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Persistence of mature-forest biodiversity elements in a production-forest landscape managed under a Regional Forest Agreement


Wardlow, T and Grove, S and Balmer, J and Hingston, AB and Forster, L and Schmucki, C and Read, S, Persistence of mature-forest biodiversity elements in a production-forest landscape managed under a Regional Forest Agreement, Forest & Wood Products Australia, Melbourne, VIC., October 2012 (2012) [Government or Industry Research]

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The study explored a key objective of the biodiversity conservation strategy delivered through Regional Forest Agreements (RFA), which we paraphrase as:

forest-dependent species should be able to persist throughout their range, equally in landscapes dominated by production-forests as in landscapes dominated by reserves.

We focused on the mature-forest element of biodiversity, because mature forest is more likely to be in short supply in production-forest landscapes than is younger forest. Our assumption is not that production forest must support mature-forest biodiversity in all places at all times, but that any local losses arising through forest harvesting should be temporary, with all areas of native forest at least retaining the potential to regain over time those lost mature-forest species. In this respect, species dynamics after forest harvesting and regeneration can resemble species dynamics after wildfire and forest regrowth.

We developed two hypotheses to test the extent to which the RFA is achieving this ‘persistence’ objective. They were:

(i)   the biodiversity in mature eucalypt forest would be independent of the intensity of disturbance in the       surrounding landscape;
(ii)  that the recolonisation of silvicultural regeneration by mature-forest species would be independent of the       intensity of disturbance in the surrounding landscape.
We then used the findings from testing these hypotheses to suggest some simple metrics and other planning tools that could guide future management and planning in relation to the spatial and temporal arrangement of mature forest in production-forest landscapes.

Item Details

Item Type:Government or Industry Research
Research Division:Agricultural, Veterinary and Food Sciences
Research Group:Forestry sciences
Research Field:Forestry management and environment
Objective Division:Plant Production and Plant Primary Products
Objective Group:Forestry
Objective Field:Native forests
UTAS Author:Balmer, J (Ms Jayne Balmer)
UTAS Author:Hingston, AB (Mr Andrew Hingston)
UTAS Author:Forster, L (Ms Lynne Forster)
ID Code:81152
Year Published:2012
Deposited By:Geography and Environmental Studies
Deposited On:2012-11-23
Last Modified:2018-03-28
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