 The  Inner Niger Delta, PeaceAthabasca Delta, and SacramentoSan Joaquin River Delta are notable examples.
<fluency>  The  Inner Niger Delta, PeaceAthabasca Delta, and SacramentoSan Joaquin River Delta are notable examples.
 The Inner Niger Delta, PeaceAthabasca Delta, , the SacramentoSan Joaquin River Delta are notable examples.