ˈæftɚ mˈoːɹ ðɐn sˈɛvənti jˈɪɹz ʌv bˈeɪsɪk ænd ɐplˈaɪd ɹᵻsˈɜːtʃ ɪn klˌoːɹoʊfˈɪl flʊɹɹˈɛsəns, ɪɾ ɪz nˈaʊ ɪstˈæblɪʃt ðæt flʊɹɹˈɛsəns ɪz ɐ sˈɛnsᵻtˌɪv ˈɪndᵻkˌeɪɾɚɹ ʌv fˌoʊɾoʊsˈɪnθəsˌɪs ɪn bˈoʊθ hˈɛlθi ænd fˌɪzɪəlˈɑːdʒɪkli pɚtˈɜːbd vˌɛdʒɪtˈeɪʃən ðæt kæn biː jˈuːzd tə mˈɑːnɪɾɚ kɹˈɑːpləndz ænd fˈɔːɹɪsts.
After more than 70 years of basic and applied research in chlorophyll fluorescence, it is now established that fluorescence is a sensitive indicator of photosynthesis in both healthy and physiologically perturbed vegetation that can be used to monitor croplands and forests.