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6 - Micro-interactions and macro-constraints

Published online by Cambridge University Press:  21 March 2011

Graham Harris
Affiliation:
University of Tasmania
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Summary

How large-scale system properties arise from small- scale interactions and patch dynamics. The implications for sustainability.

If we think of landscapes and waterscapes as patterns of shifting mosaics and interactions across scales – which arise from HOT designs and from Self Generated Complexity (SGC) – what does this new world view do to our attempts to manage these systems? For a more sustainable global future and for land- and waterscape restoration to be successful there is an urgent need to better understand the complex linkages and pathways between biodiversity, land use, soil properties, hydrology and water quality because these are the dominant forces which shape our ability to manage landscapes and waterscapes sustainably. Clearly, the dominant world view has not been a raging success because evidence of landscape and waterscape degradation abounds. So something is wrong with our dominant paradigm. Progress can be made if we look at landscape and waterscape function from the perspective of small-scale pattern and process and the emergence – through SGC – of some larger, macroscopic properties. I shall argue here that what was partly wrong with the previous paradigm was the neglect of those inconveniently small scales of pattern and process (inconvenient, that is, for a two-metre primate that lives for decades) and the neglect of global and regional constraints and emergent properties. Having understood some of these processes there is a need to implement better management and restoration frameworks.

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Publisher: Cambridge University Press
Print publication year: 2007

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