Abubakar Umar School of Geography, Earth and Environmental SciencesPhD student Contact details AddressSchool of Geography, Earth and Environmental SciencesUniversity of Birmingham Edgbaston Birmingham B15 2TT UK Abubakar Umar is a PhD candidate in Environmental Health Sciences, supervised by Dr Mohammed Abdallah, on a project entitled: "Exploring the Impacts of Exposure of Daphnia Sp. to Micropl astics and Associated Chemicals in the Aquatic Environment." Doctoral research SupervisorDr Mohamed A. Abdallah