The Wood Wide Web

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Beneath the forest floor lies an intelligence older than language — the mycelium network. Fungi thread through every cubic centimeter of soil, connecting trees across hectares, ferrying nutrients, sending chemical warnings, redistributing carbon.

This forest is under threat. Logging pressure, invasive species, and climate disruption are fracturing the underground network. Without it, the trees weaken, the understory collapses, and biodiversity unravels.

Your Challenge

Sustain Biodiversity ≥ 70 for 8 consecutive turns
Keep Mycelium Network Density above 20 — below that, the forest enters a death spiral
Manage logging pressure, decomposition support, and habitat protection

The Feedback Loops

Mutualism (R1): Trees feed sugars → fungi → minerals back to trees → tree health → more sugar
Decomposition cycle (R2): Dead matter → fungal breakdown → soil nutrients → tree growth → dead matter
Biodiversity cascade (R3): Healthy mycelium → diverse understory → insects → birds → seed dispersal → new trees
Disturbance loop (B1): Logging/fire → fragmentation → weakened network → less recovery capacity

Default settings produce slow fragmentation — adjust inputs to reverse it. Watch the mycelium network first — it's the keystone.

System Diagram — Causal Loop Map

Key Indicators

🌿 Biodiversity Streak — Hold ≥70 for 8 turns 0 / 8

🍄 Mycelium Network

🌲 Tree Health

🦋 Biodiversity

⚗️ Soil Nutrients

💧 Moisture

🐦 Bird Population

System History — Variables Over Time

Underground Network Density

Wood Wide Web — Root Intersection Zone

Mycelium

Tree Health

Biodiversity

Soil Nutrients

Moisture

Dead Matter

Feedback Loops — Live Observations

Advance your first turn to observe the mycelium network and feedback loops in action.