{"identifier":"nobleid:/w1/20260526/108C8398","arkIdentifier":"ark:/48914/w1/20260526/108C8398","version":1,"workTitle":"Stepwise enrichment of 15N along food chains: Further evidence and the relation between δ15N and animal age","workType":"Journal Article","authors":"Masao Minagawa, Eitaro Wada","description":null,"workUrl":null,"createdAt":"2026-05-26T03:06:15.730142Z","canonicalUrl":"https://nobleid.org/ark:/48914/w1/20260526/108C8398.v1"}