biome · the global food web — land + lake, one closed box

The orchard and the lake are each a closed web. This puts them in one interior and asks the ship-scale question: does the whole thing close, and how much crew does it carry? The two webs are trophically disjoint (no land animal eats a lake plankter) but abiotically fused — they breathe one atmosphere, drain to one detritus pool, draw one nitrogen pool, and feed one crew from one larder. There is no barrier here but space, and this box model has none. Drawn below: two trophic islands, bridged only through the shared pools down the spine.  → force-graph view · does coupling them help? · build your own · land web · lake · stability lab

Knobs

The global food web — node size ∝ standing biomass, edges = flux

land species lake species shared pool   eats pollinates / harvest fixes CO₂ N uptake waste → detritus