sˈɪns nˈaɪntiːnhˈʌndɹɪd fˈɪfti, ðə sˌɪtʃuːˈeɪʃən hˈæzbiːn kˈɑːmplᵻkˌeɪɾᵻd baɪ ðɪ ˌɜːbɐnᵻzˈeɪʃən ʌvðə ɹˈɪvɚ bˈæŋks, baɪ daɪvˈɜːsᵻfˌaɪd ˈæɡɹɪkˌʌltʃɚ, ænd baɪ ɪndˌʌstɹɪələzˈeɪʃən ɐlˈɔŋ ðə sˈʌðɚn pˈoːɹʃən ʌvðə ɹˈɪvɚ.
Since 1950, the situation has been complicated by the urbanization of the river banks, by diversified agriculture, and by industrialisation along the southern portion of the river.