Biodiversity Assessment Simulator

Field ecologists rarely count every organism in a habitat — instead they lay down a sampling quadrat, count what falls inside it, and use diversity indices to estimate the health of the wider community from that sample. This simulator scatters a mixed-species meadow across a plot, lets you resize the sampling quadrat and reshape the underlying species pool, and recomputes species richness, the Shannon diversity index and Pielou's evenness live from whatever the quadrat currently captures. Watch how a small quadrat under-samples a rich, even community, and how strong abundance dominance can make even a large quadrat report low diversity.