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In this paper, we treat the Chennai bio-region as a vast area comprising the watershed of a four-river system and its tens of thousands of constructed lakes, or tanks. Using a unique land-use model where we assume that the dry bed and part of the micro-shed, or “soft-edge”, of the eris or tanks are commons that could potentially be developed into natural food forests at scales of anywhere from a fraction of a hectare to tens of hectares.
Overall, this amounts to about thousand square kilometers across the Chennai bio-region.Our scenarios suggest that it is conceivable to use a mixed governance model using state government support and farmer producer corporations to implement a widespread natural farming scenario across the bio-region.
Even in “shock” scenarios where extreme climate events or political upheaval disrupt the evolution of these systems, the end-result over one to three decades is an adaptation strategy with multiple benefits for food sovereignty, climate and other ecological impacts, local livelihoods and social equality.
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Ecosystem Condition Index