Tidal Influence on Nutrients Status and Phytoplankton Population of Okpoka Creek, Upper Bonny Estuary, Nigeria

<table>Overall mean values of Xanthophyceae species in Okpoka Creek.</table>

Journal of Marine Sciences

Figure 14: Tidal Influence on Nutrients Status and Phytoplankton Population of Okpoka Creek, Upper Bonny Estuary, Nigeria 