributes, ecology and threatening processes pertaining to priority vascular plant species in the Upper and Lower North East CRA regions. Species included within the scope of this project are those listed under the NSW Threatened Species Conservation Act (1995), or the Commonwealth Endangered Species Protection Act (1992), or which have been identified by expert working groups as warranting regional threatened status.

Data collation of existing records of significant plant species was also undertaken, as was a process of data checking and validation. 252 populations of 48 target plant taxa and 848 incidentally recorded populations of 342 significant plant taxa were located and assessed in the course of this project.


Key Results and products

New populations were located, based on searches of areas considered potential habitat, for 34 of the target taxa. This indicates that targeted surveys utilising expert knowledge of the habitat requirements of rare plants are a very effective method of increasing the knowledge base for these species. A highlight of the field surveys was the outstanding number of populations of significant plant taxa which were recorded incidentally during this project. Populations of 26 species listed as Endangered under the NSW Threatened Species Conservation Act (TSC) and populations of 35 species listed as Vulnerable under the NSW TSC Act were incidentally recorded during this project. These results, in combination with the data validation process conducted as a part of this process, produced a very high quality data set with which species modelling, population viability analysis and conservation requirements studies could be undertaken for the Upper and Lower North East CRAs.


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