Scholarship 24/19494-8 - Atlântico Sul - BV FAPESP
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Comparative chemical analysis of microplastics in commercial shrimp Xiphopenaeus kroyeri from impacted and protected coastal environments

Grant number: 24/19494-8
Support Opportunities:Scholarships abroad - Research Internship - Post-doctor
Start date until: January 06, 2025
End date until: April 05, 2025
Field of knowledge:Biological Sciences - Zoology - Morphology of Recent Groups
Principal Investigator:Rogério Caetano da Costa
Grantee:Daphine Ramiro Herrera
Supervisor: Bhavani Narayanaswamy
Host Institution: Faculdade de Ciências (FC). Universidade Estadual Paulista (UNESP). Campus de Bauru. Bauru , SP, Brazil
Institution abroad: The Scottish Association For Marine Science, Scotland  
Associated to the scholarship:22/00963-2 - Microplastic analysis in natural populations of Seabob Shrimp Xiphopenaeus kroyeri: An evaluation of exposure levels in two regions of the Brazilian coast, BP.PD

Abstract

In recent decades, the ocean has been increasingly impacted by human-induced global stressors, including climate change, population growth, and plastic pollution. Among these, plastic pollution-especially microplastics-poses a significant and urgent threat to marine ecosystems' health and resilience. Microplastics, which vary widely in polymer types, shapes, and sizes, are unevenly distributed across marine environments, resulting in varying exposure levels and adverse effects on marine species. Given the ecological importance of decapod crustaceans like shrimp, which play a vital role in commercial fisheries and aquaculture globally, understanding their exposure to microplastics is crucial. This study will be the first to conduct a chemical analysis of microplastics in seabob shrimp Xiphopenaeus kroyeri, a key species in South American aquatic food webs. By employing advanced methods such as Fourier Transform Infrared Spectroscopy (FTIR), the research will precisely identify the types and sources of microplastics. The FTIR-based chemical analysis is critical to assessing the potential toxicity and environmental origin of microplastics, as different polymers may contain and release various contaminants. Consequently, this research will generate valuable data on microplastic contamination levels in Brazil, contributing not only to national environmental policies but also to global efforts aimed at mitigating marine plastic pollution. Additionally, this internship offers a unique opportunity to establish an international research collaboration with Dr. Bhavani Narayanaswamy, an expert in marine pollution. This partnership will significantly enhance the scientific rigor and impact of the candidate's postdoctoral project, introducing innovative methodologies and strengthening global research networks. The outcomes of this study will guide effective mitigation strategies, ensuring its relevance to environmental protection and the health of marine-dependent communities.

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