A reduction in the number of tadpoles may lead to an overgrowth of algae, resulting in depletion of oxygen in the water when the algae later die and decompose.
ɐ ɹᵻdˈʌkʃən ɪnðə nˈʌmbɚɹ ʌv tˈædpoʊlz mˈeɪ lˈiːd tʊ ɐn ˌoʊvɚɡɹˈoʊθ ʌv ˈælɡiː, ɹɪzˈʌltɪŋ ɪn dᵻplˈiːʃən ʌv ˈɑːksɪdʒən ɪnðə wˈɔːɾɚ wɛn ðɪ ˈælɡiː lˈeɪɾɚ dˈaɪ ænd dˌiːkəmpˈoʊz.