Publisher: Springer Nature
Title: Assessment of two persistent bioaccumulative toxicants in the UNESCO protected river of Osun-Osogbo, Nigeria
Author: Emmanuel O. Akindele; Godwin O. Olutona; Oyeshina G. Oyeku; Akinkunle V. Adeniyi
Date of Publication: July 25, 2017
Type: Research Open Access article
Volume: Not specified
Citation style language: Not specified
Pollution Type:

• Heavy metals (copper, zinc)

• Persistent bioaccumulative toxicants (PBTs)

• 
  Impact Dimension:

• Ecotoxicological risk assessment

• Freshwater biodiversity

• Human health implications
  
  

• Actor Type:

• Researchers

• National Commission for Museums and Natural Monument
  
  

• Response Type:

• Biomonitoring study

• Baseline data provision

• UNESCO conservation support
  
  

• Evidence Type:

• Atomic absorption spectrophotometry

• Sediment/biota analysis

• Bioaccumulation factor calculations

• Statistical validation
  
  

• Policy Mention:

• UNESCO World Heritage Site status

• Canadian Environmental Quality Guidelines

• USEPA regulatory limits
  
  

• Key Finding:

• No toxicological risk from copper/zinc in Osun River

• Zinc concentrations significantly higher than copper

• Lanistes varicus showed higher bioaccumulation than Melanoides tuberculata

• UNESCO protection reduces pollution risks
  
  

• Health Risk Projection:

• No threat to river biota or human health

• Metals within safe ecological thresholds
  URL: Not provided
  DOI: 10.1186/s13717-017-0097-1
  ISBN, ISSN, PMID: Not provided