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    Ecological restoration in New Zealand

    Waterhouse, E. J.
    Abstract
    Ecological restoration has been recognised worldwide as one of the most important conservation initiatives for the future. Despite this, the science of restoration is relatively new, and in a practical sense it has yet to gain widespread acceptance. Overseas restoration work has concentrated on pollution and mine site rehabilitation, while in New Zealand a more species orientated approach to restoration has prevailed. Ecological restoration represents an attempt to restore structural and functional aspects of ecosystems and communities which have been lost through human disturbance. The practical application of restoration relies heavily on the natural process of succession in establishing plant communities followed by animal introduction. However, there are a number of practical and theoretical problems with the concept of ecological restoration. They stem from an unclear statement of restoration goals, usually because of inadequate knowledge about past ecosystems, and an assumption that the techniques used will restore at a rate which exceeds natural regeneration. The New Zealand experience in ecological restoration began in the 1960s with the restoration of Cuvier Island. Since that time a number of projects have been attempted with varying degrees of success. The trends in ecological restoration are identified. These include: emphasis on island restoration, the expanding role of nongovernment organisations, and increasing levels of planning which reflect a rise in the ambitiousness of restoration goals. Critical issues can be identified which need to be addressed if ecological restoration is to be considered a legitimate and viable land use in the future. National policy and guidelines should be developed by a central coordinating agency which take account of the wider social and economic environment. Emphasis is given to the importance of community participation, effective land evaluation which takes long term restoration values into account and an accessible information base. An approach to developing a national strategy to achieve these objectives is suggested. Ecological restoration represents a significant step forward in the way in which humans view the world and its resources. Morally and ecologically, restoration will be essential in shifting the balance from destruction to enlargement of the planet's 'natural systems'.... [Show full abstract]
    Keywords
    ecological restoration; conservation; native species; ecosystem recovery; community participation; ecological values; environmental awareness; environmental impact; New Zealand
    Fields of Research
    050206 Environmental Monitoring; 050207 Environmental Rehabilitation (excl. Bioremediation); 050102 Ecosystem Function
    Date
    1991
    Type
    Thesis
    Access Rights
    Digital thesis can be viewed by current staff and students of Lincoln University only. Print copy available for reading in Lincoln University Library.
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    • Theses and Dissertations with Restricted Access [2181]
    • Department of Environmental Management [1057]
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