The Community Level · Networks Across Scales

Where this module sits

One level, three worlds

This is module six of eight, each taking a single level of James Grier Miller’s nested scale and reading it across three domains at once — human, biological, technological. The series index lays out all eight levels and the thirty-network grid they come from. Here we stop at the level Miller calls the community.

The community level has a signature the cell and the organism do not: there is no head office. Governance happens through many centres of decision that take each other into account — what Elinor Ostrom called polycentricity, a word she borrowed from biology precisely because the pattern recurs there too.¹

The anchoring case

The community triad

Read these three side by side. They are not metaphors for one another; they are three independent instances of the same level of organisation — here, many centres, no single head office.

Human · the commons

An irrigation system or community forest, governed by its own users. Ostrom found such commons repeatedly devise self-enforcing rules — boundaries, graduated sanctions, nested layers — that avoid the tragedy of the commons.

The commons: the dilemma Elinor Ostrom’s field studies refuted — communities can self-govern shared resources without the state or market. Nicholas Amendolare, TED-Ed.

Biological · the mycorrhizal web

The common mycelial network links many plants and fungi underground, moving carbon, nutrients and signals. Transfer is regulated by source–sink gradients and reciprocity — a living market with no broker.

The mycorrhizal web: how trees and fungi trade carbon and nutrients underground — with no broker. Suzanne Simard, TED-Ed.

Technological · the microgrid

A smart-grid segment coordinates local solar, batteries and demand-response within a boundary that can island from or rejoin the wider grid — community-scale energy governance with a local decider.

Solar microgrids: a community-scale, islandable energy network. Schatz Energy Research Center, Cal Poly Humboldt.

Each is fully worked in the companion report, Network Governance Across Scales. Here the triad does one job: it makes the level visible in three materials at once — and one short clip per domain lets you see each living network for yourself.

The concepts, one entailing the next

What makes a community-level network

1. A shared, subtractable resource

Each network turns on a resource that one user’s use diminishes for others: irrigation water, the carbon and nitrogen traded through hyphae, the finite capacity of a local feeder line. This subtractability is what creates the governance problem — and it is why ‘community’ is the level where allocation rules become explicit.

2. Polycentric governance — many centres, one system

No single node decides. The commons has its assemblies and monitors; the mycelial network has fungi modulating transfer; the microgrid has distributed energy-management systems negotiating with the host utility. Each centre is formally independent yet takes the others into account.²

3. Local feedback and graduated response

Governance here is enforced by feedback close to the ground. Ostrom’s design principles include monitoring and graduated sanctions; the mycelial network up- or down-regulates transfer with source–sink ratios; the microgrid sheds or stores load as local signals drift. The control loop is short, and so responsive.³

4. Resilience bought with redundancy

Community-level networks trade some efficiency for robustness. A polycentric commons has overlapping authority and nested layers; a mycelial web has many redundant pathways; a microgrid can island and run alone when the main grid fails. This is the efficiency–resilience trade-off seen from the resilient end.

The entailment mesh

How the ideas hold together

In the Paskian manner, these are not a list but a mesh: reach any one and you can rebuild the rest. A subtractable resource creates the need to allocate; polycentric governance is how a community allocates without a centre; local feedback with graduated response is how that governance bites; and redundancy across the many centres is what buys resilience.

Follow any arrow and you can teach back the next idea. That is the test of understanding used throughout this series.

Where this connects

Threads to other series

Some ideas at this level are developed at length elsewhere in the CoExplorer modules; following the threads is part of the design.

Regeneration series · the living web below groundThe mycorrhizal network here is the same web the Regeneration series follows into living tissue — where the kelp-and-otter trophic cascade and the mangrove’s substrate-making show the community holding itself together as a regulated medium, not just a set of parts. Food, in that framing, is water made edible; the community level is where that exchange is governed.

Cybernetics series · control without a centrePolycentric governance is distributed control — the same principle the Cybernetics series draws from Beer’s recursion and the starling murmuration: order maintained by many local loops, no commander. The commons and the microgrid are that idea in human and engineered form.

Teachback challenge

You understand this module when you can rebuild it for someone else. Pick the path that fits how you think; either way, show one idea living in all three members of the triad.

Serialist path · one network in full

Take the irrigation commons. Name its subtractable resource, its centres of decision, the feedback that enforces the rules, and the redundancy that makes it resilient. Then say what makes it ‘community-level’ rather than organisation-level.

Holist path · one idea across the triad

Take polycentricity. Trace it through the commons, the mycelial web, and the microgrid, showing it is the same many-centres-one-system pattern each time. Then say where it breaks: what can a microgrid’s controller do that a fungal network cannot?

In your place

The community networks you draw on

You live inside community-level networks whether or not you can name them. The water reaching your tap is allocated by a utility that is, somewhere upstream, a commons with rules and monitors. The soil growing your food is held together by a fungal web trading nutrients with no broker. If your neighbourhood has rooftop solar feeding a local grid, you are a node in a microgrid’s give-and-take.

Pick one community-level network you depend on and find its centres of decision — not a single boss, but the several that take each other into account. Start with your water: who allocates it, who monitors it, what happens when someone takes too much? That governance turns a shared resource into the food on your plate.

For the full framework, see networkliteracy.org and its Network Literacy: Essential Concepts and Core Ideas. To follow the regulatory thread from networks into living tissue and the ground beneath, see groundregulation.com.

Notes

Elinor Ostrom, ‘Beyond Markets and States: Polycentric Governance of Complex Economic Systems,’ Nobel Prize Lecture (2009); the term was developed earlier by Vincent Ostrom, Charles Tiebout and Robert Warren (1961). ↩
Elinor Ostrom, Governing the Commons (Cambridge University Press, 1990), esp. the eight design principles and nested enterprises; Keith Carlisle and Rebecca L. Gruby, ‘Polycentric Systems of Governance,’ Policy Studies Journal 47, no. 4 (2019). ↩
On regulated source–sink and biological-market transfer, Aline F. Figueiredo, Jens Boy and Georg Guggenberger, ‘Common Mycorrhizae Network,’ Frontiers in Fungal Biology 2 (2021): 735299. The ‘wood-wide-web’ framing of plant intention is contested and should be read with care. ↩