This episode focuses on the "scale of permanence," a concept from P.A. Yeomans that emphasizes considering the long-term impacts of design choices when planning a site for ecological production.
The Scale of Permanence
The scale of permanence highlights the elements of a site that are most difficult to change once established. The article outlines these elements and offers guidance on planning around them:
- Climate: While climate is generally considered unchanging, the article acknowledges the significant and unpredictable impacts of climate change. It advises choosing species with a wide temperature tolerance and considering projected regional climate changes.
- Land Shape: The existing topography should inform design decisions. Understanding why the land has its current shape, particularly considering water flow, is crucial before making any alterations.
- Water Supply: Water is a powerful force shaping the landscape. Analyzing water flow patterns and identifying potential water sources like keylines and swales are essential steps in site planning.
- Farm Roads: Road placement should minimize disruption to water flow and prioritize efficient access to high-traffic areas. Using less productive land for roads and integrating them into water management systems is recommended.
- Trees: Tree placement should consider the scale of permanence, including their mature size, sunlight requirements, and impact on water flow. The article emphasizes planting trees along contours, spacing them appropriately, and clustering them strategically for functions like windbreaks or shade-tolerant species.
- Buildings and Permanent Structures: Existing structures should be considered when planning, but the article focuses on permaculture zoning principles for new construction. Zone 0, the home, should prioritize harmony with natural cycles. Zone 1, the area around the house, would ideally house the annual vegetable garden. Zone 2, often for livestock, should balance accessibility and proximity to paddocks.
- Fencing: Permanent fencing should be robust and integrate elements like electric wires and fruiting vines. Internal paddock fencing should be adaptable based on factors like grazing cycles and animal needs.
- Soil: Although seemingly crucial, soil is considered less permanent because it can be built or destroyed over time. Good site design in the previous elements will contribute to healthy soil.
Permaculture Zoning and Scaling Up
The podcast questions the practicality of permaculture zoning for larger-scale projects, suggesting that common sense dictates accessibility considerations. However, it emphasizes the scalability of these design principles beyond single-family homesteads, envisioning larger systems with specialized roles.
Collective Autonomy and Resilience
The podcast concludes by advocating for demonstrating the possibilities of these systems to inspire collective action and challenge the limitations of capitalism. Creating resilient and bountiful ecological systems can foster community, autonomy, and a more sustainable future.
For sources, transcripts, and to read more about this subject, visit: www.agroecologies.org
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