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Parliamentary Questions


Question On Notice No. 363 asked in the Legislative Council on 6 September 2017 by Hon Diane Evers

Question Directed to the: Minister for Environment
Parliament: 40 Session: 1
Tabled Paper No: 819- View tabled paper


Question

(1) What is the annual rainfall required to maintain karri forest as a well-functioning, resilient ecosystem?

(2) Will the Minister please provide the scientific basis for this figure?
(3) Will the Minister please provide a map of the south-west forest region on a scale of 1:500,000 showing:
(a) forest occurrence (karri forest, jarrah forest and woodland, wandoo forest and woodland) on lands vested in the Conservation and Parks Commission;
(b) forest blocks;
(c) isohyets for a period up to 2016; and
(d) isohyets as projected for 2030?
Answered on 1 November 2017

(1) – (2) The document Reference material for karri forest silviculture provides a summary of the scientific and observational information that underpins the karri silvicultural guidance documents, including the relationship between karri forest distribution and rainfall levels (See Tabled Paper #).

(3) Preparation of this map would require diverting significant resources within the Department of Biodiversity, Conservation and Attractions (DBCA).

I note on 26 September 2017, DBCA supplied your office with forest occurrence spatial datasets and provided information on accessing the forest blocks dataset from the Shared Location Information Platform (SLIP). Climate datasets prepared by the Bureau of Meteorology and CSIRO, together with reports on climate change projections, are published online by Climate Change Australia (Australian Government).