Hon Alison Xamon asks about the Wungong Thinning Trial, seeking maps of thinned areas, areas to be thinned, and cockatoo habitat. The Minister provides maps and details on forest management for black cockatoos and tree density after thinning.

AnsweredQoN 5380Legislative Council
Asked
27 March 2012
Portfolio
Water

QuestionView source ↗

I refer to the answer to the revised Wungong Thinning Trial, and I ask -
(1) Will the Minister please table maps that show -
(a) the areas that have been thinned;
(b) the areas that are still to be thinned; and
(c) identified cockatoo habitat trees?
(2) What will be the average amount of tree per hectare left after the revised thinning treatment?

AnswerView source ↗

Answered
15 May 2012
Responded by
Minister for Mental Health representing the Minister for Water
Response time
49 days
(1) [see tabled paper no]
(a)  Areas that have been thinned are marked in pink.
(b)  Areas that are still to be thinned are marked in orange.
(c)  Management of forests for black cockatoos is addressed through the implementation of the
Forest Management Plan 2004-2013
(FMP) through a range of strategies applied at the whole of forest, landscape and operational levels, including the network of formal conservation reserves and informal reserves, fauna habitat zones, and by retaining habitat elements, including habitat trees with hollows, or the potential to develop hollows in areas subject to timber harvesting.
(2) The number of trees which remain after thinning will vary considerably depending on the tree size, species distribution and structure of the regrowth forest. After thinning, the numbers of tree stems (defined as > 10 cm at breast height) could range from 35 per hectare (if the trees are mostly large) to as many as 100 if the average tree size is smaller. Thinning will be undertaken in accordance with silvicultural guidelines which will be developed with public consultation approved by the Department of Environment and Conservation.
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