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10 - Refining and extending the research programme: additional studies at Tumut (and nearby) that build on the Fragmentation Study

Published online by Cambridge University Press:  20 May 2010

David B. Lindenmayer
Affiliation:
Australian National University, Canberra
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Summary

The Tumut Fragmentation Study has spanned basic research on the demographics of vertebrate populations, testing of ecological theory, population modelling and genetics – all of which have implications for conservation biology as well as for forest and plantation management. However, as the study evolved, it became apparent that there existed some limitations of these initial studies. This is hardly surprising – perfect studies don't exist. Even famous large-scale experimental studies such as the Biological Dynamics of Forest Fragments Project in Brazil (Laurance et al., 1997; Gascon et al., 1999) have statistical and ecological limitations.

A key deficiency at Tumut was that the lack of animal and plant occupancy data of eucalypt patches prior to major landscape modification (i.e. plantation establishment) weakens the inferences that can be made about biotic responses to change (Margules, 1992). Such a limitation is common in the vast majority of studies of landscape change and habitat fragmentation worldwide (Lindenmayer and Fischer, 2006).

A second deficiency was the rapidity with which the stands of Radiata Pine surrounding the patches of native eucalypt forest were modified. The dynamic nature of the age and condition of pine stands significantly influenced the biota which inhabited the eucalypt patches (Tubelis et al., 2004). Hence, the results derived from work completed, for example, in 1996 or 2000 may not reflect responses at a subsequent time when pine stands surrounding a given eucalypt remnant are clear-felled.

Type
Chapter
Information
Large-Scale Landscape Experiments
Lessons from Tumut
, pp. 211 - 224
Publisher: Cambridge University Press
Print publication year: 2009

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