Bushfire Cooperative Research Centre
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All Content © Bushfire CRC 2007

Phil Zylstra, PhD, UNSW

Plant species contribution to fire intensity – towards a total fuels model

The 5 year project, due to be completed at the end of 2008 is being conducted by the NSW National Parks and Wildlife Service in cooperation with the Bushfire CRC and the Australian Defence Force Academy. The study considers flammability at 4 levels:

  1. Particle flammability - the factors that control the ignitability, combustibility and sustainability of flame in leaves from different species, and how this is affected by soil moisture and weather conditions.

  2. Plant flammability - the conditions under which flame will propagate through a plant of a given species, and the flame produced by the burning plant.

  3. Forest flammability – a 3-dimensional model that works by defining the physical means by which fire can spread from one plant to another and produce horizontal fuel connectivity or complete a vertical fuel ladder.

  4. Landscape flammability – a risk management classification to quantify how many days of the year the bush will burn, how often this fire will be intense enough to pose a threat to assets, soils or biota, and how this value will change in the years following a fuel treatment.

Study methods include experimental fires and laboratory work, knowledge gathering from local graziers and the Bemeringal people.


Project Link: B 1.2 Fire Regimes and Sustainable Landscape Risk Management

How a forest burns

Phil Zylstra

Phil Zylstra_3935

POSTERS

Phill Zylstra
Perceptions and evidence of pre-european fire in the Australian alps. [pdf 63.5 kb]


Phill Zylstra
Live fuels and forest flammability [pdf 1.2 Mb]


What difference do plants make to fire behavior?
Research Poster, Bushfire CRC / AFAC 2007 Conference, Hobart September 2007 [pdf 387.1 kb]


Flame propagation in shrubs and trees from the Australian Alps.
Research poster, Bushfire CRC Annual Conference [pdf 111.4 kb]


Other publications

Gill , A. M. and Zylstra, P. (2005). Flammability of Australian forests. Australian forestry , 68 (2), 88-94

Zylstra, P. (2006) Fire History of the Australian Alps . AALC: Canberra. This publication is available online (link).

Zylstra, P. (2006) Physical properties determining flammability in sclerophyllous leaves and flame propagation within shrubs and trees in the Australian Alps. V International Conference on Forest Fire Research : Figuira da Foz

Contacts

Philip Zylstra
Fire Technical Officer/PhD Student
NSW Parks and Wildlife Service
Tel: (02) 6450 5595