Can you think of a scientific explanation,besides the analogy used by Paul Ehrlich,for the direct relationship between diversity and stability of an ecosystem?

(N/A) David Tilman's long-term ecosystem experiments using outdoor plots provided empirical evidence for the relationship between diversity and stability.
$1$. Tilman found that plots with more species showed less year-to-year variation in total biomass,indicating greater stability.
$2$. He also demonstrated that increased species diversity contributed to higher overall ecosystem productivity.
$3$. While the exact mechanisms are complex,it is understood that a higher number of species provides functional redundancy,ensuring that if one species declines,others can fulfill its ecological role,thereby maintaining ecosystem health and survival.