Why do you think the collapse of ecosystem was unable to recover?

When ecosystems collapse, they rapidly lose their structure and function, with dramatic changes to their size or extent, or the species that comprise them. These losses tend to homogenize and simplify the ecosystem – fewer species, fewer habitats, and fewer connections between the two. This is why when an ecosystem failure is fatal, it's unable to recover

the duration of a photographic flash is related to an rc time constant, which is 0.100 μs for a certain camera.