Watershed
A drainage basin — all the land from which water flows to a common outlet. The fundamental hydrological unit. Watersheds nest within watersheds, all the way from a small spring's creek to the great river-basins of continents.
A Watershed is a unit of place defined by water. Every drop of rain that falls within a watershed eventually flows to the same outlet — a creek, a river, a lake, a sea. The land knows its watershed; the water itself draws the lines.
Watersheds are strictly hydrological — they follow ridgelines and divides, not human boundaries. They nest fractally at every scale: a small creek watershed sits inside a tributary watershed sits inside a river watershed sits inside a major river basin. Tens of thousands of named watersheds at meaningful scale exist across the Earth — and many more at finer resolution.
In final analysis, Earth itself is a single Watershed. All rivers, all rains, all aquifers, all melt, all evaporation — every drop of water on this planet flows within one closed planetary hydrological cycle. The ocean is the common outlet. Earth-as-Watershed is the integrated whole; every smaller watershed is a nested sub-watershed of that One.
In LIØNSBERG
The Watershed is the foundational place-unit. As the bioregional teaching goes: "Know your watershed." It is the smallest fully-integral hydrological reality of where you live.
- Each Sovereign belongs to a Watershed in the same way they belong to a body — by the simple fact of where they are.
- Each Circle sits in a Watershed.
- Each Community is shaped by its primary Watershed.
- Each Bioregion is composed of nested Watersheds — often the major Watershed of a region is what gives the Bioregion its character (the Columbia, the Klamath, the Mississippi, the Volga, the Ganges).
To steward a Watershed is to know its springs, its streams, its tributaries, its main stem, its mouth. To know what flows into it, what depends on it, what damages it, what restores it. Watershed stewardship is one of the most direct forms of place-care any Circle can practice.
Distinguished From
- Bioregions — integrative cultural-ecological territories. A Bioregion typically contains many watersheds; a single very large watershed (the Mississippi basin) may span multiple Bioregions.
- Ecoregions — ecological classifications. Watersheds and Ecoregions are different lenses on the same land — water-drainage versus biological community. They often align (a watershed in a temperate rainforest ecoregion shares the rainforest character) but the units are not the same.
- Aquifers — underground water units. An aquifer may underlie multiple watersheds, or a watershed may sit over multiple aquifers. The surface watershed and the subsurface aquifer must both be known to steward the water of a place.
The Watershed Principle
Where political lines fail, watersheds do not. The land remembers its drainage even when humans forget. Whatever the system of human governance, the water still knows. In LIØNSBERG, the Watershed is the place-anchor that anchors all the others — the irreducible geographic fact of where Water lives.
See Also
- Bioregion — the cultural-ecological integration
- Ecoregion — the strict ecological classification
- Community — the human scale shaped by Watershed
- Living Systems Member — the Constituency that holds standing for the Watershed and all her relatives in the federated ecosystem
- Holofractal Omnifederation — the Pattern that nests all scales