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❓ A WA parliamentary question seeks data on karri regrowth thinning in 2015, specifically volumes of extracted logs by type and grade. The answer provides some data but notes limitations in separate record-keeping for mixed thinning/regeneration coupes.

AnsweredQoN 4464Legislative Council

Asked

11 October 2016

Member

Hon Lynn MacLaren

Portfolio

Forestry

QuestionView source ↗

(1) Regarding the thinning of regrowth karri, for the year 2015, how many cubic metres of extracted logs were: (a) karri; (b) other (please specify); and (c) total logs? (2) how much of the volume was: (a) first and second grade karri sawlogs; (b) other grade karri sawlogs (please specify); (c) karri chips logs; (d) first and second grade marri sawlogs; (e) other grade marri sawlogs (please specify); and (f) marri chip logs? (3) what was the volume estimated to be available of: (a) first and second grade karri sawlogs; (b) other grade karri sawlogs; and (c) karri chip logs?

AnswerView source ↗

Answered

16 November 2016

Responded by

Parliamentary Secretary representing the Minister for Forestry

Response time

36 days

(1) In some coupes, particularly in areas of karri forest regenerated prior to 1967, there is a mixture of thinning and regeneration objectives, and the quantities derived from the thinned forest are not separately recorded. The data provided is only for coupes where the entire coupe was thinned.
(a)            66 761 cubic metres
(b)            Nil
(c)            66 761 cubic metres
(2)(a)       255 cubic metres
(b)            4502 cubic metres of third grade sawlogs and laminated veneer lumber
(c)            62 004 cubic metres
(d-f)         Nil
(3)(a-b)    Nil
(c)            56 248 cubic metres

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