Conservation Research Statement and Species Recovery Plan for (Persoonia nutans) R. Br. 1996

Geoff Robertson, Maria Matthes, Martin Smith
NSW National Parks and Wildlife Service
Environment Australia

Summary

Current Species Status

The current species status of Persoonia nutans is 2ECi (Briggs & Leigh, 1996) and E (ANZECC, 1993). It is listed on the NSW Threatened Species Act, 1995 as Endangered. Ten populations are restricted to the Cumberland Plain in Western Sydney, NSW. The total population is estimated at approx. 4,400 individuals but about 1,300 of these occur on land that will be mined.

Habitat Requirements and Limiting Factors

Persoonia nutans occurs in Castlereagh scribbly gum woodland and Agnes Banks woodlands, as described in Benson, (1992). The species is restricted to soils derived from the Londonderry clay and the aeolian sands at Agnes Banks.

Threats to P. nutans populations include: inappropriate fire regimes, mining, vegetation clearance, vehicular damage, rubbish dumping, exploitation and weed invasion.

Primary Objective

To minimise degradation of the habitat of P. nutans so that the species may continue the evolutionary process unhindered by human activities.

Specific Objectives

  1. Protection of existing populations and maintenance of known populations.
  2. To protect new sites as they are found.
  3. To understand the biology and ecology of the species so that management alternatives can be assessed.
  4. To develop community awareness and involvement.
  5. To establish secure ex-situ storage of seed as insurance against future losses of diversity, particularly in the Liverpool populations.
  6. To prepare a Species and Habitat Management Plan for P. nutans.

Recovery Criteria

  1. Continued survival of wild populations.
  2. An understanding of the population ecology, breeding biology and response to fire of P. nutans.
  3. Restoration of the habitat at sites where there has been degradation.
  4. Establishment of ex-situ storage of seed from threatened populations.
  5. A greater awareness of P. nutans within the community and support for its conservation.
  6. Implementation of biological and ecological knowledge through a Species and Habitat Management Plan.

Recovery Actions

  1. Development of adequate planning controls to conserve populations, including voluntary conservation agreements, additions to and creation of national parks and/or nature reserves for areas containing P. nutans.
  2. Survey potential habitat for new populations.
  3. Undertake research into the population ecology, breeding biology and the effects of fire on P. nutans.
  4. Prepare and implement bush regeneration programs.
  5. Establish ex-situ storage of seed.
  6. Development of a community awareness and support program for the ervation of P. nutans.
  7. Preparation of a Species and Habitat Management Plan.

Implementation Schedule

 

Other/NPWS

Other/NPWS

Other/NPWS

Other/NPWS

Other/NPWS

Action 1

4257

4382

4513

0

0

Action 2

7616

0

0

0

0

Action 3

15534

15420

15659

15632

16032

Action 4

0

12300

0

0

0

Action 5

1800

1600

850

0

950

Action 6

0

14586

7725

0

0

Action 7

0

0

0

0

5013

TOTAL

29207

48288

28747

15632

21995

Biodiversity Benefits

The conservation of P. nutans is important in maintaining the biodiversity of the remaining Cumberland Plain woodland in which it occurs. Several other nationally threatened and numerous regionally significant plant species occur in association with P. nutans.

Acknowledgments

The following people have made invaluable contributions to this project:

  • Tony Auld, NSW NPWS, for support and comments
  • Steve Cox, NSW NPWS, for initial data compilation
  • Sharon Nash for initial data compilation and comments
  • Terry Agar, Penrith City Council, for information
  • Peter Weston, Doug Benson, Theresa James from the Royal Botanic Gardens, Sydney, for information and comments
  • Tracey Armstrong, Glen Fensom and Graham Errington, Mt Annan Botanic Garden, for information
  • Ziggy Krauss, Australian National University, for information.
  • Margaret Johnston, Gatton College, for information on germination.
  • Finally, to the Australian Nature Conservation Agency, Endangered Species Unit for funding this project and supporting its preparation.

Disclaimer

The views expressed in this report are those of the authors and do not necessarily reflect those of the NSW National Parks and Wildlife Service or the Australian Nature Conservation Agency.

Publication Availability

The property and copyright of this Conservation Research Statement and Species Recovery Plan is vested with the Australian Nature Conservation Agency, GPO Box 636, Canberra, ACT 2601.