Yet large quantities of pesticides and herbicides can accumulate in their fat and shells Chen says that turtle shells are now among the best of ecological measures, with environmental scientists analyzing them to make records about heavy metal pollution.
由於烏龜耐汙力強，大量殺蟲劑與除草劑累積在其脂肪、龜甲上，陳添喜指出，今天烏龜已成最好的環境汙染指標，環境學界正積極調查龜甲含重金屬的情況。