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Kaimanawa Wild Horses Working Plan 2004 - 2009 - Goals and objectives

Goals and objectives

This working plan reconfirms the goals and objectives of the Kaimanawa Wild Horses Plan, 1995. (Reference pages 53 - 54, Kaimanawa Wild Horses Plan, 1995).

1. Goals

This plan seeks:

  1. To ensure that the welfare of the horses is dealt with appropriately.
  2. To promote the sustainability of the natural features and ecosystems of the Moawhango Ecological District, with respect to Kaimanawa wild horse impacts on these.
  3. To manage the Kaimanawa wild horse herd at a sustainable level.

2. Kaimanawa Wild Horses Plan Management Objectives

The following objectives provide the purposes of management of Kaimanawa wild horses. They are statements of what management intends to achieve. The ecological objectives are listed here first as it is these that bring urgency to the plan. Otherwise, the objectives are not ranked in an order of importance.

2.1 Ecological objectives

  1. Ensure that nationally endangered and rare plants and a number of biogeographically significant plants are not adversely affected by Kaimanawa wild horses
  2. Prevent further degradation of the ecosystems of tussock grasslands, subalpine herbfields, wetlands and forest margins, by the Kaimanawa herd.
  3. Prevent the Kaimanawa wild horses from spreading into the neighbouring Tongariro National Park and the Kaimanawa Forest Park.

2.2 Kaimanawa wild horse objectives

  1. Retain a herd of (at least) a minimum effective population of Kaimanawa wild horses, in a generally free ranging existence. (Note that that the minimum effective population is considered to be 300)
  2. Ensure that the Kaimanawa wild horse population is managed at a level which allows a safety margin in the biological tolerance of the area.
  3. Ensure that the treatment of Kaimanawa wild horses during any management or manipulation justified by this plan is humane. (Note that the original objective has been refined to remove ambiguity and potential conflict with individual responsibility once horses have passed into private ownership. Refer: Animal Welfare Act 1999.)
  4. Reduce conflict between Kaimanawa wild horses and other land uses and ecological values.
  5. Improve public access to view the Kaimanawa wild horses.
  6. Ensure public safety from roaming horses.

A guiding principle in all control options is that the vital interest of individual horses is respected, including the avoidance of unnecessary pain and/or stress. Effective control programmes which utilise the most humane methods available should be pursued, refer Appendix 5. Kaimanawa Wild Horses Plan, 1995. (Objective 2.2.3 above refers.)

3. Kaimanawa Wild Horse Advisory Group

The Kaimanawa Wild Horses Plan, 1995 recommends that a Kaimanawa Wild Horse Trust be established to provide advice to the Department and to be able to take over management of any herd retained under the plan but not located on army land. As there is no herd except on Army land a trust was not established. In its place the Minister of Conservation agreed that an advisory group should be established. Terms of reference for the Kaimanawa Wild Horse Advisory Group (KWHAG) are reproduced in Appendix 1.

The current KWHAG membership consists of representatives appointed by:

  • Department of Conservation (DOC)
  • Kaimanawa Wild Horse Preservation Society (KWHPS)
  • Royal New Zealand Society for the Prevention of Cruelty to Animals (RNZSPCA)
  • Royal Forest and Bird Protection Society (F&B)
  • NZ Veterinary Association (NZVA)
  • Taranaki/Whanganui Conservation Board
  • Batley Family
  • Oruamatua Kaimanawa Trust
  • NZ Army

The KWHAG has reviewed the Kaimanawa Wild Horse Plan 1995 and developed this working plan to guide management for the next five years.

4. Kaimanawa Wild Horse Management Area

Kaimanawa horses managed under this plan will be confined to that area of the Waiouru Military Training Area (WMTA) located to the east of State Highway 1 and to the south of the Awapatu catchment. This area is described in the Kaimanawa Wild Horses Plan 1995 (page 26) as the Argo sector. Kaimanawa horses located outside of the Argo sector within the WMTA will be removed as opportunities permit.

5. Kaimanawa Wild Horse Population Levels Within the Management Area

Since 1997, the herd has been managed with the objective of limiting the herd in the Argo sector to about 500. Veterinary observers have noted a steady increase in the condition of the horses, particularly mares, under this management regime. The Kaimanawa Wild Horse Advisory Group is therefore confident that the needs of the herd are being met.

However, further monitoring is required to determine if a sustainable relationship between the horse herd and its environment has been/can be achieved and it is not yet known if the presence of the herd at around 500 will lead to the improvement or deterioration of the tussocklands.

It is proposed that the herd continue to be managed at 500 within the management area but that this population level be reappraised as "sustainability" monitoring trends become clear and the level adjusted if required. (Refer Section 8).

6. Strategies for Controlling the Population Growth Rate

A significant amount of research has been completed since 1995. However, no more effective control strategies than removal have yet been identified. Research (particularly in the USA) may result in contraceptive technologies that are applicable to the management of the Kaimanawa herd in situ.

Similarly, improved methods or technology may permit the currently available strategies to be modified and refined. It is therefore proposed that the Kaimanawa Wild Horse Advisory Group regularly appraise and assess the applicability of alternative methods for controlling population growth.

7. Determining a Sustainable Level of Horses to Retain in the Argo Sector

The key criteria against which the impact of the horses will be assessed are the ecological and wild horse objectives established by the Kaimanawa Wild Horses Plan, 1995 and duplicated in section 2 of this plan. For the purposes of defining the ecological and land-use benchmarks against which horse impacts will be appraised, the NZ Army's "Sustainable Land Management Strategy for the Waiouru Military Training Area" (SLMS) is the primary plan for the area. In particular, SLMS objectives with respect to the naturalness and ecology of the area will provide guidance for assessing the outcome of Kaimanawa wild horse objectives 2.1.2, 2.2.2 and 2.2.4. The thinking which guided the preparation of the SLMS is summarised in section 1.5 of that strategy. Relevant sections are reproduced in Appendix 2 of this plan.

NZ Army is establishing a monitoring programme to assess the effectiveness of its SLMS. This monitoring programme will provide more data against which the impact of horses (and other large animals) can be assessed. This monitoring programme plus monitoring undertaken by DOC since 1997 will provide a means by which the sustainability of the herd can be appraised in relation to its environments.

The Kaimanawa Wild Horse Advisory Group also considers that available feed resources for horses and the ability of the market to absorb removed horses should be considered when herd size sustainability issues are being assessed in future. (Refer 2.2.3.)

8. Desired Management Outcomes

The KWHAG reviewed the desired outcomes described in the Kaimanawa Wild Horses Plan, 1995 (Page 70) and reaffirmed that those outcomes remain valid with the exception of the outcome relating to the proposed Kaimanawa Wild Horse Trust. Consequently, the Kaimanawa Wild Horse Trust outcome has been amended to reflect the existence and role of the Kaimanawa Wild Horse Advisory Group.

Desired outcomes

  1. A sustainable Kaimanawa wild horse population/environment relationship exists.
  2. A minimum effective population (i.e 300 plus) of Kaimanawa wild horses is retained as a wild herd.
  3. A humane, effective and flexible population growth control programme is able to maintain both a healthy wild herd and a healthy habitat, wherever the herd is located.
  4. Opportunities for the public to appreciate the herd have been enhanced.
  5. Kaimanawa Wild Horse Advisory Group provides advice to the Minister of Conservation and the Department on the implementation of the management plan.
  6. The 'at risk' conservation values in the Moawhango Ecological District are no longer threatened by the impacts of the Kaimanawa wild horses.
  7. The Department of Conservation continues to monitor the conservation values in the district and advocates for the preservation of outstanding conservation values.
  8. The army and other land managers continue to control other plant and animal threats to the natural ecosystem.

Based on these desired outcomes a revised set of recommendations for management action is proposed covering the period 2004 - 2009.

9. Management Recommendations

The Kaimanawa Wild Horse Advisory Group has agreed that the following recommendations should provide the basis for management of the Kaimanawa Wild Horse herd on the Waiouru Military Training Area, by the Department of Conservation, for the period 2004 - 2009

  1. Facilitate the Kaimanawa Wild Horse Advisory Group whose core membership will consist of representatives of Army, Oruamatua-Kaimanawa 1U & 1V landowners, Batley family, DOC, KWHPS, RNZSPCA, NZVA, RF&BPS, Taranaki/Wanganui Conservation Board. The advisory group should meet at least twice per annum.
  2. Annual horse population censuses should be conducted. An independent observer nominated by the advisory group will be used every third year.
  3. Retain approximately 500 horses in the Argo Sector. Reappraise this number periodically as sustainability monitoring data becomes available and adjust if required.
  4. Manage the Awapatu catchment and all areas north of that catchment at zero horse density. (Zero density areas are those areas where the goal is to clear horses in order to protect environmental values, however it is acknowledged that some horses may, from time to time, temporarily move into these areas and that this will not necessarily require immediate intervention.)
  5. Regularly reduce population levels to the agreed number (refer 3 above) by non-selective removals from areas where population density increases have been greatest.
    a) Removal operations should target entire bands at random, in order to minimise selectivity and human influence on the population structure and characteristics of the herd.
  6. Regularly appraise and assess the applicability of alternative methods (including contraception) for controlling population growth.
    a) New or improved techniques or modifications of existing techniques may require recommendation 5 to be reviewed and adjusted.
  7. Ensure the principles that the (1995) working party developed for humaneness are adhered to during any management or manipulation justified by this plan.
    a) Refer to Appendix V (of the Kaimanawa Wild Horses Plan, 1995) for the criteria for the assessment of humane treatment developed by the (1995) working party.
  8. Maintain and, where practicable, extend performance monitoring programmes in the current wild horse range and in those areas from which horses have been removed. Monitoring should be designed to facilitate assessment of sustainability of impacts.
  9. Where practicable, co-ordinate performance monitoring programmes with those established by Army.
  10. Publicly review the Kaimanawa Wild Horses Plan if a sustainable relationship is unable to be achieved in the Argo sector and the choice between the retention of a horse population and the improvement of the natural character of the tussocklands is made in favour of the tussocklands.
  11. Negotiate with the owners of adjoining private lands, which have wild horses, to ensure the management of these horses is compatible with management of horses on adjoining army land.

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Publications

These reports form the scientific basis for the DOC management choices:

Population dynamics 1994-98, and management, of Kaimanawa wild horses (2001) (PDF, 928K)

Estimating Kaimanawa feral horse population size and growth (2001) (PDF, 172K).

You can get them from science.publications@doc.govt.nz

Learn more about Kaimanawa Wild Horses in our conservation section

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