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A design system that creates sustainable human settlements by working with nature rather than against it.
An imaginary line connecting points of equal elevation, used to slow, spread and sink water in the landscape.
A shallow ditch built along the contour to capture rainwater and allow it to soak into the soil.
A group of plants that support each other through different functions such as nutrient cycling, pest control and ground cover.
Growing compatible plants together so they benefit each other and improve overall productivity.
A plant that works with soil bacteria to convert atmospheric nitrogen into a form usable by other plants.
Organic plant material used to build soil fertility through mulching, composting and decomposition.
A traditional open-pollinated seed variety that can be saved and replanted generation after generation.
A seed variety that reproduces true to type when naturally pollinated and properly isolated.
The practice of growing a single crop over a large area, often reducing biodiversity and resilience.
A system where multiple plant species are grown together to mimic natural ecosystems and increase resilience.
The process of restoring the health, fertility and biodiversity of ecosystems so they become more productive over time.
A permaculture design tool that places elements according to how often they need attention, with frequently visited areas closest to the home.
A diverse, multi-layered planting system that mimics a natural forest while producing food, medicine, fuel and other useful products.
The variety of plants, animals, insects and microorganisms that make ecosystems resilient and healthy.
Decomposed plant and animal material in the soil that improves fertility, water retention and soil life.
A protective layer of organic material placed on the soil to reduce evaporation, suppress weeds and build fertility.
A healthy soil rich in organic matter that can absorb, store and slowly release water.
The area of land where all rainfall drains towards a common water body such as a stream, river or lake.
The practice of capturing and storing rainwater or allowing it to infiltrate into the soil.
