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gougouqq

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¡°Panarchy¡± is the term we use to describe a concept
that explains the evolving nature of complex
adaptive systems. Panarchy is the hierarchical
structure in which systems of nature (for example,
forests, grasslands, lakes, rivers, and seas), and humans
(for example, structures of governance, settlements,
and cultures), as well as combined human¨C
nature systems (for example, agencies that
control natural resource use) and social-ecological systems (for instance,
co-evolved systems of management), are interlinked in never-ending
adaptive cycles of growth, accumulation, restructuring,
and renewal. These transformational cycles
take place in nested sets at scales ranging from a leaf
to the biosphere over periods from days to geologic
epochs, and from the scales of a family to a sociopolitical
region over periods from years to centuries.
If we can understand these cycles and their scales, it
seems possible to evaluate their contribution to sustainability
and to identify the points at which a
system is capable of accepting positive change and
the points where it is vulnerable. It then becomes
possible to use those leverage points to foster resilience
and sustainability within a system.
The idea of panarchy combines the concept of
space/time hierarchies with a concept of adaptive
cycles. I will deal with each in turn and then show
the consequence of combining them in a synthesis.

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fanliang1389

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