In a creative sense, "flotsam" represents the stories we find when we stop to look.
Beyond law, flotsam acts as a "temporary niche" for biopollutant species. Invasive species can attach themselves to floating litter—such as plastics or natural debris—and travel across entire oceans to reach remote ecosystems. Flotsam in Literature and Art
Essayists often use the term to describe the "odds and ends" of human experience. Flotsam and Jetsam – MUsings: The Graduate Journal
Historically, flotsam remains the property of the original owner, whereas jetsam can often be claimed by whoever discovers it.